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Posted by RicodJour on October 21, 2006, 7:56 pm
gary wrote:
> I live in Riverside, California (halfway between Los Angeles and Palm
> Springs).
>
> My house is 35 years old. Six or seven times during this period, I've
> applied UN-DILUTED Muriatic Acid to clean the concrete slab on my
> patio. Now the slab is now very rough (it hurts to walk on with bare
> feet).
>
> Although I can't pour another thick layer of concrete over the existing
> slab,can I apply a thin overlay to cover the old, dirty, stained and
> pitted concrete to result in a smoother and good-looking slab?
>
> Is this project only for professionals or can a homeowner do it?
>
> What product(s) are needed?
>
> What steps are involved?
>
> How durable is the overlay? (The concrete slab is hosed off several
> times a week to remove leaves and dirt. Also, the patio is surrounded
> by flower beds, potted plants are on the slab and hanging pots are
> above the patio. All get watered several times a week).
>
> How long will the overlay last?
Unfortunately for you, undiluted muriatic acid is probably the worst
thing you could have used. The directions on the bottle usually direct
you to use a particular diluted solution for a given surface. Pressure
washing would have given you and equally clean surface and not eaten
away the surface (unless you're really heavy handed with the pressure
washer).
There are epoxy resurfacing products that will last a good while and
not add too thick of a topping. This will get you started:
http://www.google.com/search?hl=en&q=epoxy+patio+resurfacing
R
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