Ceiling joist are 2x4.
Cutting joists for attic ladder.
Click here to purchase the easy access attic ladder by werner.
Check the attic ladder for any damage prior to installation.
Hopefully the attached pictures provide additional info.
In some cases the ladder may fit into an existing attic access hatch.
Where possible pick a size and location for your attic ladder that enables it to fit between existing ceiling joists or trusses.
Look for cracks or bends in metal ladders and splits bends or warps on wooden ladders.
Use a reciprocating saw to cut joists and nails holding any joists that must be removed.
Sometimes the ladder may fit into an existing attic accessibility hatch.
Before cutting the joist first brace it to prevent sagging as you re cutting it.
References ron hazelton.
Secure by drilling a minimum of two nails.
Do this by laying a plank of lumber perpendicular to the joist.
Figure 1 modified joists there are some important points to highlight.
1 can the joist be cut to make room for the attic ladder.
Attic access openings often are close to this width and run parallel to the joists just like the ladder unit will.
Ceiling joist are support by a wall that runs roughly down the middle of the house.
Attic ladder kits are made to fit between existing framing in the ceiling that is the floor of the attic.
Where possible choose a size and location for your attic ladder that allows it to fit between existing ceiling joists or trusses.
In this video this old house general contractor tom silva explains how to install attic stairs.
If the joists are installed at 16 inches on center you will need to cut one joist and attach a brace between the two end boards to allow for the wider width of the ladder.
2 how much weight could the ceiling joist hold.
Location of the ladder.
Attic ladder kits are made to fit between existing framing in the ceiling that is the flooring of the attic.
The following diagram figure 1 shows the floor or ceiling joists after the access hole has been cut to install a new flight of stairs or provide an attic access.
Part 6 shows you how.
The frame is designed to fit the standard space between ceiling joists or trusses which is about 22 1 2 inches wide.
Mark rough opening of new fold down staircase on the ceiling joists in the attic.
Cut around ceiling trim with a utility knife.
Now that you ve cut your joists it s time to frame the new opening.