Flat Roof Gravel Size

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Flat roof gravel size.

It was installed 12 years ago when this section of the house was added over the garage and some first story rooms. Are there any specific requirements for the gravel size type colour etc that we should keep in mind when we re buying a bag. To weigh down or secure the roofing material as is the case with single ply 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.

Gravel known as size 1 is relatively large. Gravel to protect built up. Ft that is currently covered with tar and gravel. Can i use pea shingle size 10 15mm does anyone know what sort of area one of the bags from a diy store would approx cover.

I have a small flat 2nd story deck roof 325 sq. Gravel is used on flat roofs for two reasons. To protect the underlying layer of roofing materials as is the case with built up roofs burs. There are different types and weights of gravel used on flat roofs for these purposes.

We need to top up the gravel in one spot on our flat tar and gravel roof. Typically this gravel ranges in diameter from 2 5 inches 6 35 centimeters to 4 inches 10 16 centimeters.