Welcome to the Insulspan® Master Architectural Specifications

Our Master Guide Specification is a resource tool available for architects and builders of SIP construction projects and is used with, and incorporated into, a larger project specification book. Comments and formatting alerts are to help guide design professionals in the SIP building process.

Download the Master Guide Specification by clicking the text link. Please contact us if you have any questions.

We are pleased to announce that we have been acquired by Carlisle Companies Incorporated (NYSE: CSL). With this acquisition, PFB Corp., including its well-established Plasti-Fab and Insulspan brands, joins Carlisle's portfolio as a leading provider of expanded polystyrene (EPS) insulation products in Canada and the United States.

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