How to stop sand washing out of block paving

After every heavy rain some of the jointing sand in our block paving washes away and leaves gaps. Is there a more permanent solution than topping it up each time?

Asked by Greg on 30th May 2026
Expert Trade Answers
"Hi Greg resand your block paving and use a block paving sealant.That will solve the washout problem."
Answered on 30th May 2026 - Member since May 2024 - report
"Hi Greg am afraid there’s no other way other than resand and put a sealer over the drive any other product will stain the blocks , hope this helps . Kind regards …. George"
Answered on 30th May 2026 - Member since Apr 2025 - report
"If you seal the paving with block paving sealer it will harden the sand between the joints"
Answered on 30th May 2026 - Member since Aug 2022 - report
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