It provides excellent protection against uv rays and is an attractive option for windows and decks that overlook the roof.
Gravel roof planner.
The gravel also acts as a protective measure to prevent natural debris such as leaves from flowing towards and clogging the drains of the flat roof instead trapping them in place.
With thanks hannah.
As the roof ages more gravel is released increasing the displacement effect.
Modified bitumen roofs are a mix of asphalt and rubber with a layer of gravel embedded in the top layer of material during manufacture to provide uv protection.
Advantages to white coating.
Gravel is heavy and concentrations of gravel can contribute to roof deck deflection low areas.
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.
Of all the flat roofing options a tar and gravel roof is the most economical.
Advantages of a tar and gravel roof.
Gravel is an excellent fire retardant.
The site planner will prepare a cost estimate and detailed drawings and specifications for competitive.
Parts and composition of tar and gravel built up and flat roofing systems with a helpful tar and gravel roof construction diagram.
Hi there we need to top up the gravel in one spot on our flat tar and gravel roof.
Gravel collects along gravel stops drip edges causing more heat and moisture to be directed against the roof surface causing damage over time.