What's causing these spots

Patio flagstones (slabs), concrete flags, stone flags including yorkstone and imported flagstones.
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mfchrist
Posts: 2
Joined: Sat Mar 12, 2016 3:29 pm
Location: Ireland

Post: # 108207Post mfchrist

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mfchrist
Posts: 2
Joined: Sat Mar 12, 2016 3:29 pm
Location: Ireland

Post: # 108208Post mfchrist

sorry that sent before I knew what I was doing!
I had this patio installed this week. most of the flags have this spotting all over them. I don't know if it was caused by residue on the loose sand that was left all over it, or from badly applied sealant.
He is coming back tomorrow at my request to have a look so I'd like to be armed with information.
Many thanks for any advice. It all looks like it needs a good scrub and to be re-sealed.
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seanandruby
Site Admin
Posts: 4713
Joined: Mon Jun 26, 2006 11:01 am
Location: eastbourne

Post: # 108214Post seanandruby

Marks are probably from cleaning off snots. Looks like he hasn't cleaned the stains before sealing. No way should be be sealing in this weather, paving needs to be bone dry
So should be done in the summer months. He should clean the sealant off and clean the flags and leave it at that.
sean
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lutonlagerlout
Site Admin
Posts: 15184
Joined: Fri Aug 04, 2006 12:20 am
Location: bedfordshire

Post: # 108221Post lutonlagerlout

looks like geo fix or 365 for the pointing
I wouldnt worry it wil
l soon go
LLL
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