No bond failure after 25 consecutive days. To seepage of strong detergents & synthetic urine for 10 hrs. tests for fire resistance.Īcid Resistance 1” concrete slabs bonded to 1/2” gypsum plaster subjected Toxicity Enclosed mice exposed to 30 cc volatilizedįire Resistance ASTM E-119 (bonded assembly). Specimens brought to 145º F, no bond failure.įreeze-thaw Stability 5 cycles freeze (-10º F & thaw). Temperature Range ASTM C-932 (Weld-Crete®) Shear Bond Strength ASTM C-1042 (slant shear cylinder test). Tensile Bond Strength ASTM C-932 for Weld-Crete®,įlexural Bond Strength ASTM C-78 (concrete beams laminated Our Weld-Crete® concrete bonding & repair agent and our Plaster-Weld® plaster bonding & repair agent are two of the highest quality bonding agents the industry has to offer, suitable for. bonding agents have been specified by major architects, engineers and construction companies throughout the world. casein and calcimine paints), and silicone. For nearly 70 years, Larsen Products Corp. Weld-Crete® is also used for: bonding setting beds for ceramic tile bonding Portland cement plaster and stucco mixes and to bond to surfaces such as brick, block, tile, marble, metal, glass block, soundly adhered paint (non-soluble in water, i.e. Use Weld-Crete’s® open time to your advantage in bonding to concrete shear walls when you need a time lapse between application of bonding agent, placement of reinforcement steel, placement of formwork and placement of concrete. For exterior and interior use, Weld-Crete® will bond new concrete, Portland cement plaster and cementitious mixes to structurally sound concrete floors, walls, columns, beams, steps and ramps. Weld-Crete®can be "painted on" in a single application 1 hour to 10 days prior to concrete placement. The original chemical concrete bonding agent, Weld-Crete® incorporates polyvinyl acetate homopolymer in a patented formulation. Plaster-Weld® can be used over paints having oil, rubber or vinyl bases, and over silicone-treated surfaces, as well as latex paints.Ĭoverage: 300 To 400 Square Feet Per GallonĬontent contains affiliate links where we may receive a small commission, at no additional cost to you.Weld-Crete® bonds new concrete, stucco, tile setting beds and terrazzo to any structurally sound surface, interior or exterior. sheet lead in x-ray rooms) and marble are suitable sound surfaces, structurally. Concrete, brick, block, glass, ceramic tile, wallboard, metals (e.g. Plaster-Weld® prepares the surface to allow you to plaster directly to concrete over electric radiant heat cable, and to bond cement mortar beds to smooth concrete for installation of rigid foam insulation. DESIGNED FOR INTERIOR USE ONLY, the high performance bonding of one-coat finish plaster and/or two and three coat work to concrete ceilings, walls, columns, beams, and other structurally sound surfaces. Plaster-Weld Plaster Bonding Agent - Larsen / Weld-Crete Concrete Bonding Agent Larsen Products Larsen Plaster Weld Plaster Bonding Agent Gallon Larsen. The original chemical plaster bonding agent is a patented formulation incorporating polyvinyl acetate homopolymer. Concrete Bonding Adhesive - The Home Depot. Plaster-Weld® bonds new plaster to any clean, structurally sound, interior surface. Gyproc Plaster Bonding Solution Larsen Plaster Weld Plaster Bonding Agent Gallon Bonding Agents - Sika 1 Gal. Plaster Weld Bonding Agent bonds new plaster to any clean, structurally sound, interior surface.
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