It must be carbide because it is stronger and stiffer than anything else.
Metal roof over tar and gravel.
Install a fiberglass base paper over existing gravel roof asphalt roof or epdm rubber roof install new metal edging on the perimeter covering the base paper clean and remove any roofing material like tar and other membranes around drains install a self adhering modified bitumen base sheet over the fiber base sheet.
Break up the tar and gravel roof with a carbide roofing cutter.
Two common alternatives to tar and gravel are two ply membrane assembly and standing seam hidden fastener metal panels.
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.
For many people the built up roof is what comes to mind when they think of flat roofs.
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.
Here alternating layers of roofing felt usually fiberglass and hot applied asphalt are combined to create a long lasting roof system.
The traditional roof coating system simply do.
Built up roofs have been popular for a long time because in addition to being attractive they re also efficient insulators.
A built up roof bur sometimes called a tar and gravel roof is a tried and true style of flat roof.
Preparing and coating tar and gravel roofs can be extremely difficult with a traditional roof coating approach.