The surface itself just has to be strong enough to handle your weight along with tools and gear.
Install raised walkway in attic.
Attach metal covers to electrical junction boxes and move any electrical wires out of the way or notch the frame to fit.
Here s how to go about it.
How to make a catwalk in the attic.
The first plank is placed at the entrance of the attic walkway on the first horizontal chord.
Cut the 5 8 inch plywood sheets to create gussets.
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.
Screw the frame to the joists to.
These gussets should run from the bottom of the chord to.
After that screw it in place using the 2 inch deck screws.
Cut 2 thick lumber to length for the frame.
Apply construction adhesive on one side and place it on the horizontal chord.
Build a frame on 16 centers perpendicular to the attic floor joists.
The intent is to lay down the boards and the ends should attach to a ceiling rafter.
The following are attic furnace installation requirements based on 2009 irc and 2009 imc the codes refer to it as appliances in attics.
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.
A 4 foot long plywood strip will need at least 8 screws on it.
Cut either 2 by 4 inch or 2 by 6 inch lumber into lengths that match the width of the plywood.