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.
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 energy-efficient. (Sources: WATERPROOF! Magazine and Roofing Southwest.) Although ...
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.
Wraxalls roofing shingle is a clean natural material with a good visual impact, power-screened to industry standards. This is an alternative size for most ballasted flat roofs with a higher wind-load. Easy to spread, the material provides good insulation and drainage and is ideal to walk on during roof inspections.. More Text & Images...
Is your roof covered with ballast stone that you need removed? Are you looking for a faster, less labor intensive way to remove the stone, cleanse, and prep the roof for a new roofing type? Roofworx offers roof vacuuming services to our clients, as an efficient and effective way to clear the roof surface with minimal damage and time.
Jan 15, 2015· Roofing System Guide: Ballasted Roofing Systems January 15, 2015 By Russell Steel With Comments are off for this post. ... Finally, all the ballast stone and/or pavers are laid-down across the roof system. Typically 10 to15 pounds of ballast/square foot are installed on the roof.
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 built-up asphalt roofing systems, it can be applied to ...
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.
Wind Design Standard for Ballasted Single-ply Roofi ng Systems Approved December 3, 2008 page 3 2.9.2 Parapet Height The parapet height for conventional ballasted roof systems (See Section 2.2 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).
Nov 02, 2011· This is an example of Roof Vacuuming / Ballast Removal provided by Sunbelt Vacuum Service, The nationwide leader in roof and industrial vacuum service. 1.800.203.9053.
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.
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 (4.57 m x 91.44 m) Material Weight 7.0 oz/yd2 (237.34 g/m2) (nom)
ASTM D 448 - Naturally round, grey and tan granite. Used in roofing applications.
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 ...
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.
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 re-ballast around re-roofing projects. Case study: Kentucky Speedway ... RK HydroVac, Inc. is a specialized service company with over 35 years dedicated to providing an environment conducive to ...
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, off-white and beige quartzite. Used in roofing applications. Color: Off-White & Beige.
Ballast Options and Flexibility. 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 and Garden Roof®) to suit a specific project's needs.
The dead load weight of field-applied stone ballast varies dramatically. Total Roof Protection: ROOFBLOK Ballast Pavers create a smooth, nonskid, walkable surface that permits foot traffic on maintenance, patio and terrace areas while protecting against scouring, vandalism, hailstones, ultraviolet rays and other forces that might tear, puncture ...
WATERPROOF! Magazine reaches virtually every segment of the waterproofing industry. Coverage includes: Residential Below Grade – Spray-applied foundation sealants, self-adhered sheet goods, footing drain tiles, dimple membranes and sump pump systems, crack repair, carbon fiber straps, piering, basement finishing, crawl-space, mold remediation, and moisture management.
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 .
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.
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. Built-up 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 (single-ply) ballast has been sized using ASTM D448.
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.