Pacific Exteriors NW is an apartment and multifamily housing building envelope exterior expert. We offer solutions to water intrusion and the results of the Pacific Northwest’s harsh weather for your commercial building. Professional Siding, Windows, Roofing & More in Portland, Oregon, and Vancouver, Washington. Experienced since 1994, with almost 25 years in the industry, we specialize in the replacement of siding, windows, roofing, water intrusion, mold restoration, and construction defect repair. We also offer to consult for construction claims, insurance claims, and structural engineering. Pacific Exteriors NW staff comprises some of the nation’s foremost waterproofing experts accredited for protecting the exterior building envelope.