3 Types Of Flat Roof Insulation


Even those with experience in home building and roofing are challenged by flat roof insulation. There are various ways to insulate roofs but the major concern with flat roofs is water leaking in. Roofs that have a slant are less likely to leak because the angle allows the water to run down and not pool. Flat roofs are unable to provide this escape for water so it becomes an issue. There are three main kinds of insulation you can choose from for a flat roof: blanket, blown and rigid foam. The material that is right for your flat roof insulation project is going to depend on the condition your flat roof and how much money you have to spend.

Using blanket or batts of flat roof insulation is a great option for those less experienced in home improvement. It is especially useful if the ceiling below the flat roof is exposed. This type of insulation is made from fiberglass and will give you a great way to protect the space between the roof and the ceiling. It will help to lower the amount of heat let out and brought in by the flat roof. This will not only make the interior of the building or home more comfortable but lower your energy bill as well. If your intention is to put up a ceiling of dry wall after you put in the blanket installation, you will need to be sure there is enough insulation that it actually rest on top of the drywall. If the ceiling will be left exposed than you will need to put up heavy plastic sheeting over the insulation starting in one corner. Make sure the plastic is pulled tight and stapled to the joists.

If you already have a ceiling installed and need to fill the cavity between it and the roof, blown flat roof insulation is a great option. Wether you choose fiberglass or cellulose spray insulation, it will require a great deal of tools, equipment and materials but can be less problematic and costly than replacing the ceiling. Many of the bigger pieces of equipment, such as the blower, can easily be rented. There are some procedures that must be followed to properly install blown insulation. Following them to the letter can make the job go faster and smoother. If there is not already a drywall ceiling installed, you may want to go with a different insulation material to save a great deal of time and money. If you still want to opt for the blown insulation after you install the new drywall ceiling, then you must be sure to give the drywall plenty of time to dry before you begin.

Rigid foam is another great flat roof insulation option for the novice to take on. It is best installed when the ceiling is exposed. You can find everything you need to install rigid foam insulation at your local hardware or home improvement store. There are several kinds to choose from, including rigid foam that is covered with foil insulation on one or both sides. This added layer will make it even more efficient in protecting your building or home from moisture and water leakage. After you install the rigid foam you will need to seal it with spray foam. Just like blanket insulation, you should cover it with plastic sheeting if you plan to leave the ceiling exposed or install a drywall ceiling directly up against the rigid foam insulation.

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