Caulk Windows and Doors
Why It Matters
Caulk gaps let rain and air into your walls. Sealing them prevents water damage and keeps your energy bills in check.
Quick Guide
- 1
Gather your tools and materials
You'll need: Caulk gun, Putty knife. Materials required: Exterior silicone or polyurethane caulk.
- 2
Perform the caulk windows and doors
Apply or replace exterior caulk around windows, doors, and where siding meets trim.
- 3
Verify and clean up
Check that the work was completed correctly and clean up your workspace.
Tools & Materials
Tools
- Caulk gun
- Putty knife
Materials
- Exterior silicone or polyurethane caulk