Roof Ballast Rock

Unwashed landscaping decorative drainage and roof ballast stone.

Roof ballast rock.

Needed at perimeters and at large penetrations. 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. Business hours monday thursday 7 00am 6 00 p m f r i d ay 7.

The insulation is loose laid onto the decking. In windy areas ballast stone can actually blow off the roof creating projectiles below. Stone ballast typically requires crushed graded stone placed over a stone filter sheet rolled out over the insulation. Next the membrane is rolled over the insulation 2.

Contact hydrotech for specific installation guidelines. Single ply roofing materials aren t self adhered nor are they sealed together in any way. Ballast stone can crush the underlying insulation creating weak spots in the roof membrane. Over time the stones move around creating bald spots where the system isn t held down at all.

White ballast can range in size from 2 1 2 3 4 inches and can be made to meet various astm standards. 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. The firestone epdm ballasted system is an economical epdm roofing system suitable for a wide variety of buildings. Click here to edit text.

0 0 a m 5. 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. In the field of the roof a minimum of 10 lbs s f. 2 1 2 8 unwashed rock.

Our roofing ballast is commonly installed over membrane and single ply systems at 1000 1500 pounds per square. The stone ballast on a ballasted roof system is the only thing holding the roof system in place. It is however ballasted generally with gravel. Most importantly saves time allowing projects to run efficiently.

Conventional gravel ballasted roofs have been built for many years and are suitable on most flat roofs and structures. 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. Ballast is required with 20 lbs s f. Stone ballast is no longer allowed by many building codes.

Large mixed color decorative rock. A1 grit ballast is a natural smooth water worn and screened large gravel used for many applications. Medium mixed color decorative rock.