These siding joints can be caulked successfully if the gap is wide enough for the caulk to get into the crack.
Caulk siding joints seattle.
Similar to weatherstripping caulk strips are pre shaped rolls of sealant that have a peel and stick installation.
We only caulk butt joints on cedar siding if previously caulked.
It was painted by a contractor who caulked the joints before painting.
If the siding joint is so tight that the caulk only bridges the gap it may split.
Generally we do not recommend caulking butt joints on cedar siding.
Here s how to make the right choice.
I read your info.
About 6 12 months later the butt joints looked awful.
Elastomeric polyurethane latex or silicone.
Butyl rubber is sometimes recommended for exterior siding since it s a specialty outdoor caulk that can withstand changes in temperature and repeated exposure to the elements but you can choose any exterior caulk that will bond to your siding just make sure to read the labels and spot check on an unseen portion of your siding to make sure.
About installing flashing on already installed siding.
All the caulk.
I feel caulking will help a lot and enhance the appearance of the house.
Most of the caulk on store shelves is basically one of four types.
Siding windows and doors.
Caulk backer rods are lengths of foam that help fill large gaps before caulking.
The selection in the caulk aisle at home centers is mind boggling but actually choosing the right one is pretty simple.
My neighbor s house has hardie plank siding.
Another critical place is where the siding butts together in the middle of the wall.