![]() ![]() Surfaces to receive Plaster-Weld®MUST BE STRUCTURALLY SOUND AND CLEAN, free from loose material, dust, dirt, oil, grease, wax, loose paint, mildew, rust, laitance, or efflorescence.Bonding Agent: Plaster-Weld®, Larsen Products Corp., Jessup, Maryland.Protect adjacent finish surfaces with masking tape, soap powder emulsion, or a commercial product, specially formulated for protective use in plastering.Air and surface temperatures must be above freezing during application of Plaster-Weld®.Materials Storage: Protect Plaster-Weld® from freezing.Deliver Plaster-Weld® to job in original container with seals unbroken and use without reducing.Plaster Weld Guide Specifications: Divisions 3 & 9 Divisions 3 & 9 1. No bond failure after 25 consecutive days. Hose Stream Test.ġ″ concrete slabs bonded to 1/2″ gypsum plaster subjected to seepage of strong detergents and synthetic urine for 10 hrs. Non-toxic, no ill effects after 7 days.ĪSTM E-119 (bonded assembly). ![]() Freeze-thaw stable.Įnclosed mice exposed to 30 cc volatized bonding agent for 1 hr. Avg.ĥ cycles freeze (-10 degrees F and thaw). 28 days.ĪSTM C-109 (specimens brought to 35 degrees F for 1 hr., then to 310 degrees F for 2 hrs). In all cases failure occurred in the cementitious material, not in the bond. Test reports are available upon request.ĪSTM C-631 (pulling apart bonded cement briquet halves). Plaster-Weld® can be used over paints having oil, rubber or vinyl bases, and over silicone-treated surfaces, as well as latex paints.ĭata obtained from tests conducted periodically by leading independent laboratories. 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. The original chemical plaster bonding agent is a patented formulation incorporating polyvinyl acetate homopolymer. Some of the common applications of plaster bonder include kitchens and food prep areas, administrative areas, health and fitness areas, stairways and elevator shafts, lobbies and reception areas, executive areas, open-plan offices, operating rooms and imaging rooms, garages, and warehouses, among others.Plaster-Weld® bonds new plaster to any clean, structurally sound, interior surface. Plaster bonder is mandatory when applying plaster over Durock Brand Cement Board, monolithic concrete, and Brand Abuse-Resistant Gypsum Fiber Panels. It is compatible with many materials, including stone, cinder block, gypsum plaster, gypsum drywall panels, and other similar materials.After drying, the bonder forms a film that moistens whenever plaster is applied for a strong and long-lasting bond.The bonder dries quickly, allowing same-day plastering or plastering within ten days.Easy to apply with a roller, brush or spray.Available in clear or tinted pink for an effective visual inspection when required.It is effective in bonding plaster to any surface with a structurally sound interior. A plaster bonder consists of a vinyl acetate emulsion. You can apply the plaster the same day or within ten days. The plaster bonder is easy to apply and dries quickly. A plaster bonder provides a strong plaster adhesion to surfaces like stone, cinderblock, gypsum plaster, drywall panels, and other materials. ![]()
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