how to fix loose blocks on my porch

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Old 03-12-13, 09:34 PM
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how to fix loose blocks on my porch

Looking for suggestions and options on how to go about fixing my porch. Will tuckpointing work on the loose block and then do I bust out the rest of the one block by the step and replace with a new block??

thanks in advance.
 
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Old 03-12-13, 10:20 PM
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From the looks of things in the pix, I think a bit more than tuck-pointing is in order. You need to verify that there is a decent footing below grade (and below the frost line) for all of the block to be supported on. If none, you need to build one. If there is one, removing all loose block down to where you find firmly mortared ones is needed. Then it's just a matter of laying up the block, one-by-one, right side up, using a decent mortar mix. Make sure to strip off any adhering mortar before starting. And, yes, trimming a block for the end location will be required.

You might want to consider some means of minimizing the runoff from the porch and/or porch roof, as it appears that excessive moisture infiltration had something to do with the blocks' bonding failure.
 
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