This is to certify that all the Construction and Agricultural films will meet or exceed the minimum physical property requirements set forth in the following specifications and standards:
- National Bureau of Standards Voluntary Product Standard PS 17-69: COMPLIES
- Federal Specification LP 378D, Type 1, Class 1, Grade A, Finish 1: COMPLIES
- American Society for Testing and Materials ASTM D 4397-91 Standard Specification for Polyethylene Sheeting for Construction, Industrial, and Agricultural Applications: COMPLIES
- 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:
.001” (1 Mil) 0.76 Perms .008” (8 Mil) 0.10 Perms
.002” (2 Mil) 0.38 Perms .010” (10 Mil) 0.076 Perms
.004” (4 Mil) 0.19 Perms .015” (15 Mil) 0.057 Perms
.006” (6 Mil) 0.13 Perms .020” (20 Mil) 0.038 Perms
COMPLIES
- ASTM C-156, Moisture Retention, requiring that loss of water will not exceed 0.055 G/CM2: COMPLIES
- ASTM D-882-91 Method A, requiring the following mechanical properties:
Lengthwise Crosswise
Tensile Strength, psi 1700 1200
Elongation, % 350 225
- Federal Specification LS-137, requiring no evidence of fungus growth: COMPLIES
- Minimum requirements set forth in Federal Specification UUP-147B and F.H.A. Bulletin UM20A: COMPLIES
- American Society for Testing and Materials, ASTM D2103-86: COMPLIES
- ASTM E154-68, Methods of Testing Materials for use as Vapor Barriers under Concrete Slabs and as a Ground Cover in Crawl Spaces: COMPLIES
- ASTM 4635-95, Standard Specification for Polyethylene Film for General Use and Packaging Applications: COMPLIES
WHITE AND CLEAR 4 MIL (.004”) FILM ONLY:
12. ASTM C171-69, Standard Specification for Sheet Materials for Curing Concrete: COMPLIES