Roof Ballast Rocks

A ballasted roof means that the roof membrane is not anchored or adhered in any way to the decking material.

Roof ballast rocks. Used in roofing applications. Roofing ballast is usually the little pebbles you see on a flat ish roof. Landscaping decorative drainage septic systems roof ballast. 4 blue round gravel approx.

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. This is for a roofing membrane that is not fully adhered to substrate and the pebbles are essentially acting as a paperweight. 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.

Despite the positive qualities associated with a ballasted roof system there are some challenges. Why not fully adhere. The gravel top coat is also extremely resilient to heavy foot traffic and high wind scenarios. 831 main street bridgewater nj 08807 1 800 82 rocks.

The heavier stones provide substantial protection against wind gusts. 2 roofing ballast no longer meets spec astm d 448. Ballast stones are usually one to two inches thick and applied more generously than on a built up roof. Ton or 60lbs bags 3 roofing ballast astm d 448.

3 4 1 1 2 excavated from our pond with a natural blue tint mixed with brown and natural color hues. Paving stones can also be added to create walkways which adds value to your property. 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.

In gravel ballasted roofing systems the waterproofing membrane is covered and ballasted against wind uplift and other exposures with a layer of gravel. It is however ballasted generally with gravel. Naturally round grey and tan granite. The ballast is used to keep the roofing system cool and of out of the sun s harmful rays thus keeping energy costs down.