4 blue round gravel approx.
Roof ballast rocks.
The heavier stones provide substantial protection against wind gusts.
The ballast is used to keep the roofing system cool and of out of the sun s harmful rays thus keeping energy costs down.
Despite the positive qualities associated with a ballasted roof system there are some challenges.
Conventional gravel ballasted roofs have been built for many years and are suitable on most flat roofs and structures.
Please visit us to view actual products before placing an order.
Ballast stones are usually one to two inches thick and applied more generously than on a built up roof.
2 roofing ballast no longer meets spec astm d 448.
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.
This is for a roofing membrane that is not fully adhered to substrate and the pebbles are essentially acting as a paperweight.
A ballasted roof means that the roof membrane is not anchored or adhered in any way to the decking material.
3 4 1 1 2 excavated from our pond with a natural blue tint mixed with brown and natural color hues.
The gravel top coat is also extremely resilient to heavy foot traffic and high wind scenarios.
Ton or 60lbs bags 3 roofing ballast astm d 448.
Products may run larger than description.
Roofing ballast is usually the little pebbles you see on a flat ish roof.
This process begins with vacuuming all 1 to 2 5 river rock from single ply roof systems.
In gravel ballasted roofing systems the waterproofing membrane is covered and ballasted against wind uplift and other exposures with a layer of gravel.
Used in roofing applications.
When the concept first came to the u s plenty of roofers scratched their heads and wondered how the roof stayed on without being anchored especially during high winds or storms.
Why not fully adhere.
Paving stones can also be added to create walkways which adds value to your property.
Landscaping decorative drainage septic systems roof ballast.
831 main street bridgewater nj 08807 1 800 82 rocks.
It is however ballasted generally with gravel.