I've removed 7 old windows and installing 7 new ones exact size.
I would be best way to install window to ensure there's no outside draft
Normally I just install window and of course foam core is on the
house......then squirk that expandable spray installation between window and
Draft is a lot less an issue than that WATER stuff.
Given that these are holes into your house and into the wall,
you might wanna have a pro come in and work with you on it.
Flashing and insulation depend on exposure and your geography.
(said the guy dealing with replacing some sliding doors because
the builder flashed it just fine for a house that doesn't get
hard winds coming up a hill and blowing water UP. Then I get
to fix/replace some floors).
HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here.
All logos and trade names are the property of their respective owners.