Proportions
| Cement | 1 part |
|---|---|
| Sand | 3 parts |
| Pea gravel | 2 parts |
| Typical strength | 2,000 psi · 14 MPa |
Grout
Grout mix ratio for a bond beam
Wider grout spaces like bond beams use a coarse grout — 1 : 3 : 2 cement : sand : pea gravel — placed at a high slump.
Recommended mix
1 : 3 : 2cement : sand : pea gravel
Coarse masonry grout — about 2,000 psi (14 MPa).
Planning reference. Typical proportions and strength for general work, not a structural mix design. Load-bearing and structural work must follow your local building code and a qualified engineer's specification.
Why this mix
Adds pea gravel for larger grout spaces (bond beams, wide cores). Still placed at a high slump so it consolidates fully around reinforcement.
Once you know the mix, the volume calculators tell you how much of it to buy — cubic yards, cubic metres and the bag count in every size.
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