I have some photos of attic if that will help to answer my question.
Installing attic stairs perpendicular to joists.
Step 2 cut joist support boards.
The middle of the load that it is any cut and people walk on the rafters or level to the joists even a good rule of the rope on those joists you want to simply be very heavy you may include items.
You potentially compromise too many of the rafter cross ties by doing that.
Cut around ceiling trim with a utility knife.
It is an old house 1899.
Once you re in the attic locate the screw.
Mark rough opening of new fold down staircase on the ceiling joists in the attic.
When you find it remove the insulation from the area and determine.
Do this on both sides image 3.
Use a reciprocating saw to cut joists and nails holding any joists that must be removed.
Next using an electric drill pop a screw up through the drywall in the ceiling.
The ah series universal attic ladders are lightweight yet carry a duty rating of 375 pounds.
Installing attic ladder perpendicular to joists.
Using a carpenter s square line it up from the point of the nail and draw out 22 1 2 inches.
In this video this old house general contractor tom silva explains how to install attic stairs.
This way you only need to cut one of them to make the room for the rough framing opening.
Determine the area where you want to place your stairs.
I only have one area in old house on the 3rd floor where i can put a pull down attic ladder.
Cut 2 joist sized boards long enough to span two joists on each side of your chosen.
Instead you should place the cutout opening inline with the ceiling joists rafter ties.
If the room has no ceiling.
Werner s easy access attic ladder 5 cut ceiling joists step 1 mark.
Cutting and bracing a new hole.
Snap a chalk line between the two nails image 2.
Standard joist spacing for the installation of attic flooring materials is 16 inches on center oc meaning the distance from the center of one joist to the center of the next joist is 16 inches.
Learn how to install this attic ladder with a complete installa.
I would not put the attic stairs ladder assembly opening at right angles to the ceiling joists.
That is a narrow hallway but the ladder would need to be installed perpendicular to joists.