CertaSpray ® Enables Timely, Cost-Effective Renovations Spray Polyurethane Foam Shows Versatility in Opryland Renovation Project During the recent renovation of the Gaylord Opryland Resort and Convention Center, spray polyurethane foam (SPF) was used in two different applications to solve unique problems. The first involved insulating a number of guest room walls with CertainTeed’s CertaSpray ® Closed Cell Spray Polyurethane Foam Insu

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