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By Robert Allen


One of the most important keys to reducing your heating and cooling costs is having your home well-insulated. So what is the best insulation for your home? This article highlights the technique spray foam roofing Charlotte NC as the most preferred home insulation solution.

There are two main types; open cell and closed cell (this can also be broken down and classified as low, medium and high-density foam insulation). The less expensive open cell insulation uses fewer chemicals and can be a very effective air barrier, but does not act as a water vapor barrier. Typically it is used for indoor insulation, and can also be a great sound barrier. Closed cell foam insulation has a more dense and compact structure, and can also be used a water vapor barrier. Due to its structure, it can be used both indoors and outdoors (including roofs).

Leaks in a foam roof can come from many causes: Wind-driven debris - Small sticks and other pointed debris can penetrate the upper layers of the roof allowing moisture and wind to get in. Dropped tools - If you or a tradesman drop a tool on the roof surface, it can penetrate that critical protective layer. Walking on the roof - The protective layers are okay for walking on. However, hard shoes can cause dents and dings in the roof where water can pool and eventually penetrate. Other causes include surface damage to the protective layer, Exposure to UV rays and Hail.

Actually, applying this type of insulation is quicker and easier than you may think. As the liquid is sprayed, it quickly transforms into hard, thick foam. It can be used anywhere, however, because of its flammability, it requires an ignition source if installed near a flame source (such as a water tank or furnace).

Where is the leak? If you have an attic space, look for where the water is coming in from underneath. If you do not have an attic space, then go up on the roof. Remember to wear soft shoes. Look in the area where you have water coming in. You will likely find the roof's protective layer breached. Once the protective layer gets a hole in it, water, wind, and sun will begin to do their damage. Another thing to look for is water penetration around chimneys, vents, and skylights.

This insulation also keeps mold out of walls. Mold occurs in walls with batt insulation because of "thermal loop effect". This is where the heat penetrates the exterior wall, coming in contact with the cooler interior surface of the drywall, causing moisture to form. Moisture above 25% can provide an environment for mold to grow. It blocks this heat transfer and has no air gaps in which moisture can form.

Repairing Small Areas of Damage. So, you have a small area of your roof that needs a repair. You need to learn how to repair this roof. Be sure the area around the repair is completely dry. Any moisture will cause the repair to fail. Clean the area round the repair according to the caulk directions. Do not allow any liquids to get down into the hole. Using caulk, fill the damaged area and smooth the caulk out. Let the caulk cure.

A more comfortable home is what we all are looking to achieve. This type of insulation can give you warmth in the winter and cooling in the summer when combined with the appropriate HVAC system. These systems can be smaller in size when your home is better insulated with less air infiltration.




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