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Exterior

Caulk Windows and Doors

EASY45 minExteriorPart of Fall Maintenance

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. 1

    Gather your tools and materials

    You'll need: Caulk gun, Putty knife. Materials required: Exterior silicone or polyurethane caulk.

  2. 2

    Perform the caulk windows and doors

    Apply or replace exterior caulk around windows, doors, and where siding meets trim.

  3. 3

    Verify and clean up

    Check that the work was completed correctly and clean up your workspace.

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Tools & Materials

Tools

  • Caulk gun
  • Putty knife

Materials

  • Exterior silicone or polyurethane caulk