It must be carbide because it is stronger and stiffer than anything else.
Tar rock roof.
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.
A tar and gravel roof or built up roofing consists of several layers of waterproof material alternated with hot tar and a surface layer of mineral aggregate often smooth river stone.
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.
This surface layer weighs down the built up roof protects it from sun exposure and serves as decoration.
If you plan not to remove the roofing membrane along with the tar and gravel make sure you are cutting only as deep as necessary.
I would strongly recommend you hire a licensed and insured roofing contractor to perform the installation for you.
Make sure you hire professional services for its regular maintenance.
However tar is an unsustainable product.
Most houses with flat or nearly flat roofs are topped with built up roofing or tar and gravel roofing made from fiberglass based asphalt sheeting that is applied in layers with hot bitumen tar mopped on between each layer.
If you have a home with a flat roof a tar and gravel roof may be a good option for you.
A tar roof also known as a tar and gravel roof is a type of built up roofing solution that uses multiple layers of waterproof material alternated with hot tar and finished off with a layer of gravel crushed rock or other ballasting.
Here alternating layers of roofing felt usually fiberglass and hot applied asphalt are combined to create a long lasting roof system.
A tar and gravel roof is extremely durable and can withstand heavy rains and harsh weather conditions.
Break up the tar and gravel roof with a carbide roofing cutter.
Cost can add up quickly especially if you re a novice and have never attempted a tar and gravel roof installation before.
A built up roof bur sometimes called a tar and gravel roof is a tried and true style of flat roof.
Roofing tar will also protect your roof from wind and from snow and water which can collect on a flat roof.