http://www.karundu.com/2010/01/18/how-to-repoint-an-existing-brickwork-wall-in-a-home/ Home Security; House Plans; House Maintenance Solutions Sun, 03 Oct 2010 08:46:23 +0000 hourly 1 http://wordpress.org/?v=3.2.1 http://www.karundu.com/2010/01/18/how-to-repoint-an-existing-brickwork-wall-in-a-home/comment-page-1/#comment-6233 Repointing mortar Wed, 16 Jun 2010 09:58:57 +0000 http://www.karundu.com/?p=534#comment-6233 Under no circumstances use pva on a mortar for outside the building unless you use the waterproof type ( even then the jury is still out as to whether it is of any use or just an added expense). Your standard pva turns to a gel in extremely wet conditions, even when mixed into a mortar, that will break down the mortar if it freezes. it is bad enough repointing a house once without having to redo it again 5 years down the line. Under no circumstances use pva on a mortar for outside the building unless you use the waterproof type ( even then the jury is still out as to whether it is of any use or just an added expense). Your standard pva turns to a gel in extremely wet conditions, even when mixed into a mortar, that will break down the mortar if it freezes. it is bad enough repointing a house once without having to redo it again 5 years down the line.

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