Does caulking windows and weatherstripping doors help tighten up a house for winter? Not so much, according to building scientist and blogger, Allison Bailes.
Instead, he offers 10 things you can do for your clients that will really make a difference. It starts with a recommendation to identify the motivation: Is it reducing utility bills, reducing condensation on windows, or just making the back room livable in winter? There's also a warning for DIYers about the harm they can do if they don't get it right--something that might be good to put in front of your clients.