Removing old adhesive from concrete

hemnancyJuly 13, 2011

We are trying to get my MIL's house ready to sell and removed some outdoor carpet from the front concrete stairs/porch. The adhesive is quite tough and patchy, a yellowish color. I've been trying to chip it off but that is very hard and time consuming. Someone else bought grey paint to put on the concrete but the label says it makes the concrete slippery when wet (but an additive would help- would that include adding sand?) and also cannot be used on vertical surfaces. Any ideas for removing the adhesive easily without exposing myself to petroleum distillates, or should I just use the paint?

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If you don't want to use a solvent, abrasion is the only option left. Try a right angle grinder with a wire cup wheel. You'll want to wear respiratory and eye protection.

You'll find anti-slip additives for paint in the paint department. Usually pretty close to the flooring paints.

    Bookmark   July 14, 2011 at 1:07AM
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Seriously, this is the best scraper Ive ever used. It will scrape ANYTHING off concrete.

Here is a link that might be useful: Warner stiff blade scraper 1.5

    Bookmark   July 14, 2011 at 3:41PM
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You might try a heat gun to soften it up along with a scraper like aidan uses or a straight blade razor/scraper.

    Bookmark   July 14, 2011 at 5:35PM
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I just went through a similar thing. 30 year old astro turf green carpet on our front porch and planning to sell the house. I tried an adhesive remover from Lowes but it didn't do anything. I hired someone to grind it off. He had a small hand grinder and it took them a long time but it got done pretty well. There was a crack underneath that was repaired. After that it didn't look that great. No reputable concrete person would skim coat because it won't last. They coated it with a product called miracote. I think it was the MPC version. The porch is 7 x 16 and it cost $750. I got quotes of about 2K to re-pour the whole porch. The guys doing the miracote could have done a better job but the house sold and no one complained. It should last for years. We looked at two part apoxy but it would have been to glossy and slippery and wouldn't have looked like concrete.

Here is a link that might be useful: miracote mpc

    Bookmark   July 14, 2011 at 8:18PM
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