We need at least 33 inches to get above all duct work in attic.
How to floor an attic.
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.
Attic flooring consists of materials as basic as sheets of plywood as well as more elaborate interlocking floor systems.
The best way to lay a floor in your loft for storage is to lay floor board panels.
Flooring in the loft or attic how to lay tongue and groove board panel loft flooring.
In that case you will need to use 3 4 thick plywood.
However the same can t be said if you are planning on using the space as a living space.
You can for instance use recycled materials.
Attic space offers many options for building storage or living space especially if you already have a well built basic flooring in place.
Bringing the floor up to code.
An attic can be floored with 1 2 cdx plywood if it is being used only for storage.
If you don t need additional storage think of flooring an area less than the entire attic such as a small section around the attic door opening.
1 x 6 3 spruce is a step up from pallet quality wood but makes a fine usable floor in an unfinished attic space.
Lan to use 2x4x36 upright screwed to ceciing joist every 24 to hold 2x6x12 s up above duct work.
It s possible to create a solid floor without investing a lot of money.
Modifying an attic floor s joist system is a job for the pros.
As an alternative 3 4 osb can be used.
But before even they can start on a job that involves altering your home s structure they ll.
Joist dimensions are only part of the equation.
Attic joists for live loads.
First you ll need to measure the area you want to floor so you can calculate how much wood you ll require.
You also need to ensure that the joist spacing is adequate.
Another way to add attic flooring is to secure plywood sheets to the floor.
The solid base allows you to store items in the attic as well as to walk.
To floor an attic you ll need to install a sub floor for support before laying your plywood floor.
There are several different types of attic flooring you can use.
If you keep these close together you will not have to worry about any gaps.
House is a open floor plan so not a lot of support walls below.
For an easy attic flooring start with a simple laying down of wood planks.