Now since every attic is of course different your measurements would be different from the ones mentioned by the source diy er.
Equipment pully attic.
You might also need to use a different sized hardware or materials.
This featured diy project is a simple build that works for those with pull down attic ladders that have straight side rails.
When you are ready to use the hoist bring the free pulley downstairs.
Rope was 11 and the two pulleys.
In order to provide mechanical advantage this pulley needs to remain unattached to anything but the rope that is connected to the fixed pulley.
When screwing the pulley lift system into place avoid laminated rafters at all costs.
All the components were purchased at home depot for about 20.
Set the free pulley on the attic floor off to the side of the door.
Some common sense and following the stipulated restrictions of the materials needs to be taken into account.
Partsam 440 lbs lift electric hoist crane remote control power system zinc plated steel wire overhead crane garage ceiling pulley winch w straps w emergency stop switch 4 6 out of 5 stars 298 119 00 119.
Louisville ladder 22 5 inch by 63 inch aluminum attic ladder fits 10 to 12 ceiling height 350 pound capacity al228p 4 2 out of 5 stars 161 281 00 281.