Sealing The Attic Side Of Tongue And Groove

But i agree that the best idea to create an air barrier would be to install a layer of drywall plywood or foam board to the back of the tongue and groove and air seal it in place.

Sealing the attic side of tongue and groove.

In extremely cold climates you would add a polyethylene vapor barrier on the warm side of the ceiling that is right over the ceiling boards before installing attic insulation. Using an acrylic latex polyurethane you can seal your tongue and groove pine paneling with a foam paint roller brush or paint pad. Ceiling above family room has exposed 6x6 wood beams with 1x6 pine tongue and groove slats resting on top. Finishing one side and not the other seals one side the in side from humidity while the up side is un sealed and in the attic.

A paint pad cuts out bubbles and allows you to spread the polyurethane evenly and quickly so it s the recommended tool. Installing tongue and groove walls can be a real workout. Access the ceiling with a stepladder and apply a fresh coat of oil based stain using a 4 inch paintbrush. Would something like a thompson water seal work or are there better products out there.

2 you have to seat the tongues and grooves together and they don t always want to marry. Any advice would be helpful. 3 tongue and groove isn t always flat so you have to force the boards together to get them seated. Should we seal it before or after we install it.

Trying to determine if and what i should seal the wood with. That would serve as both an air and vapor barrier. We don t want to lose the color. 1 you re usually working over your head.

If you need to refinish a tongue and groove ceiling that has already been installed spread plastic drop cloths on the floor and overlap them with fabric drop cloths. My parents in their old house had pine tongue and groove paneling in a dining area with no direct sunlight they sealed it with the stuff that was used then on gym floors poly later when they took down some old fashioned art to update the silhouettes of the art was definately seen on the yellowed now pine it was awfull looking they tried sanding it out but it went deep so be careful. If moisture humidity gets to the up side it will swell causing the board to cup. No paper no housewrap no drywall no other insulation nothing but dust.