Some images of a water in pipe underfloor heating installation.
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Here you see the castellated insulation panels already placed over the concrete slab, used in this case because of the complexity of the layout with the central island and large window area requiring close spacing, in less complex designs flat insulation panels with a rail system for pipe fixing may be more appropriate. The loops of pipe are being laid in spiral patterns to give even heat coverage. This particular room needed three loops of pipe.
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This image shows the pipe loop entry point into the room.
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This image shows the manifold which takes the flow of hot water from the central heating boiler, modulates the temperature, and pumps the water around the pipe loops. The three loops of the above room are already connected and the three loops for the other rooms to be run from it are still to be connected.
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Once the pipe loops are all laid down and connected to the manifold the system can be pressure tested. After a successful pressure test the pipe loops are then pressurised to working pressure and the screed is laid over them giving an even floor surface ready for tiling, carpeting etc. once dry.
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