Flat Roof Felt Types

Built up roof bur the traditional hot tar and gravel.

Flat roof felt types.

Ikopro solvent free water proofer is an easy to use bitumen based emulsion for roofs. Versatile and strong bitumen waterproof felt roofing is extremely effective at withstanding the effects of rain and sun. In the traditional poor and roll process bitumen is supplied in blocks broken up and heated on site in a boiler until molten. Suitable for small garages to large warehouses felt roofing remains a popular cost effective choice.

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. Felt is bonded with asphalt in the factory. Bitumen felt flat roofs are affordable in price and provide a great waterproofing result. One of the oldest types of flat 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. Here is a video showing how the felt is installed on the flat roof. Built up felt roofing consists of two to three layers of bitumen sheet that have been bonded together using either hot bitumen or adhesive. The hot applied asphalt or coal tar pitch blends with the bitumen soaked roof felt and creates a monolithic roof membrane.

The longevity of the roof depends on the quality of the materials used. They had minimum internal. This type of flat roof still has a bad reputation with some people but i m going to tell you why that perception is out of date. This type of flat roofing felt has been in use for decades and is still used today.

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. It s the least expensive but also needs replacing most regularly. 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. It is then rolled out and can be held down with nails or asphalt cement.

There are many different types of flat roofing systems available each one with their own pros and cons. There will be multiple layers of which the top one is gravel coated so similar to rbm. The product can be used as a waterproofing coating on asphalt fibre cement sheeting concrete and bituminous roofing membranes. Also known as glass reinforced plastic grp fibreglass flat roofing is quick.