HomeMy WebLinkAboutFile Documents.1010 E Hyman Ave.0008-2022-BROF (7) VERSASHIELD' UNDERLAYMENT PRODUCT SPECIFICATIONS
Prescriptive Requirements Specification Test Method Reference
Packaged: Roll
Linear Feet/roll 100 ft. minimum ASTM D 146
Roll Width 42 in., 0.7% ASTM D 146
Area per roll 350 sq. ft. minimum I ASTM D 146
Roll Weight 52.5 lb. minimum ASTM D 146
Fabric Weight 15 lb. per 100 sq. ft. min. ASTM D 146
Loss on ignition Maximum of 25% TAPPI T-1013 0M92
Performance Requirements
Average Breaking Strength @ 77 2 degree F. (Tensile Strength)
MD 60 lbf minimum ASTM D 146/D 828, 1"x 5"samples
CD 30 lbf minimum ASTM D 146/D 828, 1"x 5"samples
Tear Strength @ 77 2 degree F
MD 400 grams minimum D 1922,2.5"x 3"samples
CD 550 grams minimum D 1922,2.5"x 3"samples
Water Vapor Transmission 3 minimum E 96
permeance, perm
Liquid water transmission test Pass D 4869
VERSASHIELD CLASS A RATING LAYER REQUIREMENTS
Material Roof Type Min. Thickness 15/32" Plywood Existing Wood Spaced
Shake/Shingle Sheathing
Stone Coated Steel Direct to Deck 0.013" 1 Layer N/A 1 Layer
Shingle
Steel Direct to Deck 0.013" 1 Layer+30 Felt N/A 1 Layer+30 Felt
Shingle
Any Steel Batten Required 0.013" 1 Layer 2 Layers 1 Layer
Shingle
Any Steel Panel or 0.015" 1 Layer N/A 1 Layer
Standing Seam
Any Copper Panel or 0.016" 1 Layer N/A 1 Layer
Standing Seam
Any Copper Shingle 0.016" 1 Layer+30 Felt 2 Layers 1 Layer+30 Felt
Aluminum Panel or Shingle 0.018" 2 Layers N/A N/A
NOTE:VERSASHIELD IS AN APPROVED ALTERNATIVE TO#15 AND#30 FELT AS AN UNDERLAYMENT FOR ASPHALT SHINGLES.FOR LOW SLOPE
APPLICATIONS,2/12 OR 4/12,OR WHEREVER LOCAL CODES REQUIRE, USE TWO LAYERS.
VERSASHIELD* CLASS B RATING LAYER REQUIREMENTS
Material Roof Type Min. Thickness 15/32" Plywood Existing Wood Spaced
Shake/Shingle Sheathing
Steel Direct to y Layer
Shingle0.013" 1 Layer N/A 1 La er
Any Steel Batten Required 0.013" N/A 1 Layer N/A
Shingle
Any Copper Shingle 0.016" 1 Layer 1 Layer 1 Layer
Any Aluminum Panel or Shingle 0.018" 1 Layer 1 Layer RECEIVED
WHEN INSTALLED IN ACCORDANCE WITH SECTION 2.4 OF ELK'S ICBO ES ER 5627,VERSASHIELD UNDERLAYMENT CAN BE USED AS fer(12 P.2 2
TO THE COVERING MATERIALS SPECIFIED IN SECTION 1516.3 OF THE UBC APPENDIX AND SECTION 1510.4 OF THE IBC OR SECTION R 0077�a OOFF
ASrE1r
BUILDING DEPARTMENT