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AAC Block Joining Mortar (BJM)
Key Benefits
- Lower labor
- Time saving
- Fewer joints
- Quick laying
- High strength
- Crack-resistant
- No shrinkage
- Recycled materials
- Saves topsoil
Specifications
Available Brands:
Frequently asked Questions
Why should I use BJM instead of a standard cement-sand mix?
Traditional mortar requires thick joints (10-15mm) and continuous water curing. BJM is a polymer-rich adhesive that requires only a 2-3mm joint, provides a much stronger bond, stops thermal bridging, and completely eliminates the need for water curing, saving both time and resources.
What is the coverage area of a 40kg bag?
Coverage depends on the block thickness and the mason's skill, but on average, a single 40kg bag covers approximately 120 to 140 square feet for a standard 4-inch AAC block wall when using a 2mm to 3mm joint thickness.
Do I need to cure the walls with water after applying BJM?
No. Block Joining Mortar is specifically formulated with specialized polymers to be self-curing. It retains its own moisture to set properly, which saves thousands of liters of water per project and allows the next phase of construction to begin immediately.
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