Intertek Directory of Building Products

VB Synthetic - Synthetic Roofing Underlayments Company: VB Synthetic Code Compliance Research Reports: CCRR-0352

VB Guardian is a mechanically attached synthetic underlayment comprised of a cross-woven polypropylene base scrim laminated onto a non-woven scrim. The exposed and sheathing sides of the underlayment are coated. The underlayment has an overall weight of 1.76 pounds per 100 square feet and is available in rolls measuring 48 inches wide by 250 feet long. VB Guardian may also be labeled as VB Guardian Plus.

VB Defender is a mechanically attached synthetic underlayment comprised of a cross-woven polypropylene base scrim laminated onto a non-woven scrim. The exposed and sheathing sides of the underlayment are coated. The underlayment has an overall weight of 2.1 pounds per 100 square feet, and is available in rolls 48 inches wide by 250 feet long.

VB Shield is a mechanically attached synthetic underlayment comprised of a cross-woven polypropylene base scrim laminated onto a non-woven scrim. The exposed and sheathing sides of the underlayment are coated. The underlayment has an overall weight of 2.1 pounds per 100 square feet, and is available in rolls 48 inches wide by 250 feet long.

VB Armor is a mechanically attached synthetic underlayment comprised of a cross-woven polypropylene base scrim laminated onto a non-woven scrim. The exposed and sheathing sides of the underlayment are coated. The underlayment has an overall weight of 2.7 pounds per 100 square feet, and is available in rolls 48 inches wide by 250 feet long.

FIRE CLASSIFICATION
 CLASS A Assemblies
ASSEMBLY NO. E108-RFU-54064-01
Slope:          2:12 (min.)
Deck Type:  Combustible
Details:
  • Minimum nominal 3/8 in. thick code compliant exterior grade plywood
  • Single layer of VB Guardian, VB Guardian Plus, VB Defender, VB Shield, or VB Armor roofing underlayment mechanically fastened to the plywood every 12 in. oc in the field and 6 in. oc on the perimeter using plastic cap nails.
  • Asphalt shingles Listed per ASTM D3462 with a minimum weight of 190 pounds per 100 square feet installed per manufacturer's installation instructions.
 
CODE COMPLIANCE RESEARCH REPORT
EVALUATION METHOD BUILDING CODE CCRR NUMBER
ASTM D8257
ICC-ES AC188		 2024, 2021, and 2018 IBC
2024, 2021, and 2018 IRC
2023 and 2020 FBC		 CCRR-0352
 
FLORIDA PRODUCT APPROVAL
Report No. Product Covered
FL No. 20155 VB Guardian, VB Guardian Plus, VB Defender, VB Shield, and VB Armor Synthetic Roofing Underlayments
Listing Report Return to Search
Attributes
CriteriaASTM E108 (2017)
CriteriaICC-ES AC188 (2015)
CriteriaASTM D8257/D8257M (2022)
CSI Code07 30 05 Roofing Felt and Underlayment
Listing SectionROOFING MATERIALS
Spec ID54064
Design Documents
No Results
Code Compliance Research Reports
Public Documents
No Results
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