Flat Roof Gravel Size

I have a small flat 2nd story deck roof 325 sq.

Flat roof gravel size. Email save comment 2. To protect the underlying layer of roofing materials as is the case with built up roofs burs. He told me that i needed to lay some gravel on the flat roof. Are there any specific requirements for the gravel size type colour etc that we should keep in mind when we re buying a bag.

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. Gravel known as size 1 is relatively large. It can be difficult to work with as it generally cannot be shoveled and instead must be moved individually stone by stone. Gravel is used on flat roofs for two reasons.

There are different types and weights of gravel used on flat roofs for these purposes. Ft that is currently covered with tar and gravel. Gravel to protect built up. It was installed 12 years ago when this section of the house was added over the garage and some first story rooms.

To weigh down or secure the roofing material as is the case with single ply flat roofs. We recently had the building regs inspector around to sign off the extension we have had built.