The gaps are wide in places, and loose material washes out when it rains. I’d like to make the area easier to keep clean, but I’m not sure concrete is the right fix. What would work better?
Can I fill the gaps between these pavers with concrete?
Asked by tessera
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I’d avoid concrete between separate pavers. They can shift with weather or underfoot, and a rigid joint may crack or break loose. For ordinary, fairly even joints, use polymeric sand made for pavers. Follow the product directions, especially the required joint width and depth, and apply water gently so it doesn’t wash out.
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If some of these openings are really wide, joint filler may not solve the underlying layout problem. You could lift and rearrange the pavers closer together, or add matching stone where it fits. A smaller area with tighter joints may be easier to maintain than trying to fill every large gap.
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For wide gaps in a garden path, crushed stone chips or decomposed granite could be a practical, low-key option. They won’t make a solid surface, and some upkeep may still be needed, but they suit broad spaces better than trying to grout them with concrete.
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If you’d rather have greenery, look at a low-growing ground cover such as creeping thyme or moss, depending on the sun, soil, and local climate. It won’t give you a hard, clean joint, but it can make irregular gaps look intentional. Check that the plants suit how much foot traffic the area gets.
Cairnline:
And if water is washing the current filler out, it’s worth checking where the runoff goes before choosing a replacement.
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tessera:
That makes sense. I’ll check the joint size before buying anything.