Weatherstripping provides a flexible seal around doors to help prevent unwanted air from moving in or out of your home. Doors generally have two types of weatherstripping. The first is a compressible, moulded strip of foam or rubber set against the frame towards the outside. The opening part of the door rests against the weatherstripping when the door is closed, forming an air and water seal. The second type located at the bottom of the door is called a ‘sweep’ or a ‘threshold’ and is typically a metal or vinyl piece that holds a flexible fin or a row of thin fins that sweep across the door’s sill as the door Most entry doors are made of steel or fibreglass with a glued piece of foam core or injected foam core sandwiched between the door faces. closes. Door sweeps can be purchased in a variety of types and depths. Exterior door sills usually feature a series of adjustment screws so the level of the sill can be raised to the door sweep to provide an effective seal. The door between the garage and the home will be carefully weather- stripped to prevent garage fumes from entering the home. Check this weatherstripping yearly and if installed the self closing hinges that automatically closes the door after opening. The door should fully close and latch after entry to the home or exiting to the attached garage.v Why is my exterior door assembly not sealing? Exterior Entry Doors Weatherstripping will wear out with time. Each fall, you should check weatherstripping and sweeps around the perimeter of exterior doors and replace if necessary. CABINETS & DOORS 47