The floorboard installation should be done as tightly as possible and with an expansion / contraction gap of about 5-10mm left all around the edge.
If you opt for our flooring with the cabin this will come included with the floor joists, tongue and groove boards and skirting boards needed to install the flooring, along with the fixings.
With our flooring, this is completely floating so is the last thing that is installed with the cabin. As this is a floating floor, the floor is not attached to the rest of the building.
When laying the joists, these sit directly on top of your base, and should be evenly spaced at 350-400mm intervals. The floorboards then rest directly on top of these, and the boards should be fixed with two nails per board everytime this meets a floor joist.
It is a good idea to also use a damp proof membrane on top of the base, dished up inside the foundation beams. The floor joists will then sit on your DPM, this is highly recommend if you are going to be insulating the floor.
If you have a 26mm floor, this can sometimes sit higher than the cabins door threshold. This can easily be rectified by either planning back the flooring to create a slope. Or, you can pack under the door frame to ensure the threshold sits higher. If you were to pack underneath, you would also need to increase the expansion gap left above the door frame, to allow for the additional height at the bottom.
Please see the link below for our floor installation instructions:
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