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Roofing Southwest - What is a Ballasted Roof System?

In many cases, ballasted roofing also uses pavers in places of heavy traffic or even over the entire surface of the roof. Because a ballasted system is loose-laid, with plate and fasteners installed here and there to prevent excess movement, the installation is extremely simple and quick.

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Quick Reference: Weight of Roofing Materials — Roof Online

The following table provides typical weights for various roofing materials.Where possible, the values were taken from manufacturer technical data sheets and are the actual weights of .

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Ballasted Roof Dead Load - Structural engineering general ...

For roofing terminology, this is not referred to as a "ballasted" roof since the built-up roof is bonded to the substrate. 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.

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JM Peak Advantage Guarantee Charges and Requirements ...

JM Peak Advantage Guarantee Charges and Requirements — Single Ply Effective 8/13/2019 General Requirements These general requirements govern the membrane specific guarantee charges and requirements for each membrane and application method. Please refer to the individual requirements as noted on each guarantee charges and requirements page.

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PermaTEC Inverted Ballasted from SIG Design Technology

The PermaTEC Inverted Ballasted Roof provides a "protected membrane" system which usually incorporates insulation. PermaTEC is fully bonded to the structural deck and covered by insulation (XPS or Modified EPS), which is covered by a separation layer and a ballast of stone pebbles or concrete pavers. ... The Single Ply Roofing Industry ...

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Elastomeric Roofing—EPDM

ANSI/SPRI RP-4 addresses concerns with all single-ply ballasted roof systems, not just EPDM. In brief, larger ballast stones at greater weight (i.e. 20 psf instead of 10 psf) can be used in corners, perimeters, or even the entire roof, when desired. Adding parapets greatly improves both wind resistance and the possibility of wind scour.

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Flat roof - Wikipedia

Thermoplastic Polyolefin single-ply roofing. This roofing material can be fully adhered, mechanically fastened, or ballasted. TPO seam strengths are reported to be three to four times higher than EPDM roofing systems. This is a popular choice for "Green" building as there are no plasticizers added and TPO does not degrade under UV radiation.

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Why Put Gravel on a Flat Roof - The Purpose of Gravel on ...

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 single-ply roofs inherently have sun-protective qualities, ballast provides an extra layer of protection from UV rays.

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What is Single-Ply? - WeatherBond Roofing

What is Single-Ply? Single-ply is wide width sheeting meant for low slope roofs. ... Ballasted. Quick and easy installation makes this system an economical choice for large, open rooftops. Learn More. Mechanically Attached. An upgrade from ballasted systems, this system is lightweight and easy to .

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Steel Roof Deck – Owens Corning - Sweets

Owens Corning Steel Roof Deck Single Ply Ballasted Roof System / Steel Deck In a Steel Deck roof system with Ballasted Single-Ply Insulation, ballast holds .... Learn more at Sweets today.

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ANSI SPRI RP-4-Wind-Design-Standard-for-Ballasted-Sinlge ...

Oct 19, 2018 · ANSI SPRI RP-4-Wind-Design-Standard-for-Ballasted-Sinlge-Ply-Roofing-Systems Corrected. by SPRI ... Failure Due to Wind Damage polypropylene Polyurethane pvc RCI RCIFoundation RCI Foundation Research RICOWI Roofing Safety sbs Single Ply standards styrene-butadiene-styrene substrate Techniques thermoplastic thermoset Weather wind ...

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Cost of Single-Ply Membrane Commercial Roofing (2017 ...

Cost of Single-Ply Membrane Commercial Roofing (2017) Our sales team is asked every day, "How much does a single-ply membrane roof cost?" and it's not easy to give just one answer. There are many factors that can affet rubber roofing prices; from the weather to .

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Single-Ply Roofing: Installation Considerations

Likewise, a ballasted roof features a layer of gravel, washed river rock or paving stones, placed over the single-ply membrane to secure it. The ballast also protects the membrane from harsh UV rays and can do double duty as a roof-top plaza, patio or garden spot, if desired. Induction Welded Roof Installation

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Ballasted Roof Systems: Costly Issues You Should Understand

Ballasted roof systems are simultaneously a roofer's best friend and arch nemesis. Simply put, a ballasted roof is easy to install and basically guaranteed maintenance work for a roofer. Somebody walking on the roof will undoubtedly step on the ballast and put a hole in the membrane. Holes mean roof leaks and roof leaks mean call the roofer ...

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Westile Roofing Ballast Paver Lightweight and Easy to Install

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 single-ply 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 ...

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GAF | Single-Ply Roofing Systems

Membrane is suitable for use in all types of single-ply systems: Mechanically Attached, Ballast Applied, Fully Adhered. Fire Barriers. Fire Barriers help reduce flame spread and protect your property. Slip Sheets. A slip sheet is used as a protection layer in single-ply roofing systems.

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Single Ply Roofing Systems (EPDM) Ballasted Guide ...

Single Ply Roofing Systems (EPDM) Ballasted Guide Specification 1.0 General 1.01 Description A. Scope 1. Furnish and install a JM EPDM Ballasted Roofing Membranewith flashings and all other incidental and accessory items to comprise a roofing system.

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RSI: Evaluating Ballasted Single-Ply Roof Systems - EPDM ...

August 1, 2006 "Stone-ballasted membranes constitute about 10 percent of all newly constructed built-up and single-ply roofing systems, and many older systems continue to .

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Ballast Can Do It All - BUILDINGS

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 ...

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Home - SPRI

behalf of the single-ply industry. Jeffrey Steuben. Cool Roof Rating Council. We enable every member. SPRI's membership includes companies from all aspects of the single-ply roofing industry dedicated to improving the industry through cooperation. View Members Directory. Our recent stories.

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Roofing Systems | WBDG - Whole Building Design Guide

Single-ply sheets are factory-fabricated and installed in a single thickness. Single-ply membranes are relatively easy to install on steep or complex roof slopes. In comparison to BUR or membranes, they are also very lightweight (except for ballasted systems).

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