How to Detect Mold Behind Your Drywall? [Hidden Signs]
Mold may be a part of nature, but it’s one natural thing that you never want to see in your home. Even the most minor examples of mold can be visually unappealing and potentially cause health issues. Children and the elderly are especially vulnerable. Also it can be very dangerous for people who are allergic.
In this article you will learn about:
- What causes mold in the home?
- How do you know if you have mold?
- How do you prevent mold?
- How do you treat mold and keep every room in the house clean and safe?
Never Leave Water Damage Unchecked!
Many homeowners neglect to treat existing water damage because the issue looks relatively small or insignificant. However, even the smallest leak can lead to some big problems.
Did you know that mold usually starts to grow within 24 or 48 hours when water is present?
It is crucial to deal with water damage early to ensure that the leak doesn’t spread. Water damage that is not treated right away can end up causing severe structural damage. This damage may require extensive repairs.
Also, water is one of the most common causes of mold in the home. Water brings moisture that creates a perfect environment for mold to grow. Some types of mold, particularly black mold, can become health hazards if they are left unchecked.
Many people tend to have allergic reactions to even non-toxic mold. These tend to manifest with the following symptoms:
- Runny noses
- Skin rashes
- Itchy, red, and/or watery eyes
- Excessive sneezing
- Cough and postnasal drip
Dealing with water damage early can prevent mold growth, which can in turn prevent these health problems.
Common Causes of Mold
Mold flourishes in damp conditions, so most causes of mold growth involve unwanted water getting into the house. Some of the most common situations include:
- Leaky pipes or air-conditioning ducts
- Wet clothes
- Backed up drains
- Heavy rain or flooding
- Excess condensation on cold metallic, glass, or concrete surfaces.
Water can also pool up around sinks, bathtubs, dishwashers, or washing machines, so be wary and clean any water up right away. Some problems to look out for outdoors include a yard that slopes toward the foundation of the house, leaky shingles on the roof, and improper caulking on windows.
Of course, the best way to fix mold growth is to avoid the problem in the first place!
The good news is there are several easy ways to prevent mold in the home.
Keep Humidity Low
Keeping humidity levels low is a great way to reduce the risk of mold — measure and monitor conditions by using a humidity meter. The ideal humidity level is under 50%. This can be achieved by using a dehumidifier or turning up the air conditioning. Don’t forget to look out for rooms in the house that might be more susceptible to high humidity levels — basements, for example, should be checked consistently for increases in moisture.
Keep Areas Ventilated
Another great preventative tip is making sure that your home has excellent ventilation. This is especially important in bathrooms, where moisture and condensation from the shower can build up. Adding an extra exhaust vent can help to improve ventilation and prevent mold issues. Using mold-killing cleaning products can keep mold growth under control around the sink and bathtub, preventing them from becoming a bigger issue.
Avoid Water Damage At All Costs
However, the best way to prevent mold is to keep a sharp eye out for water damage at all times. Check potential areas where excess moisture may get into your home, such as cracks in the foundation or leaky gutters. If you spot any leaks or extra moisture, call an expert right away.
They will be able to assess the situation and determine the best solution.
How Can I Tell If I Have Mold Behind My Walls?
How can you tell if you’re dealing with a mold issue?
Look out for visual signs such as water stains on walls or ceiling, as this is an indication of a potential source of water.
Additionally, it is recommended to conduct home inspections during humid or rainy times of the year. This can help you identify and address any sources of moisture before they become a problem.
Wallpaper is Peeling
Other visual indicators of moisture include peeling wallpaper or condensation on the wall or ceiling.
Be careful if you think there’s mold under your wallpaper, though. Peeling it off yourself to see may end up exposing you to a cloud of spores!
If you’re willing to do a more intensive test, consider trying to probe the wall in question with a screwdriver. If things are soft or crumbling, you may already have rot taking hold because of mold.
Mold Behind The Walls
One common issue people with water damage have to deal with is mold behind their walls. In some cases, mold can be easy to visually identify and take care of, but in many cases, it’s the mold you can’t see that is the biggest problem.
So if you can’t see it, how do you know that you have a mold problem? If you start experiencing allergy symptoms such as those listed above, it may be a sign that there is some mold growing out of sight in your home, especially if there has been recent flooding or heavy rain. In addition, mold, even behind the walls, still leaves a trademark odor. If you start to notice a strange smell, this may be another indication that you need to call an expert!
Since mold is usually caused by water damage, it can be helpful to understand the different classes of water damage that can occur in the home. This will help to identify how serious the problem is and how it can be fixed.
