Yes the QuiXseal system turns your existing door into a super efficient FLOOD DOOR /ECO HAUS DOOR . Can be Retro-fitted to most doors. You can enjoy the benefits of a full watertight and airtight door . Ideal for your modern or traditional doors, or you are protecting a Listed, Historic or Conservation Area property from Flood. IT IS ADVISED THAT WE UNDERTAKE A SITE SURVEY FIRST(refundable fee) To check the suitability and fit for your door/s. Your Door may be made of UPVC , COMPOSITE, STEEL, GLASS, TIMBER, HARDWOOD / SOFTWOOD, ALUMINIUM. Most can be Retro fitted with QuiXseal.