James & Ian install Keylite roof windows in Part 10 of our How To Build An Extension series.
Keylite Roof Windows: https://www.keyliteroofwindows.com
ForgeFast Elite Performance wood screws: https://www.forgefastelite.com
Keylite Roof Windows: https://www.keyliteroofwindows.com
ForgeFast Elite Performance wood screws: https://www.forgefastelite.com
Indoor Air Quality Checklist – Are You Protecting Your Home? Use our checklist to assess if your home is at risk from poor ventilation and moisture buildup.