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EMMA AAC Block Joining Mortar

EMMA AAC Block Joining Mortar is a thin-bed adhesive designed for AAC, fly-ash and lightweight blocks and bricks. It delivers high bonding strength, precise alignment and crack-resistant performance for both internal and external masonry. Ready to use with just clean water, it cuts construction time and cost while improving wall durability.

40 kg net quantityConforms to IS 2250 and ASTM C1660/C270Self-Curing Thin-Bed Mortar for AAC Blocks
EMMA AAC Block Joining Mortar 40 kg bag

Key features

  • High bond strength for AAC and lightweight blocks and bricks
  • Thin-bed application (2–3 mm) — faster construction, less material
  • Crack-resistant with high workability
  • No curing required, saving time and water
  • Suitable for internal and external walls, residential and commercial
  • Reduces construction time and cost, improves wall durability

Suitable for

  • Internal and external walls for residential and commercial buildings
  • AAC, fly-ash and lightweight block and brick construction
  • Projects where speed of masonry and clean joints matter
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Product FAQs

Questions about AAC Block Joining Mortar

How many blocks does one 40 kg bag lay?
It depends on the block size and joint thickness, so we give a figure against your actual block dimensions rather than a general number. Send the block size in your enquiry and we will work it out with you.
Does it need water curing like cement mortar?
No. That is one of its main advantages on site — it saves both curing time and the water needed to carry out curing on upper floors.
How thick should the joint be?
2–3 mm. If you need a thicker joint to correct level, the course below is out of level — fix that rather than filling the gap with mortar.
Can I use it on fly-ash and concrete blocks too?
Yes. It is designed for AAC, fly-ash and lightweight blocks and bricks, internal and external, in residential and commercial work.
Should blocks be soaked before laying?
No. Blocks must be clean and dust free. In dry weather, dampen the surface lightly with a brush or spray — never soak, as a saturated block starves the mortar of the water it needs to set.
Does a thin joint reduce wall strength?
No. In AAC masonry the weak point is the bond between mortar and block, not the joint thickness. A polymer-modified thin bed bonds to the block face far better than cement-sand mortar, which draws its own water into the porous block.
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