If it is sealed the blower door will not fluctuate.
Seal your attic.
Air seal your attic for energy savings.
Wear a lightweight disposable coverall available in paint departments gloves and a hat to keep itchy insulation off.
The easy way to check an attic seal is to start the blower door with the attic access closed then open it.
Your options for air sealing the attic door are.
The stops provide a wider surface for attaching the weatherstrip and a space to mount hook and eye fasteners.
The attic is usually where you can find some of the largest opportunities to save energy in your home.
Most people just add insulation to their attic this will not stop the escaping warm air.
If your hatch rests directly on the moldings add 2 1 2 inch wide stops around the opening.
Once you have the materials you can begin to seal and insulate the knee wall access door through these steps.
Better yet there are high quality products such as the attic gator designed to both seal and insulate attic access doors and scuttle holes.
From inside the attic check for any openings holes or fenestrations into the knee wall surrounding area.
Buying an attic door 2.
Apply weather stripping to the door to create a seal.
Testing pretty well and sealed is like pregnancy.
Don t spend more than 15 or 20 minutes in a.
By air sealing in your attic you can stop many major air leaks and help to maintain the desired temperature throughout your home.
Pick a cool cloudy day if possible.
Building an attic door.
To properly seal your attic hatch also known as an attic door or scuttle hole at a minimum you should apply weather stripping and ensure the attic side of the attic door is insulated.
Choose your insulation type and material 1.
Sealing the attic hatch or door finish up by sealing the access hatch with self sticking weather stripping.
Combined with attic insulation air sealing can help to alleviate the formation of dangerous ice dams in the winter.
Always wear a double strap.