Superior Plus Construction Products Distribution
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about CPD

Construction Products Distribution (CPD) is one of North America’s leading distributors of commercial and industrial insulation and specialty walls and ceiling products. It is the largest distributor of specialty construction products to the walls and ceilings industry of Canada. Through its operating divisions, Winroc in the Gypsum Specialty Distribution segment and Specialty Products & Insulation (SPI) in the Commercial and Industrial Insulation segment, CPD has 118 distribution centers, including 14 fabrication facilities, across North America with a presence in 31 states and eight provinces. Winroc and SPI have business track records dating to the early 1970s and roots reaching back as far as the 1920s.


4949 - 51 Street S.E.
Calgary, Alberta T2B 3S7
Phone: 403-236-5383
Fax: 403-279-0372



1650 Manheim Pike, Suite 202
Lancaster, Pennsylvania 17601-3088
Phone: 717-569-3900
Fax: 717-519-4046