Mortar For Patio

Question

I am just about to lay a patio and have been sent Grit/Concrete Sand instead of Sharp Sand. Can this be used to create a Mortar mix or do I need to add additional softer sand?

Chris · Accepted Answer

Grit sand is better for patio as will dry with harder base lay a full bed under slab

Patrick · Answer

Ideally you would use soft sand or you could use pave joint

Michael · Answer

You ideally need sharp sand as it will take longer to break down so will last longer. Mix it with cement and water at a 5 to 1 ratio. 5 parts sharp sand 1 part cement and water as required.
Builders sand is easier to use but breaks down, ballast creates gaps under the slab and can lead to more broken slabs whilst laying.

Isaaq · Answer

I would personally order a softer sand as it would probably make it easier to lay .

Ricky · Answer

Grit sand made with cement makes for a good base to lay slabs on as it sets solid like concrete, all you have to ensure is that you get full coverage of the flag laid

Gary · Answer

Yes this would work but if exceptionally gritty try adding some building sand to the mix.

John · Answer

You need to use sharp sand as concreting sand is too harsh, if you are laying natural stone each one will need sealing first before laying

Ron · Answer

Yes it can, make your mix as 4 sand to one part cement

Hannah · Answer

No I wouldn't use grit and concrete I would always lay on sharp and and cement mix

Mortar For Patio

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