Me and my husband just put up an Arrow Metal Shed. We went the cheap route due to the fact that for us a shed was just put lawn mower in and leaf blower. Well, I see openings and wanted to seal the shed but I'm trying to find the best caulk for water resistance. Any body got any ideas?
I used to work in construction and we bought silicone caulk at Lowes and Home Depot. Look for "window" caulk with silicone. It's what we used to seal around aluminum windows. It is what I used on my own house when we built it. It should last for 10 or 20 years, depending on which one you get. It comes in various colors too, and even clear.
You may want to wear gloves when applying the silicone caulk. It doesn't wash off like regular caulk does. This is the one we get: