Weatherproofing & Drainage Solutions

Step-by-step guides, tested in real houses.

Caulk gun laying a clean bead of white sealant along an exterior window frame, with weatherstripping and a utility knife on the sill

ExteriorWeatherproofing & Drainage Solutions8 min read

Seal It Up: Weatherproofing Your Home Before the Seasons Turn

A DIY weatherproofing checklist: find air leaks, caulk exterior gaps, add weatherstripping and door sweeps, and cut drafts for about $40 in materials.