Water Damage Has Different Types
There are also different categories of water damage
- Clean water
- Grey water
- Black water
Clean water is uncontaminated and typically comes from a sink, toilet, or water line.
Grey water often comes from dishwashers, laundry machines, and other appliances and has other substances in it that could be harmful if ingested.
Blackwater is the most contaminated water damage category and usually comes from a sewer backup or stagnant water. This is very unsanitary and could result in serious illness if ingested.
A leaky roof is a specific type of water damage problem that can be a huge headache for homeowners. Roof damage can be caused by severe weather conditions such as hurricanes or tornadoes or by falling trees, animals, or fires.
Replacing a roof is ultimately the best long-term solution, but this is a huge project and often it can’t be done right away. However, homeowners can’t simply leave the roof as it is and allow more water to get into the house.
The best way to deal with this is by installing a roof tarp as a temporary fix until the roof can be replaced. These tarps can be installed on any kind of roof, including skylights, and will buy homeowners some time to save up the money to do a full roof replacement. Be very cautious if you intend to install a roof tarp yourself, as this can be extremely dangerous. If in need of a same-day emergency roof tarp contact us.
What Happens Now?
So, you’ve discovered the source of your mold or water damage problem.
What happens next?
Because of the potential danger that unchecked water damage or mold can cause, if you see evidence of it anywhere in your home make sure you reach out to professionals like us.
Not only do we believe in doing the most for our customers in the Miami area, but we’re also IICRC-certified. This means we use the best cleaning and restoration tactics to help target mold and other remnants of water damage and fix them so you can come back to your home or business with peace of mind.
Get An Inspection
The first step in the water damage restoration process is an inspection. This will help experts to determine exactly how extensive the problem is and where water damage is present, as some types of mold and water damage can be difficult to spot. The more you know about your problem, the more you’ll be able to help the water damage restoration experts by giving them detailed information. Our staff will use moisture meters and other tools to ensure that we spot every bit of water damage.
Remove Any Water
Next, any water that’s already in the house will need to be removed. If the leak or flooding has been severe this may require the use of water pumps or industrial wet-dry vacuums. Once the water has been extracted, professionals will take steps to prevent any further damage.
If any carpets or furniture has gotten wet, they may need to be removed as moisture inside these materials can result in mold growth. Additionally, any walls, floors, or ceilings that have been structurally damaged will need to be removed.
Then comes the drying process, otherwise known as the dry out. This critical step requires the use of fans and dehumidifiers to properly dry out any affected areas, preventing further mold growth.
The dry out process typically takes from 3-5 days and the machines need to run 24 hours a day during that time for the house to dry out quickly and efficiently. During this step, affected areas will be taped off to isolate them from the rest of the home and ensure that the heat is targeted to the areas that need it most. Experts will monitor the moisture levels throughout the dry out to track progress.
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After the dry out is complete, the house will be tested for mold. If mold is present, then a mold remediation will need to be performed.
Mold Testing vs Mold Remediation
If you do not find a water source, then the first step to determine if you have mold is to do a mold test.
Florida and many states require two different licenses:
- Mold testing license
- Mold remediation license
You will need two different companies. One to perform the mold test, and the other to do the mold remediation.
The following video will give you an idea of what the complete mold process looks like:
Although in most cases it is possible to stay in your home during the mold remediation process, ask an expert to ensure that it is safe. You may be more comfortable finding other accommodations for a few days.
During mold remediation, affected areas will be isolated with containment barriers to prevent further spread. Then mold will be removed using various tools including:
- Chemical bio wash
- Wire brushes
- Encapsulation paint
After all traces of mold on surfaces have been removed, the air itself is cleaned. After all, there may be airborne mold spores which could continue to cause health problems! Mold remediation professionals will use machines like hydroxyl generators, air scrubbers, and foggers to purify the air and make it safe.
Post Remediation Verification
Once the cleaning process is complete a final mold test will be conducted to ensure that the house is safe. This is referred to as a Post Remediation Verification or PRV.
A certificate of completion will be issued and your water damage or mold problem is officially solved!
After water damage and mold has been removed, homeowners may have to complete either minor or extensive renovations, depending on how severe the problem was. Although this requires a lot of work, it is very important that your home is properly cleaned of mold to ensure your safety. The silver lining is that sometimes repairing water damage or removing mold provides homeowners with an opportunity to redecorate or replace outdated walls or floors. Don’t be afraid to refresh your home with a new sense of style!
