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Gardening & Landscaping

White spots after sealing patio

Anonymous user 28 February 2024 - 3.40 PM

hi We recently had a sandstone patio put down we then sealed it after a few weeks now rhe stones are going all white stained Is there anything we can do about it?

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2 Answers

CW Masonary
Rating: 4.8 out of 5
116 reviews
Pudsey
Hi ....the white spots you describe are likely to be effervescent staining which is salt being pulled up from the Subase or potentially the mortar which has been used . The paving should really have been left until this process had naturally stopped ,something which I explain to customers , and should not have been sealed . The sealant you've used needs stripping back off using a good quality stone cleaner then leaving for at least 3 months before resealing. The stone won't be damaged so no need to worry it's a common mistake I see all the time .
Answered8 September 2018
1

A Grainger Building and Landscaping
Rating: 4.8 out of 5
20 reviews
Stoke On Trent
If you use easy seal in the yellow tub you must remove all excess seal off the. pavers or it goes milky white easy solve get a remover and reseal.
Answered9 September 2018
0