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How to repair a gap on the exterior wall

Posted on 19th July, 2019

Repair of a gap in the exterior wall is done in the way described below:


Clean the gap with a dusting brush to remove the loose sand, mortar etc.

Place masking tape above and below the gap.

Apply universal filler with gun.

Shape filler with a moist finger tip.

Let it dry.

Filler applied to the gap

After a few hours, apply matching exterior masonry paint with a paint brush.


If the gap is too wide, then use sand/cement mortar mix in 3:1 ratio.

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