Sherwin williams has a moisture vapor barrier latex paint b72w00001 that comes in at less than 1 perm.
Air vapor barrier paint.
Vapour barrier paint or vapor barrier paint in the u s.
Water vapor barrier paint is often applied to drywall walls and ceilings in attics where warm air tends to rise.
Is more of a solution for walls rather than ceilings to prevent the indoor vapour drive during hot humid weather.
Benjamin moore has a super spec primer k206 00 that is a latex paint and comes in at less than 0 5 perms.
Ccw 705 xlt strips datasheet ccw 705 xlt is a low temp version of 705 strips.
Moisture vapor barrier primer finish interior latex is a coating designed to reduce the loss of moisture through walls and ceilings.
It combines a primer and finish in a single fast drying coat and is specially formulated for manufactured housing facilities.
Ccw 705 twf xlt datasheet a 40 mil thick self adhering.
The reason as you may have read is that when there is a vapour barrier in homes in hot humid climates that rely on air conditioning for human comfort that vapour barrier.
In 2017 dalia kaminski of montreal needed some and has shared with me some very thorough research.
Ccw 705 twf datasheet sds spec detail certs self adhering thru wall flashing.
Ccw 705 air vapor barrier strips datasheet sds detail self adhering flashing for detailing ccw 705 and barriseal systems.