Even a new solid core door is not as expensive as four or five cans of insulating foam and the time and effort you would spend insulating it.
Insulating hollow core attic door.
The access door is in our closet which is fine except the fact that the crawl space has very little insulation and neither does the door.
Add foam insulation sheet.
At the time my builder compromised with me and installed pretty decent weather stripping on these doors.
As you can see using the flame test the door is a little crooked which leaves a gap at the top and the bottom which allows cold air to flow into our closet.
Glue a 1 to 2 inch sheet of foam insulation to the back of the door.
Replace your hollow core door with a solid core door.
The air in these attic closets is not conditioned.
Many door makers stipulate that interior grade hollow core doors be installed only in interior partition separation applications.
Luan plywood doors are certainly impossible to fill with spray foam the veneer is only an eighth of an inch thick or so even the styles of the door are very thin and wouldn t resist the force of the expanding foam.
Exterior installations of these doors can lead to delamination and deterioration above and beyond the insulation issues.
You can purchase pre cut attic door insulation material at your local home improvement store or online.
The previous owner had stapled batt insulation to the back of this hollow core door but it s clearly not enough and the magnetic latch is pretty pathetic at holding the door tightly sealed.
It gets pretty chilly in that closet during the winter months since the door is a simple hollow core wooden door that does very little to keep out the cold air in the attic.
The makeup of a hollow core door is significantly different with a honeycomb cardboard interior encased by fiberboard or veneer compared with the all wood composition of a solid wood door.
Add fiberglass or rigid foam board to back of hatch.
This works well if you re insulating an attic or storage space where the foam door won t be seen.
Mass loaded vinyl can be installed inside of the door s core or on the inside of the door in the room.
Hollow core doors are not hollow they have an internal support structure usually cardboard glued between the panels.
In the closet of an upstairs bedroom there is a door about 3 4 the size of a normal door that leads to an unheated attic space.
But on very cold days the doors feel cold to the touch.
Often pre primed or painted for quicker installation.
My thought is to attach a solid piece of 2 high density styrofoam insulation to these doors.
Lighter weight makes them easier to install.
Less susceptible to expansion and or contraction.
Your best bet is to order replacement doors for the door openings and select insula.
Provide little in the way of.
So they re not drafty.
There is a hollow core door with a magnetic latch that allows access to this space.
Most doors especially those with a hollow core dampen sound without blocking it.
