Slab Heating

Footings and sewerage pipes have been installed. Now the various preparations for the concrete slab pour are underway.

This is the hydronic in-slab heating. The 30kW gas boiler is outside with the hydronic manifold inside the laundry cupboard. This will double up as a drying cupboard.

You can see the slab reinforcement mesh. The engineer has specified slightly thicker mesh than you normally use for residential slabs, because of the sloping block and the height above ground.

The outer course of bricks is a veneer. The inner course transfers the weight from the slab down to the footings. Underneath the black plastic is foam insulation.

The builder now needs to wait for a good day to pour the slab. Too hot, too cold, too dry, too wet, or too windy, will all mean an inferior slab. This is going to be a burnished concrete finish, so it needs to be just right.