Masonry
Block Fix
The fast masonry bonding specialist
A ready-to-use jointing mortar for AAC blocks, fly-ash bricks and other masonry blocks: faster, cleaner and more consistent block work.
At a glance
- Appearance
- Grey powder
- Mixing
- 25–28% water
- Layer thickness
- Approx. 2–3 mm
- Pot life
- 1.5–2 hours
- Fully dry
- 14 days
- 2–3 mm Joint thickness Instead of thick mortar beds
- 120 sq.ft Per bag Up to 100–120 sq. ft. at 3 mm
- Zero Curing needed No post-laying curing
- 40 kg Bag Grey powder
Thinner joints, faster walls
Traditional masonry mortar needs more material, thicker joints and extra handling. Block Fix makes block work faster, cleaner and more consistent.
- 01 Mix Block Fix with 25–28% clean water to a smooth paste.
- 02 Apply a 2–3 mm layer on the bed and vertical joints.
- 03 Lay the blocks and level them. No curing is needed afterwards.
Built into every bag
Five things Block Fix does that site-mixed mortar can’t.
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High bonding strength
A strong bond between blocks.
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High surface coverage
Up to 120 sq. ft. from one bag.
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No curing
Saves water, time and labour.
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Premixed & ready to use
Just add water on site.
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Economical & quick
Less material, less wastage, faster walls.
Technical
snapshot
Key properties from the Champion catalogue. Download the technical data sheet for full details.
- Packaging
- 40 kg bag
- Appearance
- Grey powder
- Mixing ratio
- 25–28% water
- Pot life
- 1.5–2 hours
- Coverage
- Up to 100–120 sq. ft. per 40 kg bag at 3 mm thickness
- Layer thickness
- Approx. 2–3 mm
- Time to fully dry hard
- 14 days
- Best for
- Brick bonding; silicate block bonding; interior and exterior wall construction
Questions about
Block Fix
Which blocks can I lay with Block Fix?
AAC blocks, fly-ash bricks, silicate blocks and other masonry blocks, for interior and exterior walls.
Does Block Fix need curing?
No. It needs no post-laying curing, which saves water and time on site.
How much does one bag cover?
Up to 100–120 sq. ft. per 40 kg bag at 3 mm joint thickness, depending on block size and site conditions.
Talk to our team
Build faster with
Block Fix.
Our technical team will help you choose the right product, quantity and application method for your site.