Plaster-weld High Strength Polyvinyl Acetate Homopolymer Plaster Bonding Agent -Gallon

$45.00

In stock: 10 available

Product Details

UPC: 716076120008

Brand: Larsen Products Corp.

Plaster‑Weld (PVA) Plaster Bonding Agent — Uses & Practical Guide

Name: Plaster-weld High Strength Polyvinyl Acetate Homopolymer Plaster Bonding Agent -Gallon
Brand: Larsen Products Corp.
SKU: 716076120008
Price: 45.0 USD
Availability: InStock

Plaster‑Weld is a high‑strength polyvinyl acetate (PVA) homopolymer bonding agent used to help new plaster stick securely to surfaces that normally would not bond well.

It’s often called “the pink glue for plaster” in the field.

What It Does

Creates a chemical and mechanical bond between old surfaces and new plaster.
Prevents delamination, cracking, and peeling of plaster.
Allows plaster to adhere to non‑porous or low‑porosity surfaces.

️ Primary Uses

1️⃣ Bonding New Plaster to Old Plaster

Ideal for patching old walls.
Ensures the new patch blends and bonds with the existing surface.

2️⃣ Bonding Plaster to Concrete

Works on:
- Poured concrete
- Concrete block
- Precast concrete
- Tilt‑up panels
Prevents plaster from “shearing off” smooth concrete.

3️⃣ Bonding Plaster to Brick or Masonry

Useful when resurfacing old brick walls with a plaster finish.

4️⃣ Bonding Plaster to Drywall

Especially helpful when:
- Doing veneer plaster over drywall
- Repairing damaged drywall areas
Improves adhesion and reduces risk of blistering.

5️⃣ Bonding Plaster to Painted Surfaces

Works on most sound, non‑glossy paint.
For glossy paint, light sanding is recommended before applying.

6️⃣ Bonding Plaster to Wood

Used when plastering over:
- Wood lath
- Plywood
- Wood trim transitions
Helps prevent separation due to wood movement.

️ Where Contractors Commonly Use It

Wall and ceiling repairs
Skim coating
Veneer plaster systems
Restoring old brownstone or pre‑war building interiors
Patching around electrical boxes, plumbing penetrations
Repairing damaged plaster after water leaks

How It’s Applied (Simple Steps)

Clean surface (dust, grease, loose material removed).
Brush or roll on a thin, even coat of Plaster‑Weld.
Allow it to become tacky (usually 30–60 minutes).
Apply plaster while still tacky, not fully dry.

Key Advantages

Strong, reliable bond
Saves time — no need for mesh or scratch coat in many cases
Works on difficult surfaces
Pink color makes coverage easy to see
Compatible with most gypsum and lime plasters

PLASTER-WELD® (Pink Bonding Agent)

Manufacturer: Larsen Products
Color: Pink
Type: Plaster bonding agent

✅ What Plaster-Weld Is

A bonding agent made for bonding gypsum plaster, veneer plaster, or stucco to non-porous surfaces.

⭐ Main Uses of Plaster-Weld

Bond new plaster to old painted walls
- Interior renovations
- Repairing old plaster walls
Bond plaster to smooth, non-absorbent surfaces
- Painted drywall
- Concrete
- Brick
- Tile (roughened)
- Cement board
Bond veneer plaster or skim coat
- Skim coating over old surfaces
- Wall refinishing
- Fixing cracks & damaged sections
Interior plaster repair
- Fixing bulges, holes, cracks
- Reattaching loose plaster

Why Plaster-Weld Is Popular

Replaces the old “scratch coat”
Saves labor and drying time
Creates strong mechanical + chemical bond
Very reliable under plaster coats

Plaster bonding agent interior "plaster-weld". Bonds new plaster to any clean, structurally sound, interior surface. 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.

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. Can be used over paints having oil, rubber or vinyl bases and over silicone-treated surfaces as well as latex paints. Covers approximately 300 to 400 sq. ft. per gallon depending on method of application, temperatures, porosity and texture of the substrate.

High performance bonding of finish plaster to concrete ceilings, walls, columns, beams and other structurally sound surfaces
Works with concrete, brick, block, glass, ceramic tile, wallboard, metals and marble
Patented formula: polyvinyl acetate homopolymer
Suitable with most non-waterbased paints
Non-toxic, non-hazardous & low VOC
Pink and non-bleeding.

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