Pole Barn Concrete Floor Vapor Barrier

A concrete vapor barrier is any material that prevents moisture from entering a concrete slab.

Pole barn concrete floor vapor barrier.

That air condenses on the cooler concrete floor. Place 3 to 4 of clean and drained sand on top of the vapor barrier to decrease differential drying shrinkage and floor curling. A vapor barrier under your concrete slab is essential for moisture prevention. The american concrete institute s guide for concrete floor and slab construction recommends that the thickness of the vapor retarder be at least 10 mils.

Pole barns direct 505 nassau st. Heated with propane a couple months a year. Vapor barriers are used because while fresh concrete is poured wet it s not supposed to stay that way. W east canton ohio 44730.

Well it s too late and i am in the process of making a little. Have concrete floor with vapor barrier under it. Post frame buildings with metal roofs and especially buildings with minimal insulation hold warm moist air. When we poured the floor years ago poured it over gravel.

A vapor barrier under your slab will also protect you from harmful ground pollutants like radon gas. Always install a good vapor barrier such as a2v reflective insulation available through hansen buildings below any interior pour to stop moisture from traveling up into slab through capillary action. Inside my pole barn the concrete floor always feels damp. The amish guys that are doing it say i don t need plastic on the walls and ceiling but i think morton suggests it.

Puncture studies of 6 8 10 and 20 mil vapor retarder materials have shown that 10 mils is the minimum thickness that should be considered and thicker material may be necessary over. I am insulating my 42x60 mrton bldg with batt fiberglass in side walls and blown in 30 fiberglass in ceiling. I have a 40 x 20 pole barn type building with a concrete floor it was probably built in the mid 70 s.