DIY home guide: Winter
How to protect the value of your property, cut energy costs, avoid costly repairs, and spiff up your surroundings this winter.
Cost: $7 for a can of WD-40
Squirt penetrating oil like WD-40 into the hinges and rollers so that the door will open and close more quickly. Next up, test the safety reverse mechanism -- which prevents the door from shutting on someone -- by waving a broom in front of the electric eye while the door is going down.
NEXT: Patrol for pests
Last updated January 28 2011: 4:46 PM ET