If you plan to finish the floor in the attic and turn the room into a living space however you should always use 3 4 inch plywood.
How to make a floor in your attic.
Thinner plywood can flex when you walk on it even with 16.
Attic joists that are made from 2x8s may be acceptable for building your attic floor but because every room is variable there are no absolutes.
Adding a floor to an attic can increase storage space or create a new room.
Then you ll need to build a grid like structure that can hold up the plywood flooring.
Before you start creating a floor for your attic you must make sure that it can handle the additional load.
Attic joists for live loads.
Since they are outside the living space of your home finding the right attic flooring solution requires special consideration.
It s possible to create a solid floor without investing a lot of money.
Attic spaces are tough to work in.
Attic space offers many options for building storage or living space especially if you already have a well built basic flooring in place.
Follow the rules to keep your floor in good shape and prevent any kind of impact.
If your attic joists won t bear the weight necessary to finish out a living space but the engineer cleared them to support floor decking for light storage you can install inch plywood or.
Joist dimensions are only part of the equation.
Attics are great for storage but flooring directly over the attic floor joists doesn t provide room for the recommended 12 to 16 of attic insulation needed to keep your house cool in the summer and warm in the winter.
You can for instance use recycled materials.
However flooring your attic can make it a perfect place for storage.
When planning for your joist flooring make sure you leave enough space to create access routes for your attic.