Bitumen Flat Roof

What are the different types of flat roofs.

Bitumen flat roof.

A bottom layer or two of insulation board multiple intermediate layers of tar or asphalt alternated with layers of roofing felt and a top layer of gravel. There are new and safer ways to install modified bitumen so make sure to. 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. Built up roof bur modified bitumen roof mbr and rubber membrane roof epdm.

If your flat roof is covered with gravel you will likely need to hire a professional to reroof it. Flat roofs are hard to replace. Advantages there are a wide range of methods available for installing modified bitumen roofing from using a hot torch to using a sealant backed peel and stick rolls. Built up roofing bur was the most common type of flat roof before modified bitumen and membrane roofing were developed.

Modified bitumen an asphalt based multi ply flat roofing system is considered a modern take on its close cousin bur or built up roof. Bitumen roof advantages and disadvantages. Modified bitumen flat roofing. Modified bitumen cap sheet roofing was developed in the 1960s as a replacement technology for bur or built up roofing by using the proven technology of bur but also adding polymer reinforced roof wear layers or cap sheets.

Understandably there are dangers involved with the installation especially with an inexperienced roof installer. Flat roofs were once exclusively the province of professionals but new materials enable do it yourselfers to install flat roofs. Pros and cons for flat roof materials. Modified bitumen roofing.

If the surface is smooth you may be able to reroof using sheets of modified bitumen or epdm rubber roofing. One of the longer lasting roofing options for flat roofs is bitumen roofing or a modified bitumen roof. Bitumen flat roof paint in case you haven t seen it in this video i show you how to apply a waterproof bitumen paint coating to a flat roof. Bur consists of many layers.

The first thing required is a clean dry surface and i highly. Bitumen paints are probably the cheapest and easiest of all the paint on or brush on waterproofing paints. Some observers suggest it s harder to replace a flat roof than a traditional pitched shingle roof because of the labor required to remove its layers especially on older flat roofs. But now flat roofs often are constructed with fewer layers because of improved waterproofing technology.

Modified bitumen is installed in multiple layers multi ply roof each of which is torched to the surface below at every turn of the roll. Modified bitumen is rolled out onto your roof typically using a blowtorch to secure the modified bitumen to your flat roof.