Roof Ballast Rock

The firestone epdm ballasted system is an economical epdm roofing system suitable for a wide variety of buildings.

Roof ballast rock.

Large mixed color decorative rock. Ballast is required with 20 lbs s f. Our roofing ballast is commonly installed over membrane and single ply systems at 1000 1500 pounds per square. Ballast is commonly used with roofs made of tar and gravel roof alternatives including ethylene propylene diene monomer epdm polyvinyl chloride pvc and thermoplastic polyolefin tpo single ply flat roofs.

There are no fasteners installed at all 3 and 4. Conventional gravel ballasted roofs have been built for many years and are suitable on most flat roofs and structures. Ballast stone can crush the underlying insulation creating weak spots in the roof membrane. Our process as opposed to traditional forms of removing ballast reduces intense labor portions as well as minimizes risk of damaging roofs with shovels wheelbarrows.

Unwashed landscaping decorative drainage and roof ballast stone. Click here to edit text. Needed at perimeters and at large penetrations. In the field of the roof a minimum of 10 lbs s f.

Stone ballast typically requires crushed graded stone placed over a stone filter sheet rolled out over the insulation. White ballast can range in size from 2 1 2 3 4 inches and can be made to meet various astm standards. Next the membrane is rolled over the insulation 2. A ballasted roof means that the roof membrane is not anchored or adhered in any way to the decking material.

Ballast river rock removal ballast vacuuming services will remove all river rock from single ply roofs. Over time the stones move around creating bald spots where the system isn t held down at all. Business hours monday thursday 7 00am 6 00 p m f r i d ay 7. In windy areas ballast stone can actually blow off the roof creating projectiles below.

0 0 a m 5. Contact hydrotech for specific installation guidelines. 2 1 2 8 unwashed rock. Medium mixed color decorative rock.

A1 grit ballast is a natural smooth water worn and screened large gravel used for many applications. Most importantly saves time allowing projects to run efficiently. The insulation is loose laid onto the decking. It is however ballasted generally with gravel.

It can be applied on any building that can accommodate the extra load of the ballast and where the roof slope does not exceed 10. 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. The stone ballast on a ballasted roof system is the only thing holding the roof system in place.