That s dimensions between the framing of your attic joists which is typically 24 on center.
Size of rough opening attic stairs home depot.
Standard openings are 22 5 x 54 but some homes have wider openings.
Roughing an opening for fold down attic stairs.
Offers a large selection of attic ladders in various lengths and material they are designed to fit standard rough openings of.
A few years ago tom silva was halfway up a folding attic stair trying to figure out why it wasn t working right when a loose screw let go a.
Built for safety this sturdy wood ladder makes it easy to access your attic with nine non slip steps and a convenient handrail for support while climbing.
Lowe s will coordinate your attic ladder installation service to remove your old attic ladder handle your new attic stair installation and haul away the old unit.
When buying stairs look for a stair with a load rating of at least 300 pounds which have the sturdiest treads stringers and hinges.
Conversely some homes have smaller openings or hatches.
Attic ladders are sized based on the rough opening.
Weight capacity designed to fit ceiling heights from 8 ft.
The length is simply the dimension between the two pieces of lumber that form the end of the opening.
22 1 2 x 54 25 x 54 25 1 2 x 64 and 30 x 54.
A correctly sized opening for a stairwell allows sufficient width for a person to walk up and down and enough headroom to avert the sickening thwack that occurs when a person s head makes unexpected contact with the ceiling.
In new installations a rough.
According to the national safety council 984 000 people suffered injuries as a result of using stairs during 1996.
So with a 24 on center and framing lumber being 1 1 2 thick the dimension between the inside edges of the two joists is 22 1 2 24 3 4 3 4.
The ladder offers a universal fit for homes with ceiling heights 8 10 ft designed for attic openings 22 5 in.
Attic stairs are ladders so put safety first pro2pro tip.
Fold down attic stairs provide convenient access to your attic without taking up space in the floor below the attic.
It s important to understand the opening size you have or will create to ensure you select the correct attic ladder product for your home.
Minimum opening size 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.
Lightweight aluminum construction boasts a 375 lb.
Load capacity while gas struts ensure smooth easy door opening.
Measure the rough opening in your ceiling both the width and length.
And standard ceiling openings of 22 5 in.