The installation of drywall as insulation is a common practice in the construction of homes and other buildings. On the other hand, in order to achieve success with your project regarding its external application, you will need to follow certain guidelines. Insulation is the primary function served by dry wall in residential and commercial construction. Plaster of Paris or gypsum is used to create the panels, and they frequently have reinforcing grids attached to both sides. In addition, one side of each sheet contains paper, and that paper either covers the entire surface or just sections of it. The paper can be used either as a covering for the interior or for the exterior, but if you are building outside, you are only allowed to use materials that have been approved.
Because of the potential for damage from prolonged exposure to moisture and sunlight, the manufacturers of Greenguard Indoor Air Quality Certification Inc. recommend that seam tape not be used when attaching drywall to a substrate that is located outside of your home. In addition, metal corner beads, which are typically hollow tubes that permit joining adjacent panels, must be avoided because they are not resistant to corrosion and will eventually break down.
Instead, you should use corner boards that are constructed from exterior-grade plywood and screws, and then you should seal all of the seams with strips of durable waterproof tape. After that, you can paint or otherwise finish the panels so that they match the exterior of your building. This will prevent moisture from getting inside, which, over time, can cause damage to walls. Only use metal corner beads that have been approved because these will not corrode when they are exposed to the elements. In addition, you should always paint or finish your installation so that it matches the exterior of your home once it is complete.
When used in exterior applications, building panels made from drywall should not be handled in the same manner as conventional building materials. Before you can have any level of success with your project, exterior use requires that you follow certain guidelines.
However, there is some good news as well!
The good news is that in addition to standard drywall products, there are also specialized options available for use outside. Some manufacturers, for instance, have developed panels that consist of a high-density core and paper that is resistant to moisture. Other manufacturers, on the other hand, offer an external veneer on one side of the board. This type of panel is completely waterproof and comes in two separate pieces that can be easily assembled using a tongue-and-groove design. The pieces simply snap into place against one another.
The high-density thermal core that is sprayed with a cement coating on the outside of the most common type of exterior drywall sheets is what makes these sheets so popular. The sheets are composed of three layers: a layer of paper on one side, a layer of air in the middle, and a layer of cement on the other side.
Insulation is provided for homes by this method, and only a small amount of moisture is allowed inside. In addition, the sheets have an impenetrable defense against water and are appropriate for use in commercial settings as well as homes that have a garage that is attached to the main house. The only drawback is that they are only available in two sizes: one with a thickness of 1/2 inch and dimensions of 4 feet wide by 8 feet long, and another with dimensions of 5/8 inch and 4 feet wide by 8 feet long.
Make sure that you follow all of the manufacturer’s requirements and installation guidelines when using drywall for an outdoor project. This will ensure that the drywall is installed correctly. If the product does not come with any specific instructions, you should only use it inside or in climates that are extremely mild and dry. If necessary, you can get in touch with the manufacturer, and they will be able to give you detailed instructions regarding the installation process.
To begin, metal corner beads are not recommended for use in applications that will be exposed to the elements because they are not resistant to corrosion and will eventually break down after prolonged use. Instead, you should use exterior-grade plywood in conjunction with screws to secure the seams of your project. In addition, when using drywall products outside, you should always make sure that you follow all of the manufacturer’s guidelines and requirements. This is because certain products may only be meant for use inside or in weather conditions that are relatively mild.
Because it will be exposed to the wet conditions of the outdoors, one of the primary concerns that must be addressed when installing drywall on exterior walls is its capacity to retain paint. As a consequence of this, the color does not blend in very well with the surface, which eventually leads to flaking and discoloration.
There are solutions to this issue, such as the application of primers that have been developed specifically for use in outdoor settings. Drywall does not require a primer coat, so painting it is both simpler and faster than painting other materials. As a result, you will find that painting drywall is easier. You also have the option of treating the drywall with an anti-fungal agent, which will prevent moisture from accumulating behind the panels and eliminate the risk of mold growth.
You might be wondering at this point why you put yourself through all of this trouble. The level of energy efficiency that your home achieves can be directly correlated to the quality of the wall insulation. Drywall that is installed on the exterior walls of a building acts as a thermal buffer between the outside temperatures and the heat sources that are located inside the building, such as furnaces and heaters.
To improve your home’s energy efficiency, you should give some thought to the possibility that upgrading your insulation could reduce the amount of money you spend on heating your home during the winter months. Additionally, if the exterior drywall is maintained appropriately, it can save homeowners money on an annual basis. Because it requires so little patching over time, this kind of installation is more cost-effective for the long-term upkeep of an energy-efficient home.