need help with block foundation

Old 08-19-05, 07:06 AM
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need help with block foundation

My home has a block foundation [hard to believe but it does not leak ...thank the gods] my problem is that I have cracks that you can see on the outside of the building, and the inside. most hairline others at different widths from pencil points to the pencil in width....How can I repair these, what should I use and how can I make the wall look like it has not been cracked when I have made the repair???
Old 08-19-05, 12:09 PM
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Hydraulic cement is best way to patch the wider gaps, as far as hiding the fact you patched them, good luck.
Old 08-19-05, 08:41 PM
The Tuckpointer
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Grind out mortar joints half inch deep, then tuckpoint joints, When pointing blockwork I mix a bonding adhesive with water for better adhesion. I have seen some block buildings that were tuckpointed, then a year later there were hairline cracks started in places, This is usually due to the fact of too much cement in mortar and not enough wetting wall after tuckpointing, to slow down curing. I hope this helps.

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