Cement Board, Building Paper, Flashing, Polyfilm & Tape

Our Miscellaneous Building Materials section is an assemblage of products for our many Plaster, Stucco and Drywall customers. These products include; Polyfilm, Water Wick and a large assortment of various Masking and Protective Tapes.

DuPont Tyvek Protective Membranes

DuPont Tyvek high performance protective membranes offer solutions for the protection and energy efficiency of residential and commercial buildings. We stock the Tyvek Commercial Wrap and Tyvek Stucco Wrap products…

PermaBase Cement Board

PermaBase® BRAND Cement Board is a rigid substrate made of Portland cement, aggregate and glass mesh that provides an exceptionally hard, durable surface that is able to withstand prolonged exposure…

USG Cement Board

Cement Board is a high-performance, water durable and mold-resistant backer for use in interior and exterior applications. Commencement Bay carries a wide variety of dimensional sizes in 3 thicknesses from…

JDR Concrete Expansion Joint

Asphalt impregnated fiber expansion joint by JD Russell Co is available at Commencement Bay in sizes of ½” thickness by 2”,3”,4” & 6” deep by 10 foot long.

Polyken Tape-Masking, Protective & Duct

#221 Polyethylene coated high performing sealing tape which is solvent resistant and water proof has a natural rubber adhesive. Used in various applications including masking of surfaces in construction. Other…

Bron Tape-Masking, Protective & Duct

Bron provides a wide variety of value-driven and professional grade products for the many demanding needs around the construction industry. Commencement Bay carries Bron’s Stucco Tape as well as Duct…

3M Tape-Masking, Protective & Duct

Commencement Bay offers a complete line of 3M tape for most construction needs – from 3M’s #2090 Scotch Blue Painter’s tape to #2080 Delicate Surface masking tape. Other 3M products…

Water Wick Temporary Downspout

Tacoma-area manufacturer of polypropylene products makes the Temporary Downspout known as “Water Wik” A single roll consists of 300 lineal feet of tubing designed for 4” downspout drain fittings. In…

Ma Ka Blue Stripe Reinforced Polyfilm

The perfect all-weather building enclosure, a multi-purpose tarp; these reinforced films have an amazing tensile strength in ALL directions! Top quality blown film combined with Hi-Tenacity yarn produce all-around toughness…

Poly-America Polyfilm-Regular & Reinforced

Poly-America produces some of the highest-quality polyethylene construction film available. Commencement Bay offers clear and black rolls with thicknesses between 1mm – 6mm and widths to 40 feet. Most rolls…

Fortifiber

Flexible flashing products developed by the Fortifiber Building Systems Group have set the industry standard for materials that effectively protect windows, doors and other areas of penetration from water intrusion…

Quickflash

Quickflash Weatherproofing Products, Inc. is the FIRST and ONLY Company in the world to provide the building industry with the ultimate solution to weatherproofing Plumbing, Electrical, Gas and HVAC exterior…

York Flashing Products

York was established in 1933 and is the original innovator in the field of through-wall flashings. York invented copper fabric flashing and we have continued to innovate flashings that meet…