It is important to remember that every water damage or mold problem is different, and the solution for each home will be unique.
A problem may be smaller or larger than it initially appears, and the only way to know for sure is to seek the help of a professional. Whatever the issue, Total Care Restoration is there to help you.
We know that mold and water damage can be extremely stressful and may happen when you least expect it.
Every member of the Total Care Restoration team is an expert in water damage restoration and mold remediation, and we will do whatever it takes to make sure that your home is back to normal as soon as possible. If you’re a Florida homeowner struggling with mold or water damage, contact us today for a no-obligation quote!
What to do if you find Toxic Black Mold
What to do if you find Toxic Black Mold | SafeWise.com
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Staff Writer, Safety & Security
May 26, 2023
You’ve probably heard about the dangers of black mold, an alleged silent killer that hides in water damage and ceiling tiles. But what is black mold? And is it dangerous?
Black mold, or Stachybotrys chartarum, surfaces as blackish-green spots or blemishes. It lives on moist, cellulose-rich surfaces like fiberboard, drywall, and gypsum board. Black mold is most attracted to moisture, which is why it lives in previously-flooded homes, leaky pipe areas, or anywhere with water damage.
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How to find and remove black mold
Is black mold dangerous?
Black mold symptoms
How does black mold get inside?
Removal and cleaning
Black mold prevention
Final word on black mold
Is black mold dangerous?
The short answer is—not really. But that doesn’t mean you should keep black mold as a pet.
Everyone has different levels of tolerance to allergens like mold spores, but that’s all black mold is—an allergen.1 Those with asthma, respiratory allergies, or immune suppression will feel the effects of black mold’s mycotoxins more than most folks.
As one source put it, “Previous reports of ‘toxic mold syndrome’ or ‘toxic black mold’ have been shown to be no more than media hype and mass hysteria. ” 2
But whether you feel black mold symptoms or not, it’s best to get rid of black mold as soon as you find it.
What are the symptoms of black mold exposure?
If you find black mold on your property, there’s no need to panic. But black mold presents more health risks to sensitive groups like those with respiratory conditions or immune conditions.
Black mold exposure symptoms
According to the Centers for Disease Control (CDC), black mold spores can generate cold- or flu-like symptoms such as:
- Stuffy nose
- Skin and eye irritation
Longer exposure can cause more serious symptoms like:
- Shortness of breath
So while black mold probably won’t kill you, it can make you feel sick and should be removed as soon as possible.
How does black mold get inside a house?
Mold spores find their way inside by hitchhiking on clothes, pet fur, and air currents into your home. But spores can’t get comfortable without plenty of water. This is why you’ll usually find black mold around water-damaged areas impacted by plumbing issues like floods or leaky pipes.
Materials like drywall, carpet, or gypsum board can soak up water, creating a perfect home for a black mold colony. If you find water damage at home, it’s crucial to remove all the affected materials to prevent mold from growing.
A water leak sensor can alert you to leaks in hard-to-reach places where the water damage would otherwise go unnoticed.
Black mold removal and cleaning
Mold remediation in stores, offices, or schools is best left to professionals. This also applies to household mold exceeding 10 square feet.
The contractors you choose should have insurance and licenses from organizations like the Institute of Inspection Cleaning and Restoration Certification (IICRC).
Homeowners can handle cleaning about 10 square feet (roughly 3 feet by 3 feet) of black mold on their own. 3 If the patch is small enough, a combination of bleach, water, scrubbing, and ventilation should do the trick.
Before treating mold on your own, prioritize ventilation and protective gear.
Ask the pros
Removing black mold is a tough and dirty job. If you or anyone in your family is sensitive to mold allergies, has respiratory or immune issues, trust the professionals.
Find a contractor in your area to get started.
Clear the air
Start the cleaning process by opening doors and windows to create a cross breeze. Dehumidifiers can also dry up the air and strip precious moisture away from mold growth.
Even if you aren’t sensitive to mold, it’s nasty stuff. Be sure to wear protective eyewear, non-porous gloves, and a mask or respirator to protect yourself from getting sick.
Create a bleach mixture
If the black mold growth in your home is small enough for you to treat alone, a simple mixture of bleach and water can help. Add one cup of bleach to one gallon of water and apply it to the moldy spots. You can also find commercial black mold removal products.
Soak a paper towel in the cleaner and press it over the mold growth to dampen the area. Then start scrubbing. Avoid spraying moldy areas, since the droplets will collide with the mold spores and launch them throughout the room, making them easier to breathe in and harder to eradicate.
