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dyyanblue 05-19-2014 09:53 AM

Deteriorating Cinderblock Stairs
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The past winter has been horrible on this cinder block stair - the edges of the blocks are crumbling in 4 or 5 places. It crumbles daily. Short of tearing out the stairs and starting over is there anything we can do to repair the steps and make them safe again?

CallMeVilla 05-19-2014 10:38 AM

You can patch ... be careful to not punch through the blocks in case they are not filled. Here is a good general video from QuikCrete ... I have used their products a lot and they work. You may have to grind all the paint away from the damage so the new cement can adhere. No big deal with an angle grinder ... If you want, you could float the entire step so the look will be uniform instead of showing a patch.

After it cures completely, you can repaint and pop a beer!

Wuzzat? 05-19-2014 04:50 PM

Here's an idea from 1937

but just a 1/8" thk iron or aluminum flat strip fastened horizontally on the top third of the riser will provide a hard corner edge for the steps and then you fill the chipped out gaps with concrete and this filler concrete won't see any stress. Prime and paint to suit.

gottodo1 05-23-2014 07:51 AM

It's nice to see that old stuff, so practical and do it all yourself, not go out to the store and buy from China.

nealtw 05-23-2014 07:56 AM

Good thought but it has been updated

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