PLASTER WELD PRICE FREE

Contact Larsen Products for Guide Specifications.

3.2.3 Application of Plaster over Electric Heating Cable:.

(NOTE: Minimum drying time of 24 hours between coats is important to prevent moisture in second coat from penetrating the scratch coat and flooding the bond film.) Allow to dry 24 hours (follow with two and three coat applications).

Apply scratch coat a minimum of 3/8 inch thick over Plater-Weld®to surfaces as shown and specified.

3.2.2 Application of Two and Three Coat Plaster.

(NOTE: Plastering can begin immediately as soon as bonding agent is dry to the touch or delayed a week to 10 days with no effect on bond.) At contractor’s option, Plaster-Weld® and a white skim coat of plaster may be applied on interior ceilings, walls, beams and columns in place of smooth or rubbed concrete surfaces as shown or specified.

Apply a white skim coat of plaster 1/16 to 3/16 inch thick over Plaster-Weld® direct to concrete ceilings and other structural surfaces as shown and specified (the mixing, application and finishing of white coat shall be as specified for regular white finish coat).

Reapply Plaster-Weld® over areas not satisfactorily covered.

Inspection of bonding agent: Prior to applying plaster, inspect bonding agent application to assure a continuous pink film over the entire bonding surface.Application of wallpaper to newly bonded plastered surfaces should be delayed 90 days. Wait 60 days before applying bonding agent over newly painted surfaces. Glossy painted surfaces should be dulled with an abrasive. (NOTE: Painted surfaces must be sound, washable and firmly adhered to the substrate. Application of bonding agent: Apply Plaster-Weld® uniformly using brush roller, or spray to form a continuous pink film over the entire surface.Form release agents, curing compounds, hardeners, and sealers must be compatible with Plaster-Weld®.

PLASTER WELD PRICE FREE

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. Plaster-Weld® bonds new plaster to any clean, structurally sound, interior surface. Plaster-Weld (PRODUCT IS NO LONGER PINK - NOW AVAILABLE IN WHITE/CLEAR BASE)

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