TRG International
TRG International
Opp Maratha Mandir, Bavdhan, Pune, Maharashtra
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Synthetic Underlayment Roof Runner

Our product range includes a wide range of saint gobain certainteed synthetic underlayment roof runner.

Saint Gobain Certainteed Synthetic Underlayment Roof Runner

Saint Gobain Certainteed Synthetic Underlayment Roof Runner
  • Saint Gobain Certainteed Synthetic Underlayment Roof Runner
  • Saint Gobain Certainteed Synthetic Underlayment Roof Runner
  • Saint Gobain Certainteed Synthetic Underlayment Roof Runner
  • Saint Gobain Certainteed Synthetic Underlayment Roof Runner
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Approx. Price: Rs 15 / Square FeetGet Latest Price

Product Details:

BrandSaint Gobain
Roll Length250 Feet
Roll Width4 Feet
Thickness/nominal (mils)7
Roll Size (Gross sq. ft.)1000
Roll Coverage (Typical net sq. ft.)937.5
Shipping Weight (approx. lb/roll)23

RoofRunnerTM is a synthetic polymer-based scrim-reinforced underlayment designed for use on roof decks as a water-resistant layer beneath asphalt roofing shingles. Follow finished roofing manufacturer’s instructions and all local building code requirements. It has exceptional dimensional stability compared to standard asphalt felt underlayment when wet. Its stability eliminates the possibility of wrinkles caused by moisture related expansion. Standard asphalt felt can become so wrinkled when it picks up moisture that it can sometimes “telegraph” its wrinkles through to the shingles applied over it, creating visually objectionable wrinkles on the finished roof. RoofRunner’s extra-large 4-foot width and 250-foot length helps speed application. It has a special top surface treatment that provides excellent slip resistance, even when wet. CAUTION: Walking or crawling on any roof surface can be dangerous, especially when wet or snow/ice covered. 

Limitations: Do not install Roof Runner as ice dam protection along eaves. Two layers of Roof Runner cemented together is not an equivalent to WinterGuardâ. This product is not designed to be permanently exposed to sunlight or to the weather.

Product Composition: Roof Runner roofing underlayment is based on a tough woven polyolefin reinforcement laminated between layers of specially formulated UV-stabilized polymer films.

Applicable Standards: 
  • RoofRunner conforms to: 
  • Physical requirements of ASTM D226
  • ASTM E108 Class A Fire Resistance – QAI file number B1107-1
  • Conforms to ICC-ES AC188
  • ICC-ES ESR 4103 (Evaluation Report)
  • Texas Department of Insurance (TDI) Approved Synthetic Underlayment
  • Florida Approval FL21841
  • Miami-Dade Product Control Approved 

Storage: Store RoofRunner rolls horizontally on the pallet or standing on end after opened, in a dry, protected area at a temperature less than 120°F.

Deck Preparation:
Provide a clean, dry and smooth deck surface by eliminating dust, dirt, loose nails and other objects. Before application to existing roofs, remove all roofing materials, and then clean the roof deck until it is free of any dirt, dust, nails, and other materials. 

Standard-Slope Application Only (4:12 and Greater):
Starting at the lower edge of the roof, cover the entire deck by applying a single layer of Roof Runner parallel to the leaves, with pointed side facing up. When necessary, overlap all ends (vertical laps) at least 6" and “weather-lap” all sides (horizontal laps) at least 3". Offset adjacent end laps by at least 6 feet. Apply flat and un wrinkled, carefully fastening as described below to hold in place. 

Low Slope Application (2:12 to <4:12 Slopes):
The use of CertainTeed WinterGuard® Waterproofing Shingle Underlayment, or its equivalent, applied over the entire deck surface is required. For low slopes, underlayment equivalents to WinterGuard include: 1) waterproofing shingle underlayments meeting ASTM D1970; 2) in areas not prone to snow or ice, two layers of CertainTeed Roof Runner in shingle fashion (half lap) per the low-slope application instructions below: 

Low slope application instructions for RoofRunner double coverage in shingle-fashion:
  • Install a full 25.5" starter strip along the eaves
  • Install a full 48” wide sheet over the starter strip
  • Apply each succeeding 48” wide courses up the roof overlapping each previous course a maximum of 22.5" exposure (or 25.5” overlap) in traditional “half-lap” installation or in “shingle fashion”.
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Tushar Gholkar (Proprietor)
TRG International
101, Sudha Narayan Apartment
Opp Maratha Mandir, Bavdhan, Pune - 411021, Maharashtra, India

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