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Question DetailsAsked on 9/24/2013

resurface concrete driveway pad

Concrete has spalled in places due to snow cover in the winter. I have repaired damaged places with Quickcrete. I want to put a protective coating over the 575 sq. ft. drive pad to prevent further damage. I need more that a sealer.

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2 Answers

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Hello, this is Kiel with Angie's List. You'll want to log in at www.angieslist.com and search for the category Driveways to see our top rated providers in that area. You can also contact our call center at 1-888-944-5478 or send a written request to memberservices@angieslist.com for more information.


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Thanks so much!

Answered 5 years ago by KielH

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Then you have three basic choices-
1) a thin "skimcoat" 1/8-1/4" overlay of epoxy modified concrete like Quikrete Resurfacer - goes on as a flowable coating - doing it right requires entire surface be water jet cut or scarified or bushhammered first to remove delaminated existing material (including your current patches unless surface was bushhammered before patching), and generally gives about 7-10 years resistance to normal winter conditions, UNLESS salt or ammonia or chloride ice melt is used or car dripping icemelt from the streets drip chloride based icemelt on it, in which case typically 2-4 years before pitting and spalling resumes - typically about $2/SF commercially done.
2) an epoxy concrete paint like that used for garage floors, but exterior grade - about $1-2/SF for normal, grade, more like $3/SF for top grades.
3) an overlay of epoxy modified flowable surfacing grout, combined with concrete surfacing armor material like Sika ArmorTop (NOT same as AH ArmorTop or Zoya ArmorTop) or an elastomeric coating like SikaGard - runs about $3.25-4.00/SF applied. Note that these are getting up into the $4/SF range for a normal concrete driveway, which is why they are rarely used in residences - usually used on bridges and parking structures.
The epoxy paints do not generally perform real well in sunlight, so my recommendation, at a reasonable cost (and you could do it yourself if ambitious) is bush hammering or water jetting the existing surface ot remove spalled material and expose the aggregate, putting rust inhibitor on any exposed mesh to rebar, then overlaying a skimcoat of an epoxy modified concrete repair product like Quikcrete Resurfacer, finished off a week later with sprayed on sealer.

Answered 5 years ago by LCD




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