Be sure to dry the area thoroughly when you’re done.
Do NOT mix bleach with ammonia. This combination can create toxic fumes that are far more dangerous than any mold you’re trying to clean.
Black mold prevention
Nobody wants black mold in their home or building. Follow these rules to reduce the chances of mold on your property.
Watch for water
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Resideo Wi-Fi Water Leak and Freeze Detector
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Flooding, leaky pipes, and malfunctioning appliances can all cause water damage. Once water seeps into a porous surface like drywall, black mold and its cousins are likely to appear. Water detectors can help you catch faulty appliances and leaks early.
If you do find water damage in your home, treat it and cut off the problem area’s water source as soon as possible. You’ll also need to remove flooring, ceiling tiles, or any other material that was affected by the water.
Keep it clean and dry
Best dehumidifer for basements
Honeywell 50-Pint Dehumidifier with Built-in Pump
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It never hurts to clean regularly. Make sure humid areas and rooms with plumbing get regular spot checks. Add mold and mildew removal products to your cleaning routine, especially for the bathroom and kitchen.
Mold thrives on moisture, so use dehumidifiers in humid areas of your home like bathrooms, basements, or closets. We like this Honeywell dehumidifier because it includes a built-in water pump for maintenance-free operation.
Aim to keep the humidity in your home below 50% to inhibit mold growth and other allergens like dust mites.
Trap airborne mold spores
Best HEPA air purifier
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Use an air purifier with a true HEPA filter to catch mold spores that wind up in your home.
Our favorites include the CleanForce Mega1000 and the Stadler Form Roger series. The CleanForce Mega1000 cleans over 4,000 square feet in one hour. The Roger Big handles entire homes up to 1,100 square feet, but the Roger Little is a more affordable one- or two-room alternative.
Final word on black mold: Best avoided—but not deadly
As for black mold’s toxic reputation, those with immune suppression, asthma, or other respiratory problems are most at risk of feeling ill.
It’s not likely that you’ll die from black mold poisoning because it’s just not that toxic. That said, you should act quickly if you find it in your home. The good news is it’s treatable, removable, and preventable.
Black mold FAQ
Not big at all. Spores from black mold or the Stachybotrys chartarum can range anywhere between 2 and 100 microns.4 To give you a better idea, the average human hair is about 70 microns wide.
Mycotoxins are naturally occurring toxic compounds found in pantry food like cereals, dried fruit, nuts, and spices. Exposure can occur from eating infected food or through the animals who ate contaminated food.5
We found a handful of sources recommending treatments like tea tree oil, grapefruit, and vinegar (just not in the same mixture). And while we haven’t tested these remedies out ourselves, many of the natural items listed have antifungal properties that could dry out black mold.
However, we recommend looking to the pros if you need help with a larger mold colony.
Black mold thrives on water and porous material like drywall or wood which commonly mix in areas like ceilings, basements, and crawl spaces. You can tell if your home has black mold by simply looking and sniffing. If you still aren’t sure, you can find black mold test kits online for around $40.
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Data as of post date. Offers and availability may vary by location and are subject to change. SafeWise uses paid Amazon links.
†Google and Google Nest Secure are trademarks of Google LLC.
Related articles on SafeWise
- Centers for Disease Control, “Facts About Stachybotrys chartarum and Other Molds” Last reviewed December 2019. Accessed June 20, 2022.
- Andrea T. Borchers, Christopher Chang, and M. Eric Gershwin, Clinical Reviews in Allergy & Immunology, “Mold and Human Health: A Reality Check” Published March 2017. Accessed June 20, 2022.
- Environmental Protection Agency, “Mold Cleanup in Your Home” Accessed June 20, 2022.
- Environmental Protection Agency, “Mold Course Chapter 1: Introduction to Molds” Accessed June 20, 2022.
- World Health Organization, “Mycotoxins,” Published May 2018. Accessed June 20, 2022.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product. Safewise.com utilizes paid Amazon links.
Certain content that appears on this site comes from Amazon. This content is provided “as is” and is subject to change or removal at any time.
As a renter, pet-owner, and woman living alone, Katie McEntire takes safety seriously. She’s tested devices like pet cameras, home security systems, and GPS trackers in her own home and devices in the name of safety. In addition to testing, writing, and reviewing for SafeWise, she also makes videos for the site’s YouTube channel.
She’s been featured on publications like TechGuySmartBuy, Forbes, Healthy Moms, and Digital Care. Katie has a Bachelor’s degree in Technical Writing from Austin Peay State University in Clarksville, Tennessee. She’s held previous writing positions at Overstock.com and Top Ten Reviews.
