MASCO Catalog: Construction Liquid and Powder

Read manufacturers' data sheets for complete specifications, installation procedures, and MSDS precautions. Warning : Chronic health effect possible—inhalation of silica dust may cause lung injury/disease (Silicosis). Take appropriate measures to avoid breathing dust. See page 179-180 for more information. 39 MASONS SUPPLY COMPANY Oregon (800) 537-3407 ♦ Washington (800) 537-6216 ♦ www.MASCO.net Clackamas | Eugene | West Eugene | Hillsboro | Medford | Portland | Salem | Ridgefield | Seattle | Tacoma | Woodinville Weld-Crete Description : Weld-Crete, the original chemical concrete bonding agent, incorporates polyvinyl acetate homopolymer in the patented formulation. Can be painted on in a single application, 1–10 days prior to concrete placement. Use Weld- Crete's open time to your advantage in bonding to concrete shear walls, where you need a time lapse between application on bonding agent, placement of reinforcing steel, placement of formwork and placement of concrete. Color is blue (non-bleeding). Application : For exterior and interior use, Weld-Crete will bond new concrete, portland cement plaster, and cement mixes to structurally sound concrete floors, walls, columns, beams, steps and ramps. Also used for bonding setting beds for ceramic tile and for bonding portland cement plaster and stucco mixes; and to bond to such surfaces as brick, block, tile and metal. Applicable Standards : ASTM C-932: ASTM C- 631: Military Specification, MILB-19235C(YD): General Services Administration Specification for Bond Adhesive; Corps of Engineers Specification CE-240.01. Coverage : 200–300 ft²/gal, approximately, depending upon method of application, temperatures, porosity, and texture of the substrate. No. Size WC 1GWC 1 gal. pail, 4/case, 40 lbs. WC 5GWC 5 gal. pail, 50 lbs., 36/pallet RE-EMULSIFIABLE Latex Bonding Agents