Although commonly called gravel the top layer is usually some sort of aggregate material such as pea gravel slag or mineral granules.
Gravel rock roof.
It also provides protection from foot traffic.
Also a tar and gravel roof is very rugged and safe to walk on.
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.
Cost can add up quickly especially if you re a novice and have never attempted a tar and gravel roof installation before.
Gravel is an excellent fire retardant.
Tar and gravel roofing.
If you have a home with a flat roof a tar and gravel roof may be a good option for you.
Built up roofs can last from 10 to 20 years depending on the severity of the weather.
A tar and gravel roof has a life expectancy of about 20 to 25 years.
Therefore you can save money in the long run.
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.
Even though the asphalt waterproofs the roof highly important for flat roofs the gravel provides an important life extending extra layer.
It provides excellent protection against uv rays and is an attractive option for windows and decks that overlook the roof.
Tar and gravel flat roofs are one of the most cost effective roofing solutions.
Aside from its low installation costs the roofing material does not require frequent repairs or replacement.
This acts as an adhesive when it cools.
Roof gravel provides a protective layer to flat roofs reducing the weather damaging effects from uv rays and heavy snow hail and wind.
Advantages of a tar and gravel roof.
The surface is coated with bitumen and a layer of gravel or crushed rock to hold the roofing material down and minimize damage from the sun and from abrasion.
The light colored gravel also reflects the sun s heat.
Tar and gravel roof total average cost per square foot.
I would strongly recommend you hire a licensed and insured roofing contractor to perform the installation for you.