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What is the correct mix ratio for pebble dashing, scratch coat and topcoat?

What is the correct mix ratio, sand cement and is lime required?

1 Answer from a MyBuilder Plasterer

Best Answer

3.5 plastering sand to 1 cement for scratch coat ,4 to 1 in top coat never have the top coat stronger than the scratch do not use lime in the scratch coat this will add suction use some waterproofer to slow the suction .


Answered 17th Nov 2012

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