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Ballasted Roof System. Ballasted roof systems have been installed since the early 1970''s. They are known for their installation speed and pleasing aesthetics. Most ballasted roof systems use gravel stone that is similar to what would be used in landscaping.
Roof ballast removal is completed with a giant vacuuming truck and custom designed piping that allows the stone to be sucked right off the roof and into the truck. The stone is either left on site if the customer wants to keep it, or disposed off site. At the end of the day, the roof looks dramatically different (and dirtier) without ballast.
Roof leak investigation on a ballasted roof can be a bit of a nightmare. Ballasted roof systems hold dirt and dust in between the stone which makes finding small punctures very difficult. Plus, the only way you''re able to see the membrane is to move the ballast. That means somebody (Mr. Roofer) is shoveling stone out of the way.
WATERPROOF! Magazine reaches virtually every segment of the waterproofing industry. Coverage includes: Residential Below Grade – Sprayapplied foundation sealants, selfadhered sheet goods, footing drain tiles, dimple membranes and sump pump systems, crack repair, carbon fiber straps, piering, basement finishing, crawlspace, mold remediation, and moisture management.
The gravel used in built up roofing (what the roofing contractors were used to) was not the same as that used in a ballasted roof. For built up roofing, the gravel was generally .25 .5 inches in diameter. The stones used in ballasted roofing are generally inches in diameter and applied in a thicker layer.
Natural Stone Slabs; Natural Stone Steps; Natural Stone Treads Coping; PA Bluestone Pattern Flagstone ; Palletized River Stone Boulders; Pennsylvania Bluestone; Roofing Aggregates; ... #3 ROOFING BALLAST ASTM D 448. ASTM D 448 Naturally rounded, offwhite and beige quartzite. Used in roofing applications. Color: OffWhite Beige.
Ballast Rock Vacuums Rock and ballast vacuums for roofing contractors. In 1992, Industrial Vacuum Equipment Corporation designed the Hurricane™ 600 rock vacuum for a roofing contractor that was looking for a better way to remove rock and stone from flat commercial roofs.
Ballasted • The JM EPDM Protective Stone Mat is typically installed between the overlying ballast or pavers and the JM EPDM roofing membrane. • Refer to JM EPDM applicator guides or detail drawings for instructions. Packaging and Dimensions Roll Size 15'' wide x 300'' long ( m x m) Material Weight oz/yd2 ( g/m2) (nom)
Traditional forms of ballast carried inside the hull were stones or sand. Sailing ballast is used in sailboats to provide moment to resist the lateral forces on the sail. Insufficiently ballasted boats will tend to tip, or heel, excessively in high winds. Too much heel may result in the boat capsizing. If a sailing vessel should need to voyage ...
The need for speed and power is just as important off the racetrack when it comes to collaborating with roofing contractors for ballast removal and reballast around reroofing projects. Case study: Kentucky Speedway ... RK HydroVac, Inc. is a specialized service company with over 35 years dedicated to providing an environment conducive to ...
A "ballasted roof" generally refers to a single ply roof membrane that is held in place against wind uplift by loading the surface with either stone ballast or pavers. The membrane for such systems is usually not attached to the substrate, although some systems do have supplementary perimeter attachment. Since the ballast is the primary ...
It can perform well in high winds if it is adequately embedded into the asphalt matrix, or is on a roof with a high parapet. Builtup roofs are designed to be fully adhered to the underlying roof matrix, either the roof deck or insulation that is above the roof deck. The stone used for (singleply) ballast has been sized using ASTM D448.
Stone Ballast Roofs. If you''ve ever seen a flat roof covered with gravel and wondered why, the answer is simple – it''s there to keep the roof in place. Stones have been used as roofing ballast since antiquity, and in its modern form, stone ballast goes back to at least the 1970s.
Wraxalls roofing shingle is a clean natural material with a good visual impact, powerscreened to industry standards. This is an alternative size for most ballasted flat roofs with a higher windload. Easy to spread, the material provides good insulation and drainage and is ideal to walk on during roof inspections.. More Text Images...
Roof areas subjected to different wind action require varying amounts of ballast. The amount of ballast varies from 50 to 65 kg/m² (10 to 13 psf) in conventionally looselaid, gravel stone ballasted .
White Ballast A1Grit Ballast is a natural, smooth, waterworn and screened large gravel used for many applications. White Ballast can range in size from 2 1/2 3/4 inches and can be made to meet various ASTM standards. Our roofing Ballast is commonly installed over membrane and singleply systems at pounds per square.
Ballasted EPDM roof systems have been a sustainable option for decades by Ronald L. Goodman B Before sustainability became a popular concept in building design, ballasted EPDM roof systems were widely used. Dating to the 1960s, this timetested, reliable roof system still offers more sustainable features than many systems currently available.
Sep 19, 2019· The Purpose of Stone or Gravel Ballast on a Flat Roof Roberts Roofing. The Purpose of Stone or Gravel Ballast on a Flat Roof. Published by Justin on September 19, 2019 September 19, 2019. It is not unusual to find a gravel top coat on commercial roofing systems. Though primarily confined to builtup asphalt roofing systems, it can be applied to ...
ASTM D 448 Naturally round, grey and tan granite. Used in roofing applications.
Ballast Tar Gravel Roofing. 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.
Wind Design Standard for Ballasted Singleply Roofi ng Systems Approved December 3, 2008 page 3 Parapet Height The parapet height for conventional ballasted roof systems (See Section for defi nition) is the distance from the top of the roof system membrane to the top of the parapet (See Figure 5A, C, and D).
Jul 29, 2008· Thick stone ballast roofs are almost imposible for an effective IR scan. However, if the ballast is small pea or pebble size rock, then it should be ok. The large stone ballast has such a large thermal mass that the wet insulation below doesn''t alter the temp of the stone over the area enough to produce a reliable scan.
Ballasted flat roofs are a popular choice, especially for commercial buildings. Additional benefits of ballast on a flat roof. The gravel in a ballasted roof helps absorb heat, preventing the sun from heating the roof materials below and making the roof more energyefficient. (Sources: WATERPROOF! Magazine and Roofing Southwest.) Although ...
Reconstructed Stone® ... Hanover® manufactures two types of Roof Ballast Pavers – Standard Pavers for Walkway and Ballast and Lightweight Ballast Pavers. The Standard Ballast Paver is stocked in a Natural color and a nonslip Diamond finish. A wide range of sizes are available. Unlike river gravel which has been known to be hazardous ...
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