Featured Projects Over 30 years’ experience in building envelope sealants, remedial sealants, masonry & concrete restoration, air barriers, deck coating, waterproofing, fire stopping, and expansion joint systems. Washington State Convention Center Sealants / Firestopping SR 99 Seattle Tunnel Expansion Joints / Firestopping Climate Pledge Arena Expansion & Seismic Joints with Cover Plates SODO II Towers Exterior Sealants Esplanade Condominiums Sealant Restoration / Traffic Coating Seattle Stadiums Exterior Sealants, Firestopping, Sealants Africatown Waterproofing, Dampproofing, Traffic Coatings Colman Dock Joint Sealants Seattle Overlook Walk Joint Sealants