Flat Roof Explained

Built up roof bur the traditional hot tar and gravel roof is built from three or more plies of waterproof material alternated with hot tar and ballasted by a layer of smooth river stone.

Flat roof explained.

The preferred design of a flat roof fall is 1 40 although this can vary and be anywhere down to 1 80. Once made of tar paper these types of roofs gradually are using more advanced materials such as fiberglass membranes. This is by far the cheapest type of flat roofing you can get. The term flat roofing describes a roof surface that is as almost completely level.

Flat roofs usually come with a 10 to 20 year warranty but can last 25 years if you build the roofs right and maintain them using commonsense rules. Mainly provides a thermal barrier but can also have sound proofing or fire resistant properties. This is the outer surface of the roofing which resists water. There are mainly three types of flat roof materials commonly used for flat roofs.

Leave a comment roof repairs by naas ferreira august 19 2015. There are 5 types of commercial flat roofing systems commonly installed. Different types of flat roof material options single layer membrane roof. The built up roof or bur is the traditional hot tar style of roofing that was very popular at one time.

Flat roofs can be made from many types of material although epdm rubber or tpo and pvc roofing membranes are the most common along with tar and gravel roll roofing or metal sheets. Flat roofs are nothing new nor are some of the proven materials that cover these often expansive roofs such as those found on factories warehouses big and small box stores apartment buildings large public structures and schools universities. We specialize in the 2 ply modified bitumen torch down system because of its durability features. It is done by layering 3 or more stacks of waterproof material with hot tar in between and then ballasting the top with a layer of gravel pebbles.

Build up tar and gravel roof. Epdm rubber ethylene propylene diene monomer a common use is in vehicles. Modified bitumen cap sheet roofing was developed in the 1960s as a replacement technology for. Gravel is an excellent fire.

The three types of flat roofing materials are. A flat roof s design is both efficient and economical. It can be made from a wide range of. From there the flat roof system you choose will determine the materials you apply.

Epdm rubber flat roofs metal roof rubber roofs tpo roofing membrane. The membrane roof is the latest roofing technology and is also the roof of choice in. This video explain the three commonly flat roof materials used. A flat roof is almost exactly that a roof that has so little slope or pitch that it appears to be completely flat although they do have a very slight pitch to allow for water runoff.

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.