New ICC-ESR-1681 Listing For Non Insulated Duct & R-4, R-6, R-8, R-10, R-12 Duct
ESR-1681 Final Report
New Resin Product Unveiled!
Spunstrand is proud to introduce the new Gold Standard Resin for the underslab duct market. For over 60 years, Spunstrand’s green duct has been the original, and leader of the code standards for non-metallic, direct bury, underslab duct. An upgrade in our resin system allowed us to evaluate the need for adding green pigment to […]
News On Blue Duct Fight
ICC-ES Updates Listing Criteria for Underground Plastic Air Ducts (LC1014) NOTE: These Changes Do Not Impact Spunstrand’s ICC-ES Listing, Nor Status After months of work reviewing possible changes, the ICC-ES has finally decided that there is in fact a difference between an R-value (as tested and determined by ASTM C518) and a thermal distribution efficiency […]
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