• Set wall alignment using a string line.
• Soak the AAC block in water until damp.
• Prepare thin-bed adhesive: 9.5–10.5 liters of water per 40 kg of instant cement.
• Apply adhesive 3 mm on columns, 10–20 mm on the base; install from a wall corner, level with a mallet.
• Use 3 mm adhesive between blocks, check evenness with a spirit level. Let cure 24 hours.

Plastering AAC Block

• Clean the wall with water before plastering.
• Plaster mix: 6–6.5 liters of water per 40 kg cement, 10 mm thick.
• Protect from direct sunlight with a tarp.
• Let rest 2–3 weeks until shrinkage stops.

Skim-Coating AAC Block

• Skim-coat mix: 13.5–14.5 liters of water per 40 kg cement, 1–3 mm thick (2 stages if 3 mm).
• Use a trowel, smooth with a damp brush and cement-bag paper.
• Wait until fully dry before the next stage.