Doors & Windows · Doors & Windows
Replace a Door Weather Seal

Repair summary
Perished bottom-door seals let in draughts, bugs and water. Unscrew or peel off the old seal, measure the door width, cut the new seal 5mm short, and screw or stick it on with the brush touching the threshold.
Likely issue
Perished or compressed door seal
DIY difficulty
2/5
Estimated DIY cost
$20–$30
Estimated tradie cost
$140–$250
Tools required
- Drill / driver
- Hacksaw
- Tape measure
Materials required
Step-by-step instructions
- Slide a piece of paper under the closed door to check where the draught is coming through.
- Perished bottom-door seals let in draughts, bugs and water. Unscrew or peel off the old seal, measure the door width, cut the new seal 5mm short, and screw or stick it on with the brush touching the threshold.
Safety warnings
Wear appropriate PPE (gloves, safety glasses), isolate power or water where relevant, and stop work if anything looks unsafe or unfamiliar.
When to call a tradie
Call a licensed tradie if the work is outside the scope of this guide, involves regulated trades (electrical, gas, structural, waterproofing), or if you discover hidden damage. A professional will typically charge $140–$250.
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