This is for a roofing membrane that is not fully adhered to substrate and the pebbles are essentially acting as a paperweight.
Reason for roofs with pebbles.
Prices from 5 43 for 25kg pebble bags.
Contractors and builders use gravel on flat roofing for two primary reasons.
Also buy complete pebble packs for your sized roof.
Causes effects of loss of protective mineral granules from roof shingles asphalt roof shingle defects.
To protect the underlying layer of roofing materials as is the case with built up roofs burs.
Gravel is used on flat roofs for two reasons.
To weigh down or secure the roofing material as is the case with single ply flat roofs.
There are different types and weights of gravel used on flat roofs for these purposes.
Roofing ballast is usually the little pebbles you see on a flat ish roof.
The first is to protect the underlying layer of roofing materials on built up roofs burs and the second is to secure or weigh down the roofing material as is the case with single ply flat roofs.
Buy green roof pebbles from sedum supply ltd.
Photos and text guide diagnosis of asphalt roof failures causes effects of loss of protective mineral granules from roof shingles description of different causes of roof shingle granule loss.
December 22nd 2010 at 7 37 pm.
Caledonia river washed pebbles designed to provide a vegetation fire break.
Gravel to protect built up.