Roofing Materials Left: Workers apply a roll of EPDM Membrane Right: TPO Systems are heat welded for a permanent seal Columbia Roofing and Sheet Metal carries a variety of roofing materials to address your particular roofing needs, ranging from long-lasting modified bitumens and single ply membranes (such as EPDM, TPO and PVC), to shakes, shingle and standing seam metal roofing. Refer to our Links page for a complete listing of manufacturers for whom we are authorized applicators.

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