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SpecChem PlasterBond

SpecChem PlasterBond

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Contractor Overview

PlasterBond is a cementitious concrete repair mortar. Rewettable Bonding Agent PlasterBond is a re-wettable PVA latex bonding agent specifically designed for the interior and exterior bonding of fresh plaster in patching, plastering, and topping applications. It is not suitable for areas subjected to constant moisture, hydrostatic pressure, or continuous water saturation but can be used as an admixture to enhance the adhesion and durability of interior plaster and.

Best For

  • Concrete patching and repair
  • Interior and exterior repair work
  • Commercial repair and restoration projects

Key Features

  • VOC Compliant: With less than 50 grams per liter, it meets environmental safety standards
  • Concrete repair formulation
  • Built for professional patching and restoration work

Material & Application Notes

Rewettable Bonding Agent PlasterBond is a re-wettable PVA latex bonding agent specifically designed for the interior and exterior bonding of fresh plaster in patching, plastering, and topping applications. It is not suitable for areas subjected to constant moisture, hydrostatic pressure, or continuous water saturation but can be used as an admixture to enhance the adhesion and durability of interior plaster and plaster mixes to various surfaces. PlasterBond may also contribute to LEED credits.

Why Contractors Choose It

Contractors choose PlasterBond when the repair needs to hold up, finish cleanly, and fit the job condition without slowing down the crew.

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Application

Surface Preparation

The existing substrate must be mechanically abraded to remove all unsound concrete, ensuring it is structurally sound and free from contaminants such as laitance, grease, oil, or dirt for optimal bonding.

Mixing and Application Guidelines

  • Mixing:Agitate well before use.
  • Application:Apply a uniform coating of undiluted PlasterBond at a rate of 250 sq-ft per gallon using a brush, roller, or sprayer. Ensure it forms a continuous film over the area to be bonded. The treated surface should remain slightly tacky when dry.
  • Drying Time:Typically 20-30 minutes at 70°F, though this may vary with ventilation.
  • Reapplication:Porous surfaces may require a second coat after 12 hours if a continuous film is not achieved.

Application Rate and Conditions

Apply PlasterBond up to 24 hours before installing plaster or stucco toppings. Traffic on treated areas should be minimized until the topping is applied.

Packaging

Available in 55 gallon drums, 5 gallon pails, and 1 gallon jugs (sold in cases of four).

Shelf Life

Store in a cool, dry place. When stored properly in its original tightly closed container, PlasterBond has a shelf life of 1 year. Protect from freezing.

Standards

  • ASTM C1059Latex Agents for Bonding Fresh to Hardened Concrete Type I
  • ASTM C932Surface-applied Bonding Compounds for Interior/Exterior Plastering