Roughing an opening for fold down attic stairs.
Rough opening size for attic door.
Full size attic ladders usually need an opening in the ceiling that is at least 22 1 2 x 54 inches.
Fakro lwf 22 5x54 fire rated wood attic ladder 7 95 ft to 10 08 ft.
Unobstructed headroom of at least 30 inches must be available above the attic opening.
Capacity item 1255125 model 869718.
Also make sure there is a suitable landing space in the attic so you can safely mount and dismount the ladder while carrying items.
22 5 in x 54 in folding wood attic ladder with 300 lbs.
The 2012 international residential code requires an attic access opening for attics with an area greater than 30 square feet and a vertical height in excess of 30 inches.
For fire rated openings drywall must extend at least 1 2 into frame.
You should add 2 1 2 to the height of the actual door.
This is one attic ladder that you will install with great ease.
If mechanical equipment or appliances are housed in the attic there must be an unobstructed passageway large enough for the removal of the appliance.
Fold down attic stairs provide convenient access to your attic without taking up space in the floor below the attic.
In new installations a rough.
Getting the rough opening size right the first time will save you from frustration when installing your doors.
Screw the hinges included to one edge of the door and then attach them to the frame of your opening.
Looking for a space adequate to this opening is your first step.
The rough framed opening.
Due to various opening sizes and finishes a door is not included with this ladder.
The second factor to consider is the ceiling height.
It is an insulated ladder with a steel scissor mechanism that is good for rough openings that are 22 by 31 inch in size.
An existing rough opening that does not fit the attic ladder s rough opening can be framed to accommodate the attic ladder.
The fakro lst 66875 best attic ladder is also adjustable so it can fit ceiling heights that go between 7 feet and two inches and 9 feet and 6 inches.
This will give you room to space the door frame off of the sub floor.
A opening width 2 b opening height 1 the rough opening would be 38 x 85 for a 3 0 x 7 0 door frame.
To make a door use cabinet grade plywood cut 1 8 smaller than the wood door frame opening.
Framing rough opening sizes are really quite simple.