Flat Roofing Felt Types

Here is a video showing how the felt is installed on the flat roof.

Flat roofing felt types. 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. A guide to flat roof options. Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment. When choosing a flat roof you need to take a number of considerations into account including the look you want to achieve the size of your flat roof the type of weather it ll face and the amount of labour it will require.

The product can be used as a waterproofing coating on asphalt fibre cement sheeting concrete and bituminous roofing membranes. Roofing felt is one of the oldest available options and advances made in the past decade or so have begun to move more towards the torch on approach. Built up felt roofing consists of two to three layers of bitumen sheet that have been bonded together using either hot bitumen or adhesive. Different types of flat roof material options.

This type of flat roof still has a bad reputation with some people but i m going to tell you why that perception is out of date. The hot applied asphalt or coal tar pitch blends with the bitumen soaked roof felt and creates a monolithic roof membrane. Layers of bitumen felt are heat welded onto each other to form an impenetrable barrier. This type of flat roofing felt has been in use for decades and is still used today.

The roof felt asphalt tar layering is repeated in overlapping layers until the assembly is two to fours plies in thickness. They had minimum internal. With an average life expectancy of 15 to 30 years flat felt roofing is economical but has a tendency to crack as it ages and the temperature changes. Item 656632 model 0903000.

Suitable for small garages to large warehouses felt roofing remains a popular cost effective choice. There are many different types of flat roofing systems available each one with their own pros and cons. 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. Most people have in mind the old pour and roll felts of yesteryear and these were thin bitumen felts glued together with a hot liquid bitumen between each layer.