There are two main types of burs or tar and gravel roofing systems modified bitumen roofs which are a mix of asphalt and rubber with a layer of gravel on top and ballast roofing which is a different style of larger gravel applied on top of a single ply roofing system.
Roofing type with tar and pebbles.
Asphalt and gravel roof maintenance consists of preventing the cracks that can appear in the membranes over time as the tar dries out from exposure to the sun.
There are different types and weights of gravel used on flat roofs for these purposes.
If you have a home with a flat roof a tar and gravel roof may be a good option for you.
Gravel to protect built up roofs.
Therefore you can save money in the long run.
A built up roof bur sometimes called a tar and gravel roof is a tried and true style of flat roof.
The roof must be swept liquid tar must be applied and the gravel must be repositioned.
Comparing tar and gravel roofing with other roofing types.
Tar and gravel roofs sometimes referred to as conventional built up roofing or bur roofs tar and gravel roofing is a system of flat roofing protection that is budget friendly and can have a lifespan of up to 30 years.
Tar and gravel roofing.
Built up roofing can last up to 30 years with proper maintenance.
Aside from its low installation costs the roofing material does not require frequent repairs or replacement.
Our tar and gravel roofing can easily outlast shingle roofing since the expected lifespan of any.
In the case of a metal roof it can easily last more than 50 years.
Don t hesitate to call couvreur lapointe for further details on how to maintain this type of roofing.
Here alternating layers of roofing felt.
A tar and gravel roof has a life expectancy of about 20 to 25 years.
We can say that this type offers excellent durability.