Attic Battles Tight Attic
Run baffles the entire length of the rafter bay from the soffit vent to the ridge vent.
Attic battles tight attic. The big disadvantage with spray foam is cost. The single biggest leakiest hole in most houses is the attic access. The kit includes a wood frame preinstalled trim and an insulating door. Air seal the attic baffle once the attic baffle is fixed in place seal the drywall edge against the interior wall with a bead of foam sealant then fit one of the foam blocks horizontally over it.
The foam block should sit flush over the exterior sheathing on the outside and the interior drywall on the inside. Most homeowners and builders don t recognize how much conditioned air escapes through an attic access. As with attic floor insulation moisture and heat removal are the reasons for creating proper air movement. An attic hatch can be a serious air leak.
Often attic accesses are no more than a piece of painted plywood on a couple of cleats. Installing baffles in a attic where the insulation has already been installed. This one manufactured by battic door maintains the house s air barrier. I d blow insulation on the attic floor after air sealing of course.
The access is in the ceiling probably in a closet and no one notices the draft. There is one major caveat to the effectiveness of an attic fan. See more ideas about attic stairs stairs loft stairs. You must have a tight seal between your living space and your attic to get an energy efficiency boost.
It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. The hatch is available in several versions depending on the required amount of insulation in the attic. Just a few pointers and ideas that may make this crappy job a little easier. Otherwise the air circulation created in your attic could suck a significant share of your air conditioned air up and out of your house through cracks and gaps in your ceiling.
If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary.