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Rounded Pebbles, Ballast. A wide selection of naturally rounded or tumbled pebbles and gravels are available in numerous sizes and colours. Used primarily to weigh down and anchor roofing components, such as insulation sheets, these products also provide a highly decorative finish whilst minimising damage to the roofing substrate due to their ...
Ballast roofing provides an aesthetically pleasing overall look. Ballast roofing is a fire-resistant, sustainable, and energy-efficient roofing system, as it absorbs heat but doesn't let it pass through. The upkeep and BUR repairs are simple, as you …
Stone sizes were a nominal 1 1/2-inch (38-mm) diameter. One roof section had 10 pounds per square foot (49 kg/m2) of stone, the minimum allowed for ballast. Another roof section had 17 pounds per square foot (83 kg/m2) of ballast, and the third roof section featured 24 pounds per square foot (117 kg/m2).
Ballasted roofs, their stone version at least, have been around for a few decades now (since the 70s). They are similar to built-up roofs, but with a few major distinctions, such as using much larger stones (1 inch in diameter at least) and this …
This ballasted retail building roof experienced ballast and membrane displace-ment. but the parapet wall kept the stones on the roof. Code officials concemed about stone ballast size can have stone screened accord-ing to AS1M D 448. However. a relatively quick measure of stone size can be accomplished by laying a ruler on the stone and ...
2.1 Ballast In roofing, ballast comes in the form of large stones, (typically river bottom stone ¾ in. to 1½ in. diameter, size No. 4 per ASTM D448 "Standard Sizes of Coarse Aggregate" or ASTMD7655/D7655M-12 "Standard Classification for Size of Aggregate Used as Ballast for Membrane Roof Systems") or
The Features. BUR's and Ballast Roofing Systems (BRS's) are topped with rocks. But the former uses a very thin layer of crushed stone or pea gravel that is not larger than 1/4th inch in diameter. This is partially-embedded into a topcoat of asphalt in order that it be protected from the sun's UV rays. Contrastingly, some ballasted systems ...
Protected Membrane Roof - Stone Ballast One of the advantages of using MM6125® in a Protected Membrane Roof Assembly (PMR) is that once the membrane is installed owners and designers can take advantage of various ballast options (gravel, pavers …
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.
In this case, a particularly high quantity of ballast can be flexibly distributed over the rails. For roofs with a lower load-bearing capacity and roof superstructures on which longer rails cannot easily be laid, the triangles are attached directly to ballast blocks/stone slabs.
Seal Roofing offers roof vacuuming services, either as a free service for any roof repair job or as an individual service if you need to replace your stone or gravel for any reason. You can expect a fast, efficient ballast rock removal from our experienced team so you can get back to business as usual.
The Purpose of Stone or Gravel Ballast on a Flat Commercial or Industrial Roof It is not unusual to find a gravel top coat on commercial or industrial roofing systems. Though primarily confined to built-up asphalt roofing systems, it can be applied to …
Ballast removal and re-ballast, or "swap-out"allows you to save on the cost of purchasing new ballast for your repair or re-roof jobs. This process begins with …
Ballasted EPDM roof systems have been a sustainable option for decades by Ronald L. Goodman B ... held in place by river-washed stones or pavers. Bal - lasted roofs are loose-laid, meaning roofing materials, including the insulation and roof membrane, are not
pedestrian walkway, Roof Ballast Pavers make roof inspections safer and easier compared to stone ballast. When installed to completely cover the protected membrane, they shield the membrane from punctures, cuts and ultraviolet ray damage. FINISH : DIAMOND COLOR : NATURAL Diamond is a ballast paver finish. It is not recommended for aesthetic ...
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 ...
Ballast. Here at Builder Depot we supply high quality Ballast which consists of a mixture of sand and 20mm stone. Our 20mm ballast is very versatile and offers a cost-effective solution to a wide range of construction projects such as making concrete for paths, fence posts, concrete floors and even foundations for a building. 2 Items Found.
Ballasted roofs are durable and long lasting. The roof tends to flex a little better under the expansion and contraction of heat and cold, making it a bit more durable. Stones or concrete pavers protect the waterproofing layer from UV rays, hail, and foot traffic. The loose-laid layers in a ballasted roofing system are easily taken up making ...
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 loose-laid, gravel stone ballasted single-ply assemblies. Ballast is assumed to be round, 38 mm (1.5 in.) or 64 mm (2.4 in.) smooth stone consisting of ballast gradation sizes #2 ...
To further clarify the Cool Ballasted roof system, the submittal states that the roof system to be installed to the national standard ANSI/SPRI RP-4, "Wind Design Standard for Ballasted Single-Ply Roofing Systems." This standard defines the stone and paver types that can be used with single-ply systems and the minimum weights required to ...
The Perfect Ballast Stone. Ballast Stone is also known as railroad ballast, walking ballast, mainline ballast, shortline ballast, yard ballast, AREMA ballast, AREMA 4a and AREMA 5 ballast. This material is used primarily for railroads as mainline ballast or cross walk material. Because the purpose of Ballast Stone is to improve drainage.
Overview. Steel deck with loosely laid single-ply membrane, ballasted with stone, depending on uplift requirement with/without cover board or slip sheet, XPS insulation over gypsum board thermal barrier and the metal roof deck. Get all the construction documentation you'll need, in a single click:
The Purpose of Stone or Gravel Ballast on a Flat Commercial or Industrial Roof It is not unusual to find a gravel top coat on commercial or industrial roofing systems. Though primarily confined to built-up asphalt roofing systems, it can …
There are still many roofs that are covered with stone. What is the stone doing? TPO, EPDM Rubber and Torch Down roofs do not automatically come with Ultravi...
In a ballasted roof, the stones are much larger—at least an inch in diameter—and applied much more heavily. In fact, the weight of the stone "ballast" is the only item holding the roof components in place. The weight can vary from 10 pounds per square foot (the minimum allowed by code) to 25 pounds or more.
Gravel ballasted roofs with Sikaplan® or Sarnafil® single ply membranes are conventionally installed. The single ply membrane and other roof components, including thermal insulation, are loose laid. The buildup is ballasted with a gravel layer of at least 50 mm and 80 kg/m 2. The gravel ballast secures the roof waterproofing against wind ...
White Ballast. A1-Grit Ballast is a natural, smooth, water-worn 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 single-ply systems at 1000-1500 pounds per square.
