how long before building onto new slab

[hallega]

Hi everyone, 

 

Do we have to wait for 28 days before we can start placing out our Durisol blocks, hubby is chomping at the bit, anyone advise anthing else?

[Conor]

The next day. Our slab was poured on a Friday, ICF started on the Monday, and poured 2 weeks after slab. You don't need concrete to get to full 28 day strength unless you are putting a lot of force against it, eg. Backfilling or concrete slabs.

Edited October 2, 2020 by Conor

[hallega]

Hi Conor, it's a basement...so l suppose 28 days then.....he's going to be spitting feathers!!! Thanks for the reply.

[markc]

16 minutes ago, hallega said:

Hi Conor, it's a basement...so l suppose 28 days then.....he's going to be spitting feathers!!! Thanks for the reply.

Morning, you only need to wait to back fill the basement, you can get on with the ICF walls withing a few days of the pour.

[Carrerahill]

1 hour ago, hallega said:

Hi everyone, 

 

Do we have to wait for 28 days before we can start placing out our Durisol blocks, hubby is chomping at the bit, anyone advise anthing else?

3 days is how long you should wait if you are going by a civils/structural guide.

 

 

[Conor]

1 hour ago, hallega said:

Hi Conor, it's a basement...so l suppose 28 days then.....he's going to be spitting feathers!!! Thanks for the reply.

 

Only 28 days for Backfilling. ICF can start straight away.

 

[hallega]

Many thanks, he's a lot happier now knowing this. Still putting together miles and miles of re bar...ordered a machine to do the job!