hi lads,
im doing a job here in brighton, hacked off defective render, brickwork is in good condition, gave it a coat of rend-aid.
I want to double check on ratios.
is 4-1 washed sand, cement, then 5-1 washed sand, cement, then 1 lime, making it 6-1, with a little water-proofer in top coat...