We have a concrete walk that has developed cracks. What is the best way to repair these cracks so that weeds don't grow in them?
check with the experts at Lowes or Home depot. They can recommend a concrete product that you can use. All the Quick crete products are excellent but I would ask the experts for suggestions.
I could never got the mix right, so when the cracks were dry, I cleaned them out the best I could and
ADDED EXTERIOR LIGHT GREY SILICONE CAULK which lasted ten years and helped the slabs to level out again. This is only for up to 1/2" cracks, of course. You gotta get the cracks before they get too big and ruin the whole slab. Takes a little longer, but worked for us.
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