repair horizontal cracks

Postby baz61 » Tue Jun 19, 2007 10:15 am

how do i repair these cracks,do i cut an inch eitherside of the crack,as has been suggested by a"old timer" friend,and then fill.what mix do i use,and what is the best white paint to use.
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Simply Build It

Postby thedoctor » Fri Jun 22, 2007 6:47 am

Depends how wide the cracks are to start with. If they are hairline cracks use fine surface filler rubbed in with a sponge. If they are slioghtly larger use normal filler. If they are 3 mm or more yes, cut them out and use plaster. We don't recommend different manufauctuirers for paint but the paint you can find in our toolstopre is perfectly good. See also our project on repairing cracks.
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Postby baz61 » Fri Jun 22, 2007 10:05 am

thanks for the reply,it has solved another problem i have,but i must apologise for not making myself clear,i forgot to mention that my problem is external,in a rendered gable end. the cracks are only a couple of mm. wide. one about 3m long and the other about 3.5m long.
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Postby ritae » Sun Jul 01, 2007 8:12 am

Thanks for this information - we have recently finished plastering and have discovered hairline cracks along many of the joints. Can you recommend a fine surface filler? We believe the problem has something to do with expansion and contraction due to extreme dry weather conditions, so would be interested in a filler that will be flexible enough to prevent further problems.
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Joined: Sun Jul 01, 2007 8:07 am

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