Ballast stones are usually one to two inches thick and applied more generously than on a built up roof.
Roof ballast rocks.
Landscaping decorative drainage septic systems roof ballast.
It is however ballasted generally with gravel.
Products may run larger than description.
Roofing southwest a ballast system helps cut roof system application costs as it takes less time to install since sealing the layers together isn t necessary.
This is for a roofing membrane that is not fully adhered to substrate and the pebbles are essentially acting as a paperweight.
In gravel ballasted roofing systems the waterproofing membrane is covered and ballasted against wind uplift and other exposures with a layer of gravel.
Ton or 60lbs bags 3 roofing ballast astm d 448.
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The gravel top coat is also extremely resilient to heavy foot traffic and high wind scenarios.
The heavier stones provide substantial protection against wind gusts.
3 4 1 1 2 excavated from our pond with a natural blue tint mixed with brown and natural color hues.
Why not fully adhere.
4 blue round gravel approx.
Conventional gravel ballasted roofs have been built for many years and are suitable on most flat roofs and structures.
On the other hand ballast roofing might be the right choice for your commercial property if you live somewhere with a ready source of ballast rocks gravel of the appropriate size and you prefer the aesthetic look and texture of the larger stones.
831 main street bridgewater nj 08807 1 800 82 rocks.
Naturally round grey and tan granite.
Ballast removal and re ballast or swap out as some call it allow you to save on the cost of purchasing new ballast for your repair or re roof jobs.
2 roofing ballast no longer meets spec astm d 448.
Despite the positive qualities associated with a ballasted roof system there are some challenges.
Roofing ballast is usually the little pebbles you see on a flat ish roof.
Used in roofing applications.
The ballast is used to keep the roofing system cool and of out of the sun s harmful rays thus keeping energy costs down.
This process begins with vacuuming all 1 to 2 5 river rock from single ply roof systems.