Bitumen Flat Roof

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.

Bitumen flat roof.

The first thing required is a clean dry surface and i highly. 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. One of the longer lasting roofing options for flat roofs is bitumen roofing or a modified bitumen roof. But now flat roofs often are constructed with fewer layers because of improved waterproofing technology.

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. Modified bitumen is a type of asphalt product that can be applied in a number of ways to the roof in both hot and cold temperatures. Modified bitumen roofing was designed for use on buildings that have a low slope or flat roof. Flat roofs were once exclusively the province of professionals but new materials enable do it yourselfers to install flat roofs.

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. Built up roofing bur was the most common type of flat roof before modified bitumen and membrane roofing were developed. Modified bitumen flat roofing.

Modified bitumen roofing. This could mean flat roofs may not raise the same red flags they used to. Modified bitumen an asphalt based multi ply flat roofing system is considered a modern take on its close cousin bur or built up roof. Pros and cons for flat roof materials.

If your flat roof is covered with gravel you will likely need to hire a professional to reroof it. Bitumen roof advantages and disadvantages. If the surface is smooth you may be able to reroof using sheets of modified bitumen or epdm rubber roofing. Flat roofs are hard to replace.

Modified bitumen is rolled out onto your roof typically using a blowtorch to secure the modified bitumen to your flat roof. Bur consists of many layers. 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.

What are the different types of flat roofs. There are new and safer ways to install modified bitumen so make sure to.