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Drywall Broken Shapes DIY – DIY (Drawings, Manuals)
Drywall sheet is a favorite of builders and designers: it’s easy to work with, the process isn’t too messy, and things move quickly. But if everything is clear with straight structures, then if necessary, getting a circle, an oval or a smooth bend causes problems, since between the soft cardboard sheets there is a hard core that is devoid of plasticity. How to get a curvilinear shape without breaking the sheet? This can be done in several ways, both on dry material and using water.
Let’s start with the easiest, but also the most expensive way. There is a special arched drywall. It is thinner than conventional plasterboards (thickness 6 and 6.5 mm) and is designed specifically for making bent elements. On sheets of flexible drywall, you can make fairly large bending radii – it is suitable for creating arches, domes. The recommended bending radii for this material are 600 mm for internal radii and 1000 mm for external radii. A thin sheet can be bent directly with your hands, you need to do this along the GKL. However, the last rule is valid for any drywall.
Arched drywall is bent gradually and, with the help of screws or self-tapping screws, is attached to a special metal profile – a frame with cutouts on the sides that can be bent. Such profiles can have different lengths and bending radii from 100 mm. Broken profiles are responsible for the rigidity of the structure. Since the sheet is thin, and therefore not too strong, it is made two-layer to strengthen the structure. In order to save money, this option is also possible: make the inner (first) layer from ordinary GKL, and use flexible as the outer sheet (second layer).
If you want to bend ordinary drywall to a certain radius, you will have to tinker. Most often, to obtain a bend, the GKL is wetted: the outside of the future part is rolled with a wet roller or brush dipped in water at room temperature. After a while, water penetrates through the cardboard, the gypsum gets wet – the core of the sheet becomes soft and pliable for changes. Now it can be bent to the required radius, but preferably not too small, otherwise the sheet will break. GKL should dry on the template – so it will retain the required shape. If special accuracy is not required, and the sheet itself is not wide, then you can install its ends on supports, and put a load in the middle – this way you get a smooth bend.
If you need a bend with a radius of less than half a meter, water alone will not be enough: you will need to not only wet, but also perforate the material. The work begins with the fact that both or only the outer side of the sheet (depending on the required bending radius) is rolled with a needle roller – it punches many small holes in the cardboard. After that, as in the first method, the sheet that has become porous is impregnated with water using a roller or sprayer. Moistened GKL is fixed on the form (for example, on a pipe of the desired diameter, plywood or chipboard construction) and bent – in this position it should dry completely. In this case, the radius of the template should be slightly smaller than the radius of the required bend.
When choosing how to work with drywall, you need to take into account not only the bending radius that you want to achieve, but also the thickness of the material. A thick sheet (12.5 mm) can be bent to a radius of up to 1000 mm, on a sheet with a thickness of 9. 5 mm you can get a bend with a radius of up to half a meter, and the thinnest drywall (6-6.5 mm) can be bent to a minimum radius of up to 300 mm.
If you want to get a curved element with a sufficiently large radius (1-2.75 m), you can do without dilution of dampness – limit yourself to the dry method. This is quite difficult, and the bend will not be very smooth. If a thick sheet (12.5 mm thick) is chosen for work, only a large radius (2.5-2.75 m) will be achieved. 9.5 mm GKL can be dry-bent to a radius of up to 2 m, and the thinnest 6 mm sheet – up to 1 m. You will need a sharp knife – they cut cardboard on one side. It is important to choose the right side for you: if you plan to make a concave element (for example, an arch), the cardboard is cut on the inside of the future structure, if the sheet is bent outward (to make a column), cuts are made on the outside. The cut lines should be perpendicular to the length of the bend, and their frequency depends on the required radius – the smaller it is, the more often the cuts should go (as a rule, the distance ranges from 10 to 50 mm).
If you need a smooth and small bend, and for some reason it is desirable to avoid the wet method, then you can bend the drywall with a milling cutter. She makes parallel cuts in the thickness of the gypsum, without touching the cardboard, otherwise the sheet will break. At the same time, a little gypsum should remain near the cardboard. The principle of the frequency of cuts is the same as in the previous method: the smaller the bending radius you need to get, the more often you need to place the cuts. After completing the work with the cutter, the sheet is fixed on the form, the cuts are filled with gypsum putty. In this way, a precise bend of almost any radius can be obtained. Moreover, in this case, the thickness of the GCR is not so important.
