Our insulation is provided as a 25mm foil backed polyurethane board. This board needs to be suspended under the floor of the cabin using insulation clips. These unique clips make it quick and easy to install insulation with as little fuss as possible, and hold it firmly in place. Cut the insulation to suit. Push the clips into the insulation along its long edge at 1000mm intervals, so that the flat edge of the clip sits on the face of the board. Fit the insulation tightly between the bearers and push it down so that the base of the clip lies level with the bearer.