A Fibreglass or UPVC construction (1) which will vary in shape and size according to which type of entrance i.e. door, window, airbrick etc, it is to cover. When fitted properly to the outside of the building and over the entrance, the rubber seal (4), which will vary In size depending on what type of surface it is to be secured to, will create a watertight seal, and therefore protect the inside of the property from water damage.