Attach metal covers to electrical junction boxes and move any electrical wires out of the way or notch the frame to fit.
Install raised walkway in attic.
Screw the frame to the joists to.
The intent is to lay down the boards and the ends should attach to a ceiling rafter.
Cut either 2 by 4 inch or 2 by 6 inch lumber into lengths that match the width of the plywood.
Cut the 5 8 inch plywood sheets to create gussets.
The following are attic furnace installation requirements based on 2009 irc and 2009 imc the codes refer to it as appliances in attics.
We used leftover plywood scraps to build ours an attic walkway also needs enough support.
How to make a catwalk in the attic.
Attic furnace walkway platform attic furnace installation must comply with you local mechanical code or imc international mechanical code if such was adopted in your area.
Attic furnace access passageway and platform attic furnace passageway and.
We normally recommend that you place plywood over the top of the rafters creating a walkway to the a c and in that area only lay in one or two layers of unfaced fiberglass blanket on top of the plywood walkway and around the ac unit itself.
After that screw it in place using the 2 inch deck screws.
A 4 foot long plywood strip will need at least 8 screws on it.
The first plank is placed at the entrance of the attic walkway on the first horizontal chord.
These gussets should run from the bottom of the chord to.
Here s how to go about it.
Build a frame on 16 centers perpendicular to the attic floor joists.
Cut 2 thick lumber to length for the frame.
The lumber should be wide enough to extend above.