Winter Debris Covers Certikin winter debris covers are manufactured to the highest standards using the finest grade woven polyethylene. They are available in an attractive forest green, blue or our new tan colour which is an excellent compliment to stonework or decking. Covers should be ordered to allow for a 300mm (1′) overlap around the full perimeter. When ordering please add 600mm (2′) to each dimension. Covers are invoiced in metric to the actual square metre finished size. All winter covers are supplied in box and with a storage bag. Freeform covers are made to the dimensions and drawings supplied at the time of order and will be charged using the widest measurements of the pool. Extra large covers of 17m x 6m or more can only be manufactured in the Maple style and a 24% surcharge will be applied. Closer strap spacing or straps longer than 1m carry a 10% surcharge. Maple Made from woven polyethylene with reinforced corners, anti-chaffing strips and stainless steel fixings at approximately 1.2-1.5m centres. Criss Cross As for the Maple but with webbing straps stitched across the full length and width of the cover for extra strength. Cedar As for the Maple but includes a tough PVC skirt stitched to the underside of perimeter and fixings at approximately 1m centres.