void between two concrete slabs.

Postby baldymark » Mon Feb 15, 2010 11:47 am

i have recently had an extension built on back of my house, wot i am trying to find out is how do i fill the gap in the existing cavity at floor level after i take out the patio doors, would i need to put a DPC though.
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Simply Build It

Postby stoneyboy » Tue Feb 16, 2010 10:45 pm

If you have the depth cut the internal wall below floor level fit a cavity closer and concrete on top to reinstate the floor level. Keep dpcs intact.
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