A. W. Therrien Co., Inc., is a full service roofing contractor and sheet metal fabricator to commercial, industrial and institutional customers. 
 
Providing professional installation of EPDM, PVC, MODIFIED BITUMEN, BUILT-UP ROOFING and SLATE roofs at competitive prices. 
 
The sheet metal division has the machinery and expertise to fabricate various sheet metal products. Inventory consists of various gauges of COPPER. LEADCOATED COPPER, MILL FINISHED,PAINTED AND ANODIZED ALUMINUM, GALVANIZED STEEL, COLD ROLLED STEEL and STAINLESS STEEL.

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