Our CGSB Vapour Barrier is designed to withstand the toughest conditions and hold back any moisture from penetrating through the film.
Available in the following sizes:
- 6mil – 10′ x 100′ and 20′ x 100′ (Clear)
- 10mil – 10′ x 100′ and 20′ x 100′ (Clear)
Our CGSB certified Vapour barrier is a special purpose construction film to be used as a long lasting vapour barrier. This product is made in Canada and is produced from Virgin polyethylene resin which comes with UV additives that prevent against premature degradation and ensure resistance to UV light.
Our Vapour Barriers meet or exceed the minimum physical property requirements set forth in the following specifications and standards:
- CGSB Standard CAN/CGSB-51 34-M86
- National Bureau of Standards Voluntary Product Standard PS 17-69
- Federal Specification LP 378D, Type 1, Class 1, Grade A, Finish 1
- ASTM E-96-90, requiring that water vapor permeance shall be no greater than 1.40 grams per 100 square inches per 24 hours for film 1 mil thick, inversely proportional for other thicknesses. Expressed in perms, not to exceed:
- .006” (6 Mil) 0.13 Perms
- .010” (10 Mil) 0.076 Perms
- .015” (15 Mil) 0.057 Perms
- .020” (20 Mil) 0.038 Perms
- ASTM C-156, Moisture Retention, requiring that loss of water will not exceed 0.055 G/CM2
- ASTM D-882-91 Method A, requiring the following mechanical properties
- Tensile Strength, psi – 1700 Lengthwise and 1200 Crosswise
- Elongation, % – 350 Lengthwise and 225 Crosswise
- Federal Specification LS-137, requiring no evidence of fungus growth
- ASTM E154-68, Methods of Testing Materials for use as Vapor Barriers under Concrete Slabs and as a Ground Cover in Crawl Spaces
- ASTM 4635-95, Standard Specification for Polyethylene Film for General Use and Packaging Applications