Flat Roof Type Gravel

A built up flat roof bur is made up of tar and gravel.

Flat roof type gravel.

I live in kelowna bc where the climate can be very hot in the summer and very cold in the winter. Roof gravel provides a protective layer to flat roofs reducing the weather damaging effects from uv rays and heavy snow hail and wind. A flat roof is a roof which is almost level in contrast to the many types of sloped roofs the slope of a roof is properly known as its pitch and flat roofs have up to approximately 10. I have been told i need a torch down type roof which i am not sure is the best.

Built up flat roof replacement. Built up roofs or burs also called a tar and gravel roof is a well established and popular style of flat roof that is made up of alternating layers of roofing felt or fiberglass and asphalt that is applied with heat which combine to make a long lasting sturdy roofing system. It also provides protection from foot traffic. Our roof gravel is available for delivery in tunnel lift bulk bags allowing an easy method of transporting the gravel onto a roof using a crane not provided.

Being made of synthetic rubber or polymer they are flexible and elastic and can handle temperature changes and some impact types better than built up roofs. Built up flat roofs are very sturdy. These roofs are installed as thin sheet materials 0 030 30 mils to 0 060 inches 60 mils thick and are applied to the roof in a single layer. 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.

For many people the built up roof is what comes to mind when they think of flat roofs. Not huge daily temperature swings. 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. Built up roofs have been popular for a long time because in addition to being attractive they re also efficient insulators.

Flat roofs are an ancient form mostly used in arid climates and allow the roof space to be used as a living space or a living roof flat roofs or low slope roofs are also commonly found on commercial. Bur consists of many layers. 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 different types and weights of gravel used on flat roofs for these purposes.

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