Be sure that the access door is well fitted and doesn t let air escape around the edges.
Openjng attic door for heat.
But by adding powered attic fans you will draw more air into the attic.
One static vent style is the turbine vent which uses wind to power its enclosed fan all it takes is a light breeze to rotate the blades and suck heat out of the attic view example on the home.
Your attic acts as an insulation between the terrace and the living room.
The stops provide a wider surface for attaching the weatherstrip and a space to mount hook and eye fasteners.
But while downstairs is just right.
As you know cold air settles and hot air rises.
This insulation is penetrated if you open u.
Then prop open the garage s attic access ladder by about 12 inches or enough to let a sizable draft enter your attic.
Opening your attic access panel will draw that air into the attic and help to push the hot air up there and out through the roof vents assuming you have proper attic ventilation.
Attic fans push out the hot air and pull in the cool air from the vents installed on your roof.
If your hatch rests directly on the moldings add 2 1 2 inch wide stops around the opening.
Finish up by sealing the access hatch with self sticking weather stripping.
If you want the heat out of your attic a reflective roof or radiant barrier are better ways to get there.
Opening your automatic garage door will let cool air and a draft in.
Sealing the attic hatch or door.
I think you should do the reverse one.
In late winter early spring we can go weeks and weeks without using either the a c or heater by opening windows at night to cool the house then closing them in the morning to keep the house cool.
To ensure that the attic fan is working properly you need to make sure that your attic is sealed up tight where it touches the ceiling of the top floor.