The Dow Chemical Co. has agreed to purchase the assets of the Celotex Corp.'s rigid foam insulation business. The purchase includes all Celotex brand polyisocyanurate insulation products for ...
DENVER, CO--(Marketwire - Oct 9, 2012) - ACH Foam Technologies applauded the decision by the National Roofing Contractors Association (NRCA) to revise the R-value of polyisocyanurate (ISO) insulation.
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