In California / Nevada cooling zones, NT Perforated Reflective Foil is extremely effective in rejecting summer solar gain in roofs.
Method 1
Radiant Warm Weather
Method 2
Radiant Cold Weather |
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PRODUCT SOLUTION: TVM NT Radiant Barrier rFoil
- Methods 1 & 2 - Use NT Radiant Barrier rFoil (1800-48-125).
PRODUCT DESCRIPTION:
- NT Radiant Barrier Foil - a single layer of woven polyethylene material bonded to and sandwiched between Radiant Barrier Aluminum FOIL Sheets and polyethylene sheet creating a no tear barrier.
PRODUCT EFFECTIVENESS:
- Radiant barriers such as NT Radiant Barrier are now standard components for Title 24 energy code compliance in many zones of California. This product is very effective in reflecting solar (radiant) heat gain. (Title 24 consultants: Radiant barrier evergy credit is an adjustment of ceiling U-Value, which is automatically applied by approved computer programs. Indicate Radiant Barrier on CF-1R under "special features.")
INSTALLATION METHODS:
- Method 1
- 1) Unroll, measure and cut the length of rFoil needed. Roll up each cut.
- 2) Unroll cuts horizontally and staple to rafters.
- Method 2
- 1) Unroll, measure and cut the length of rFoil needed. Roll up each cut.
- 2) Unroll each cut on top of mass insulation in attic. Do not seal the seam. (*Warning: Do not install over mass insulation if vapor barrier does not exist under the mass insulation.
SAFETY NOTE: - Do not lay Radiant Barrier rFoil on exposed electric wiring or boxes.
- Make sure joists and trusses are solid before placing weight on them.
- Dust masks, protective headgear and gloves should always be used while working in an attic.
- Make sure all bath and kitchen exhaust fans vent to the exterior so that moisture does not escape into the attic.
Attic Insulation Information and Documentation
 Note: Some of the links below are to '.pdf' files. This is a file format created by Adobe for presenting graphic and design intensive documents across the Internet. These files can be very large, and slow to download if you do not have a fast Internet connection. If you have a slow connection, and would like to receive a copy of our print or CD catalog, please call us at 1 800-786-6847. If you would like to get the Acrobat Reader application or plug-in (which will allow you to view .pdf files using your browser), click here.
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