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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.
Tectura Designs is a manufacturer of premier architectural products including pavers, site furnishings, custom precast concrete, custom precast terrazzo and terrazzo tile. Tectura is the choice for the world''s leading architects and designers, and its unrivaled custom capabilities help bring any vision to life. Learn more at
Single Ply and IRMA Systems Rock Vacuum. Our Rock ballast vacuuming services will remove all " to " river rock from singleply roofs. By removing ballast this way rather than traditional shovels, wheelbarrows, and chutes, you remove the most laborintensive portion of ballasted singleply tearoffs.
The wind resistance of ballasted membrane roof systems is determined largely by the size and weight of the ballasted used. ANSI/SPRI RP4 provides a method for the wind design of ballasted singleply membrane roof systems and includes specific guidelines for the size and weight of aggregate used as ballast.
Commercial 1 3/4 Roofing Natural Gravel is produced to commercial requirements. Usage Guide: The 1 3/4 Roofing Natural Gravel should be evenly spread over .
Conventional Ballasted Roof System – consists of membrane or membrane and substrate material looselaid over a deck using ballast to hold the system in place. Protected Membrane Ballasted Roof System – consists of a roof deck, with or without insulation, over which the membrane is installed.
Pedestal Systems Effectively draining water from a roof or plaza is a critical issue for every building. By using an elevated paver system, water is channeled away from the roof surface, reclaiming lost space.
Sep 19, 2019· Roberts Roofing, a commercial and industrial roofer in Cleveland, Ohio, explains the purpose of stone and gravel as ballast on a commercial roof. Roberts Roofing, a commercial and industrial roofer in Cleveland, Ohio, explains the purpose of stone and gravel as ballast on a commercial roof.
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. Ballast is a natural product that does not require any chemicals in manufacturing and is fireresistant.
A wide range of sizes are available. Unlike river gravel which has been known to be hazardous, pavers used as ballast or walkways provide a durable, safe method of protecting the roof system. Lightweight Ballast Pavers can be used when the roof will not accommodate the load of a standard paver.
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. However, other ballasted systems use pavers, which are easier to walk on and can be ...
A ballasted roofing system normally consists of riverrock ballast over a ... maryland river rock for ballast Crusher South Africa... (2995 Ratings) ... ornamental roof ballast river rock. What is the SRI value of light gravel used on roof buildup ... roof gravel river stone prices. ornamental roof ballast river rock
hanover roof river rock ballast Roof Vac Plus is the first choice in removing rock for your reroof projects. Whether its ballast river rock, or pea gravel from built up roofs, Roof Vac Plus is the upper Midwest leader. Whether its ballast river rock, or pea gravel from built up roofs, Roof Vac Plus is the upper Midwest leader.
Ballast Specification ETA0401 Ballast Specifications This document is uncontrolled when printed. Version Number: Date Reviewed: 16 Jan 19 Page 4 of 7 6 Ballast Specifications Rejection of Proposed Ballast Material Igneous or other rock, displaying minerals considered to be harmful to the overall performance of
Aug 05, 2014· Call SureCoat Systems at 877/ or go to for information or a material quote. This is a SureCoat Systems'' coating Howto roof .
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.
EPDM Ballasted Roofing Systems Brochure. 4page brochure outlines the many features and benefits of a ballasted EPDM roof system. Modified: 06/25/2015. Region. English. English Preview Download English PDF. EPDM TPO FleeceBACK PVC Insulation Skylights Roof ...
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.
Ballast removal and reballast, or "swapout" as some call it allow you to save on the cost of purchasing new ballast for your repair or reroof jobs. This process begins with vacuuming all 1" to " river rock from singleply roof systems. The roofing contractor will have an area onsite to stockpile the vacuumed gravel to be used in ...
Ballast Pavers ™ Ballast Paver™ is the easiest Lightweight concrete paver to install and is designed to interlock with one another forming a ballast system that effectively secures singleply roofing membranes. Ballast Paver™ can be used as a walkway, perimeter ballast, or can fully cover a roof for ultimate protection from wind and UV ...
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.
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).
Ballasted roofing systems rely on weight installed on top of the membrane to hold the membrane and the insulation below it still and in place. In most cases rock (smooth river worn rock) is the ballast applied over the membrane to weight it down; however, concrete pavers and garden roofs operate under the same principals holding the roofing ...
> Prest Roof Pavers by Hanover Architectural Products, Inc., Hanover, PA. ... J. RiverRock Ballast: River washed rock used to ballast the insulation assembly shall meet the ASTM D 448 #57 requirements. Diameter of the rock particles shall maintain a nominal 3/4 inch to a maximum 11/2 inch range. ... Parapro Plaza Deck Guide Specification ...
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