Plastic/Metal Patio Drainage Channel - Integration in Slab Extension
I am laying a A120 mesh reinforced 4" slab ( on 8" conpacted hardcore) butting against an existing 4" reinforced slab ( not laid on hardcore) I want to use the drainage channel to replace the proposed expansion joint (compression board and sealant) . The question is: how should the drainage channel be supported to prevent post installation movement AND will it replace the expansion joint
Asked 5 years, 9 months ago
- St Denys, Southampton
on Drive And Patio Drain Gully
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This needs to be bedded in concrete and it can be used either with or without the expansion joint.