Corners and joints between drywall sheets are reinforced and puttied. After that, the seam putty is cleaned, primed and a finishing material is applied.
Despite the apparent simplicity of the process, if the design of your room involves the use of many broken elements, it still makes sense to order curved structures at the factory.
Features of drywall installation – Articles “First Construction Center” in Yekaterinburg
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Modern building material is widely used for suspended ceilings, concrete base cladding, installation of decorative structures and interior partitions. Plasterboard sheets allow you to create a perfectly flat plane for subsequent decoration. With their help, you can build decorative fireplaces, arches, niches in the walls, shelves, as well as door and window slopes.
Installation of drywall on the wall has its own characteristics and nuances. The advantage of using it is that thanks to it a perfectly flat surface is obtained and great opportunities open up for the design of the room. Sheet material is quite easy to erect, does not require special building skills. It is enough to perform all operations in accordance with time-tested technologies and recommendations of specialists.
Plasterboard installation: applications
Suspended ceiling. The material is used to create a single-level, two-level and multi-level ceiling system. To begin with, a steel or wood frame is erected, then building material sheets are laid.
Partitions. GKL is used to delimit space in residential buildings, offices, administrative buildings. Installation of plasterboard partitions is carried out on steel profiles or a wooden crate.
Wall cladding. Sheets are used to create the most even base. To improve sound and heat insulation, insulating material is laid between the building material and the wall.
Gypsum material is also widely used for the construction of various decorative elements, curves, ledges, arches. With its help, you can implement any design projects, ceilings, arches, figures that are original in shape.
Required tools and materials
Today GKL sheets are widely used ordinary, moisture resistant, refractory. All of them are mounted using the same tools. such as:
Perforator. It is required in order to fix the metal profile on which the building material will be attached.
Screwdriver. It is used to fix drywall. Can be replaced with a conventional drill.
Saw, hacksaw. Tools will be needed in order to cut the product. You can use a utility knife.
Metal shears. Required to cut a metal profile.
Roulette. It will be needed to calculate and install drywall per square meter.
Laser level or plumb line. Widely used when finishing those areas where irregularities are observed.
Grater with sandpaper. It will be required to eliminate roughness and create a smooth surface.
Plastic container. It will be needed to prepare a gypsum mixture for sealing joints between sheets.
In addition, you will need mounting brackets and self-tapping screws. The former are necessary for installing the frame, and the latter for mounting plasterboard walls with your own hands. Before buying building materials, you need to make a calculation, multiply the width of the surface by the height. It is necessary to purchase material with a margin, since in some cases it may not be possible to accurately cut the product of the desired shape to create niches, arches and roundings.
In dry rooms, ordinary sheets are used for installation, in rooms with high humidity GKLV products, which can be used both in dry and wet conditions. They are impregnated with a special hydrophobic component that protects the material from swelling and loss of shape. The online store “First Construction Center Saturn-R” offers a wide selection of drywall of various shapes and purposes of guaranteed quality.
Do-it-yourself drywall installation features
Construction adhesive. GKL are attached to the wall with a special gypsum adhesive. The advantages of the method include saving usable space, reliability of fixation and minimum costs, since it is not required to build a frame. The disadvantages of installing drywall on glue include the fact that it is used only in cases where the concrete slab is fairly even.
Mounting foam. When the surface is perfectly flat or there is no possibility of fastening to a pre-prepared crate, the building material is fixed to the foam. The advantages include simplicity, reliability. Among the shortcomings is the lack of the possibility of additional insulation and installation of hidden communications.
Metal profile. In this case, rack and horizontal profiles are used for installation under drywall. Their advantages include the possibility of mounting on a concrete base with any irregularities, as well as the absence of warpage in conditions of temperature changes. The downside is the low soundproofing properties.
Wooden frame. For this, a wooden beam is used. The tree must be well dried, otherwise the timber may change its shape, and the structure will simply warp. The advantage of this method is environmental friendliness and improved sound insulation. The downside is that the tree must be treated with antiseptic compounds in order to exclude pest infestation.
For a solid frame, the distance between fasteners should be at least 55-65 cm. This will ensure that the sheet is securely fixed in the metal vertical profile. The self-tapping screw must “flash” the body of the GKL and go inside the metal profile to a depth of at least 8-12 mm. In this case, the heads of the self-tapping screws must be recessed by 0.5 mm. Before mounting the building material, it is recommended to separate all communication connections in order to subsequently hide engineering communications. At the final stage, all joints are reinforced and puttyed.