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TOH 303

Hydraulic Lime-Based Plaster and Grout

TOH 303 is a hydraulic lime-based powder mixture used for plastering and jointing in the restoration of historic buildings. It contains no cement or salts that are harmful to historic structures. (EN 998-2 / M5)

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General Features

  • Cement-free.

  • Contains natural pozzolanic additives.

  • It is sulfate-resistant.

  • It has high strength.

  • It has high crack resistance.

  • It exhibits high adhesion to existing surfaces.

  • It allows for vapor diffusion.

  • It has high resistance to efflorescence.

  • It is free of harmful salts.

Applications

  • It is used for the repair of foundations, masonry walls, vaults, and arches in historic buildings,

  • for joint applications,

  • for plaster repairs,

  • for the installation of FRP rods in wall joints,

  • and as a finishing plaster mix.

Technical Specifications

Features

Compressive Strength (MPa)

Material Composition

Color

Chloride Content

Water Vapor Permeability

Workability Time

Fire Resistance Class

TOH 303

28 days: 7.0 – 90 days: 10

NHL-based, thixotropic

Light Brown

0.08%

μ < 40

> 45 min.

A1

Product Documentation

Complementary Products

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