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Refinishing patio concrete-slab
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? Can a fairly-knowledgeable homeowner do this project? 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? |
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Refinishing patio concrete-slab
"gary" wrote in message
oups.com... 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? Can a fairly-knowledgeable homeowner do this project? 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? in excess muriatic acid might cause some severe etching resulting in cracking, hopefully you irrigated the concrete sufficiently with water after applying the muriatic acid to prevent long term damage perhaps one of the better overlays you could use would be something like quickrete concrete resurfacer, which is designed to repair spalled concrete like yours - it is very durable and should last a long time http://www.quickrete.com/catalog/Con...esurfacer.html before going with something as permanent as quickrete concrete resurfacer (which at $25 a bag it also costs significantly more than concrete which sells for about $3.50 per bag), you might try something lighter, like mixing portland cement with water till it is about the consistency of paint, then brushing it onto the surface - might not last long since the plants are watered often, making the quickrete concrete resurfacer mentioned above better in this application - might want to experiment and see which works best |
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