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The Reddiseals range of weatherseals are manufactured to give you the ultimate solution in draught proofing your timber windows. The range, extruded using a range of high performance Thermo Plastic Elastomers, exhibit a range of performance characteristics, these include high compression and deflection recovery properties ensuring longevity and durability in your windows. All seals comply with the requirements given in BS644 for timber windows and achieve a severe weather rating of Class 4 when tested in accordance with the requirements in BS6375. F, W and R weatherseals are tested to BS7412 exceeding the dynamic standard for opening areas.