Sherwin williams has a moisture vapor barrier latex paint b72w00001 that comes in at less than 1 perm.
Air vapor barrier paint.
Moisture vapor barrier primer finish interior latex is a coating designed to reduce the loss of moisture through walls and ceilings.
Vapour barrier paint or vapor barrier paint in the u s.
Ccw 705 twf xlt datasheet a 40 mil thick self adhering.
It combines a primer and finish in a single fast drying coat and is specially formulated for manufactured housing facilities.
Water vapor barrier paint is often applied to drywall walls and ceilings in attics where warm air tends to rise.
Ccw 705 xlt strips datasheet ccw 705 xlt is a low temp version of 705 strips.
Is more of a solution for walls rather than ceilings to prevent the indoor vapour drive during hot humid weather.
Without water vapor barrier paint the warm air would release its water inside of the walls and ceilings where the water would saturate the insulation and framing.
In 2017 dalia kaminski of montreal needed some and has shared with me some very thorough research.
Ccw 705 air vapor barrier strips datasheet sds detail self adhering flashing for detailing ccw 705 and barriseal systems.
An air barrier vapor diffusion retarder attempts to accomplish water vapor diffusion and air movement control with one material.
Benjamin moore has a super spec primer k206 00 that is a latex paint and comes in at less than 0 5 perms.