Do not use a silicone caulk.
Gravel on silicone roof.
The gravel provides a better grip for foot traffic when conducting maintenance or repairs.
While the roof will still adhere fine.
Remove loose dirt and gravel moss and debris from the roof surface and power wash.
After you add the layers of tar supporting fabrics and the top layer of gravel your roof can be an extra 5 10 lbs.
Certain roof systems can adversely impact the appearance of silicone.
Gravel bur roofs can stain silicone if you do not use a bleed blocking primer.
Gravel roof advantages most gravel roofs are inexpensive to build offer some protection to vulnerable asphalt against uv damage and the stones are very durable.
Roofs that might need a primer but not for adhesion.
Because the gravel holds and releases heat the layer of gravel on a bur flat roof can both help water evaporate and keep heat away from the underlying roof structure.
Gravel roof disadvantages on the other hand gravel roofs are hot energy inefficient heavy moisture trapping and unstable.
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.
All major cracks joints and seams should be caulked with blue max trowel grade liquid rubber.
Be sure that the surface is clean and dry before starting application of product.
Per square in heavier than before.
A surecoat roof eliminates 100 of roof seams withstands ponding water conditions and is uv stable for the entire life of the system 10 20 years.
This is a surecoat systems coating how to roof r.
Beyond the first list there are also some roofs that might need a primer but it isn t for adhesion.
Tar and gravel roofs add substantially more weight to the building structure.