concrete porch finished too smooth

Old 06-04-13, 01:09 PM
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concrete porch finished too smooth

the surface of our concrete porch was finished too smooth....least bit of water and it is very very slippery....any ideas on reasonable repair or remedy

Old 06-04-13, 01:22 PM
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There might be a tool that could "scarify" the surface, but I'm not sure if that's a rental option.

A contractor should be able to do it.

An abrasive blade in a circ saw would work, but would be very very labor intensive.
Old 06-04-13, 05:21 PM
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Possibly a non slip paint. Some add sand to the mix to eliminate the slipping. Not sure what a power wash would do. Might test a hidden area.

Old 06-04-13, 06:50 PM
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I'd go with a light, brush-off sand blasting, using a fan tip nozzle and just enough pressure to remove what you want. It would be best if you had some areas you could practice on before hitting it full-bore. You will be exposing some of the surface aggregate, so be prepared for a change in appearance--if done uniformly enough, the finished look can be quite pleasing, especially if you apply a sealer afterwards to bring out the color of the rock.

If you don't own (or can't economically rent) a decent-sized blaster, there should be commercial outfits available that would gladly give you a quote.
Old 06-05-13, 04:27 AM
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I was also thinking alone the lines of sandblasting. Adding the nonslip additive to paint is an option but it always seems to wear off where the traffic is ..... and that's where you need it most. Also paint doesn't always fair well on concrete slabs.
Old 06-05-13, 07:17 AM
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I agree with the options above and will add another. A brushed finish on a concrete resurfacing product. The most accessible for the DIY masses is probably Quikrete Resurfacer sold at Lowes, Home Depot, etc. Surface prep is everything, so follow directions exactly.
Old 06-05-13, 09:12 AM
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Rent a buffing machine. Try a black pad or the 'block' directly. Spray water as you go.

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