Belzona 4141

4000 Series — Vertical & Overhead Concrete Repair

Belzona 4141

Magma-Build — Lightweight epoxy repair composite for vertical and overhead concrete and stone repairs.

A high-build, lightweight epoxy composite for rebuilding damaged vertical and overhead concrete and masonry. Applies up to 12.7 cm thick on vertical surfaces and 7.6 cm on overhead without shuttering. Full mechanical cure in 12 hours vs. 28 days for concrete. Can be colour-matched to original masonry.

Belzona 4141 Magma-Build applied to vertical surface

Product Description

A lightweight epoxy repair composite for rebuilding damaged vertical and overhead concrete and masonry surfaces. This high-build material can be applied up to 12.7 cm (5 inches) thick on vertical surfaces and up to 7.6 cm (3 inches) thick on overhead surfaces — without shuttering during cure and only minimal support during application.

This 100% solids epoxy is non-porous and does not absorb water or chemicals. Provides excellent carbonation resistance and withstands extreme weather conditions. Full mechanical cure at 25°C within 12 hours; full chemical cure in 3 days.

12.7 cm Vertical
Max thickness without shuttering
12h Cure
Full mechanical cure at 25°C
Colour-Matchable
Tintable to match original masonry

Product Video

Key Benefits

  • Can be tinted to colour match the original masonry surface
  • Can be feather-edged
  • Hi-build application in vertical and overhead locations
  • No shrinkage irrespective of the thickness applied
  • Reduces the requirement for shuttering
  • Excellent chemical resistance against a wide range of chemicals
  • Easy to mix and apply with no specialist tools
  • Resistant to environmental attack
  • Reduced health and safety risks — 100% solids
  • Excellent bonding to all masonry surfaces including concrete, brick, marble and stone

Applications

  • Repair of spalled or damaged concrete and weathered stonework — particularly vertical or overhead applications
  • Window sill, lintel and column repair
  • Repair of damaged overhead areas such as archways and bridges
  • Refurbishment of decorative mouldings and other cosmetic repairs

* All products are subject to regional restrictions.

Photo Gallery

Spalled concrete window sill
Spalled concrete window sill
Concrete repaired using lightweight Belzona 4141
Concrete repaired using lightweight Belzona 4141
Cracked concrete chimney stack
Cracked concrete chimney stack
Hi-build Belzona 4141 applied to vertical surface
Hi-build application on vertical surface
Damage to front lintel
Damage to front lintel
Repaired lintel
Repaired lintel

More Information

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