Unlike other manufacturers, Coleman rigid coolers are insulated with Polyurethane insulation (PU). PU is a very dense and an excellent insulator filling the entire internal cavity of the cooler, leaving no air gaps and so improving its insulating efficiency.
Extensive testing at Coleman has shown that cooling loss from rigid coolers is 30% through the top and also 30% through the base. Coleman's latest models feature increased insulation in these particular areas together with reduced insulation on the sides. The result of these changes is not only improved cooling performance but the reduction in exterior dimensions and the increase in internal volume.
When a cooler comes in contact with a warm floor, heat is transferred directly from the floor to the cooler and reduces the cooler's efficiency. Coleman has included shaped feet into the design of its newer rigid cooler models separating the cooler base from the floor and increasing airflow. This flow of air acts as an additional form of insulation, slowing the transfer of heat from the floor and so improving the coolers performance. Additional research has also resulted in the rounding of the cooler’s corners, once again this change of shape has increased airflow and further enhanced their performance.
When a cooler comes in contact with a hot floor, heat is transferred directly to the cooler. If the cooler is lifted off of the ground, the heat is transferred through the air in the gap (air is a great insulator). Cooler have two integrated, rounded feet providing the perfect amount of space for air to flow.
Research indicates that the most performance efficient shape for a cooler is spherical, as this is not practical we have angled the corners of selected models to further enhance performance.
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This is £60 for kayaks and SUP boards less than 3.5 metres and £90 for longer kayaks and SUP boards. For Surf boards the cost is £35.
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