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121 SPECIAL

121 SPECIAL

Class A EN12004
  • Designed exclusively for filling gaps in brick wall cladding.
  • Outside application.
  • Easy to mix, just add water & apply.
  • Shrinkage compensated with no metallic iron content.
  • Coverage: Dependent on the substrate surface profile, roughness, and application technique.
  • Available Packing: 20kg
Technical Data
Compressive Strength (28 Days)65 MPa
Setting Time (Initial)~1 Hrs
Gap Thickness Minimum10 mm
Gap Thickness Maximum25 mm
Fresh Wet Density~2200 kg/m³
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Instant Bag Estimator

Calculate Required Bags of Gressbond 121 Special

Enter your project area & select bed thickness (6mm / 8mm / 10mm) to estimate how many 20 KG bags you need.

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ft
6mm / 8mm / 10mm
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Estimated Requirement
5 Bags

Standard: 20 KG Bag (Total: 100 KG)

Coverage per bag: 24.85 sq. ft.
Total Area: 100.00 sq. ft.
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*Note: Coverage is based on standard technical mortar density. Actual consumption may vary marginally based on substrate levelness and notched trowel angle.

DIRECTIONS FOR USE

1

PREPARE

Ensure the gaps and brick surfaces are clean, sound, and free of dust, dirt, or loose particles. Lightly dampen the surface with water before application.

2

MIX

Gradually add the powder to clean water. Mix manually or with a slow-speed stirrer to achieve a smooth, lump-free consistency. Let the mixture rest for 5-10 minutes, then remix before use.

3
Trowel

APPLY

Fill the gaps in the brickwork (between 10 mm to 25 mm thickness) uniformly using a pointing trowel or suitable application tool. Ensure the gaps are completely filled without voids.

4

FINISH & CURE

Clean any excess material from the brick face immediately with a damp cloth or sponge before it sets. Allow it to cure undisturbed (Initial setting time is approx. 1 Hour).