Would anybody be able to tell me if the universal seal from screwfix would fit my frame. The opening is 3mm. I have had a good search and looked at the different gaskets. Unfortunately I don't have the original seal !
Thanks
http://www.screwfix.com/p/stormguard-upvc-seal/89084
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Thanks
http://www.screwfix.com/p/stormguard-upvc-seal/89084
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