There is one major caveat to the effectiveness of an attic fan.
Attic battles tight attic.
If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary.
I d blow insulation on the attic floor after air sealing of course.
You must have a tight seal between your living space and your attic to get an energy efficiency boost.
The access is in the ceiling probably in a closet and no one notices the draft.
The big disadvantage with spray foam is cost.
As with attic floor insulation moisture and heat removal are the reasons for creating proper air movement.
Oct 3 2017 explore iishana artra s board attic stairs for small spaces on pinterest.
See more ideas about attic stairs stairs loft stairs.
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.
Most homeowners and builders don t recognize how much conditioned air escapes through an attic access.
This one manufactured by battic door maintains the house s air barrier.
Run baffles the entire length of the rafter bay from the soffit vent to the ridge vent.
Just a few pointers and ideas that may make this crappy job a little easier.
It provides an air tight high performance scuttle door that is more energy efficient than pull down ladders.
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.
The single biggest leakiest hole in most houses is the attic access.
Installing baffles in a attic where the insulation has already been installed.
Make your attic access energy efficient with the make your attic access energy efficient with the e z hatch deluxe r 42 attic access door.
The foam block should sit flush over the exterior sheathing on the outside and the interior drywall on the inside.
Often attic accesses are no more than a piece of painted plywood on a couple of cleats.
The hatch is available in several versions depending on the required amount of insulation in the attic.