We experimented with different recipes and here's what we've come up with. We are using the concrete mixer for mixing.
External render of overall thickness average 50mm.
Coat 1 - Levelling coat- Earth render.
1/2 bucket Clay.
1 bucket Sand (high clay content).
15 handful (deepti size hands) of finely chopped straw particles.
water to suit required gooeyness.
Coat 2 - Middle Coat - Lime Render
1 bucket lime putty / lime waste
3 buckets Sand
water to suit required gooeyness
Coat 3 - Final Coat - Lime Render
1 bucket lime putty
3 buckets White Sand
water to suit required gooeyness
Lime wash to final external walls.
(Christian wants to add one more coat externally - a 'coat 2a' between coats 2 and 3. Still undergoing discussion.)
Internal render of overall average thickness 50mm.
Coat 1 - levelling coat
1 bucket lime waste
1 bucket Sand
1/10th bucket lime putty
water to suit required gooeyness
Coats 2 and 3 - middle and final coats
1 bucket lime putty
3 buckets sand
water to suit required gooeyness
Lime Wash to final internal walls.
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