Doors FAQ

You can tell an exterior door needs full replacement when there are structural issues such as warping, rot, moisture intrusion, or broken seals that affect security and energy efficiency. Minor problems like loose hardware or damaged weatherstripping can be repaired, but widespread drafts, swelling, or visible daylight around the frame indicate the door is no longer sealing properly. Replacement is also recommended when the frame is out of square or when damage affects insulation or security.

Steel, fiberglass, and solid wood doors are the most durable exterior door options. Steel doors offer strong impact resistance and reinforced security, fiberglass doors handle weather exposure and resist warping, and solid wood doors provide natural strength with proper maintenance. Many modern doors include multi-point locking systems, insulated cores, and reinforced strike plates that improve security and long-term durability.

Modern exterior doors improve energy efficiency through insulated cores, tighter weatherstripping, low-E glass, and advanced frame materials that limit heat transfer. These features reduce drafts, prevent air leakage, and help maintain indoor temperatures. Energy-efficient doors can lower heating and cooling costs, especially in climates with hot summers or cold winters.

Steel doors provide strong security and impact resistance but can dent if hit with heavy force. Fiberglass doors mimic the look of wood while resisting weather, warping, and moisture damage, making them a low-maintenance option. Wood doors deliver a natural, premium appearance but require regular sealing or refinishing to protect against weather exposure. The best choice depends on climate, maintenance preferences, and desired aesthetics.

Most exterior door replacements take a few hours to a day depending on door type, framing condition, and whether trim, thresholds, or sidelights need adjustment. Installing a new construction door or correcting damaged framing can extend the timeline. Proper installation includes leveling the door, sealing gaps, adding insulation around the jambs, and testing hardware for smooth operation.

Homeowners should measure the existing door slab width, height, and thickness, along with the rough opening and jamb depth, to ensure compatibility with replacement units. It’s also important to note swing direction, hardware configuration, and any sidelights or transoms. If the frame is rotted, out of square, or undersized, a professional assessment is recommended before purchasing a new door to prevent fitment issues.