Falt Roof System

Flat roofing is not actually flat.

Falt roof system. Pros and cons for flat roof materials all three types of flat roofing cost 250 to 350 per square 100 square feet but prices vary according to region and size of the roof. It has a very low slope between 1 4 to 1 2 inch per foot so that it drains water. From there the flat roof system you choose will determine the materials you apply. The material usually organic felt or fiberglass felt is saturated in asphalt and rolled onto the roof s surface.

Of course flat roofs are not flat but have a very slight roof pitch of between 1 4 to 1 2 per foot. These roofs have living plants that are typically installed in tray systems on the top of the flat roof surface. Vegetative roofs can effectively provide an advantageous means for storm water control. But such a low slope holds snow and water much longer than a steeply pitched roof and therefore needs a very different material to stay watertight.

The variation in lifespan depends often on whether the flat roof holds water the amount of details and joints as well as the quality of workmanship. Material from which this system is comprised gets its name from some of the material used and the way it is applied to the roof it covers. Underneath the basics flat roofs are usually constructed with a ceiling nailed to joists which support a deck usually wood in residential construction a vapor barrier insulation and a roof board. Keep in mind a roofing membrane as a base to the system is vitally important to maintaining the roof s integrity and water tightness.

Wind uplift is a primary concern when installing a retrofit single ply roof system rsprs over a structural metal panel roof. To sum up the difference between flat roofs i have compiled a scoring system out of ten for domestic properties 10 being the best and 1 the worst. The most common of the flat roof systems are the five described below.