There are two schools of thought regarding the underside of the subfloor.
Vapor barrier under pier and beam.
Have 18 vents also have 3ft x 3 ft opening wth door that stays open in the summer excessive moisture makes puddles of water on ground under home only does this when a c has ran big water droplets form on belly paper or moisture barrier had a c duct work chk d.
Install the insulation with the vapor retarder facing the living space.
The improvement will be an order of magnitude.
Vapor barrier under pier and beam hi all i m bad at home ownership.
Since austin is an ac dominated climate the vapor barrier will be on the correct side and unless there is a vinyl or other impermeable flooring above it the open cavity floor assembly can dry to the inside.
If the seams are taped there is no need to take any additional measures for air sealing.
Mike in victoria writes i m putting a new subfloor on a pier and beam foundation do i need a vapor barrier between the floor joist and the plywood.
December 8 2016 by arfan leave a comment.
Install the batts or rolls with the vapor barrier against the floor and cover the side facing the earth with masonite or thin sheets of plywood to keep birds and rodents out.
Do i need a vapor barrier between the floor joist what flooring can i use on a pier and beam house how do i find out where moisture is coming up from how can i protect floors on my pier and beam home should there be a moisture barrier under a block and.
If your home is built on a pier and beam foundation you may need to add insulation.
But in many parts of texas pier and beam foundations are a necessity especially in areas that receive heavy rainfall seasonal moisture and flooding.
Vapor barrier under pier and beam.
Pier and beam foundations were far more common 60 years ago than they are today.
So i m getting sick of the summer musty smell in our 1950s wood floor house.
A pier and beam foundation elevates the home above the ground creating a crawlspace that is typically around 18 inches in height.
You could insulate the floor joists using 9 1 2 inch thick r30 faced batt insulation held in place with insulation supports i e galvanized chisel pointed wires in various lengths for use between 16 or 24 inch on center joists and available at your local home center.
The house was built back in 1926.
Most homes today are now built on modern concrete structures on account of their low cost and efficient design.
With this structure wood posts or concrete piers are placed deep into the ground to hold the weight of the home.