Advice please: on hollow sounding patio - Advice please: on hollow sounding patio

Patio flagstones (slabs), concrete flags, stone flags including yorkstone and imported flagstones.
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ladymcd
Posts: 1
Joined: Sun Aug 23, 2015 9:10 pm
Location: London

Post: # 105769Post ladymcd

Hello
We have recently had 100sqm indian sandstone patio layed, when the weather was hot. The slabs were layed on a full mortar bed (relatively dry mix), the backs were not dampened/wet down and they are now sounding very hollow. My question is should we be concerned that they will stay down?
Thank you
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lutonlagerlout
Site Admin
Posts: 15184
Joined: Fri Aug 04, 2006 12:20 am
Location: bedfordshire

Post: # 105779Post lutonlagerlout

hard to say
do they move when you walk on them?
flags laid on a dry mix can sound hollow at times
different people have different mixes and techniques,I prefer a wet mix which never sounds hollow
but the vast majority go with dry mixes
a picture would help
cheers LLL
"what,you want paying today??"

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