Roof Ballast Rock

Most importantly saves time allowing projects to run efficiently.
Roof ballast rock. Click here to edit text. Large mixed color decorative rock. Medium mixed color decorative rock. 0 0 a m 5.
The firestone epdm ballasted system is an economical epdm roofing system suitable for a wide variety of buildings. Stone ballast is no longer allowed by many building codes. 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. 2 1 2 8 unwashed rock.
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. Business hours monday thursday 7 00am 6 00 p m f r i d ay 7. Ballast is required with 20 lbs s f. It is however ballasted generally with gravel.
Conventional gravel ballasted roofs have been built for many years and are suitable on most flat roofs and structures. Single ply roofing materials aren t self adhered nor are they sealed together in any way. Stone ballast typically requires crushed graded stone placed over a stone filter sheet rolled out over the insulation. Unwashed landscaping decorative drainage and roof ballast stone.
A1 grit ballast is a natural smooth water worn and screened large gravel used for many applications. A ballasted roof means that the roof membrane is not anchored or adhered in any way to the decking material. White ballast can range in size from 2 1 2 3 4 inches and can be made to meet various astm standards. 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.
Ballast river rock removal ballast vacuuming services will remove all river rock from single ply roofs. In the field of the roof a minimum of 10 lbs s f. Our roofing ballast is commonly installed over membrane and single ply systems at 1000 1500 pounds per square. Next the membrane is rolled over the insulation 2.
In gravel ballasted roofing systems the waterproofing membrane is covered and ballasted against wind uplift and other exposures with a layer of gravel. In windy areas ballast stone can actually blow off the roof creating projectiles below. Over time the stones move around creating bald spots where the system isn t held down at all. Contact hydrotech for specific installation guidelines.
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. There are no fasteners installed at all 3 and 4. Needed at perimeters and at large penetrations.