caulk window and door frames

initial requirements:

• Missing or cracked caulk between the window or door frame and the exterior or interior wall finish

materials needed:

• Acrylic latex caulk with silicones, silicone caulk, 1-part urethane, or other durable caulk
• Backing material, such as foam backer rod

tools needed:

• Caulk gun
• Putty knife

required skills: Simple handiwork

annual energy savings: vary widely

average time required: about ¼ hour/window or door

project steps:

1. Clean old, dried caulk out of the crack between the wall and window or door frame.
2. Apply caulk to the crack. If the crack is wider than 1/4”, use backing material to fill the gap, then cover with caulk.