Take the measurements for your subfloor and measure enough plywood so that you can cover the entire frame.
Plywood in attic for storage.
Since the boards are sold in 4 foot by 8 foot sheets you may need to cut them into 2 foot wide strips to get them into the attic space.
You ll need to make sure that the plywood can fit through your attic door.
I wanted to add more plywood to the area and wanted to know if any specific type i should use.
Some screwed others not.
Plywood flooring thickness is important for proper weight distribution.
As an alternative 3 4 osb can be used.
In that case you will need to use 3 4 thick plywood.
Lastly your home s energy efficiency almost always suffers when the attic is converted for storage.
Purchase half inch 1 27 cm thick plywood to act as your flooring.
Attics with existing flooring.
Measure the plywood and attic door.
I assume 3 4 inch but there are many types brands to choose from.
Today i made contact with a local contractor that installs pull down attic stairs and up to 4 sheets of plywood for attic storage as a package deal advertised in the local paper.
My attic is located above my garage and currently the former owner had random pieces of plywood placed up there.
The previous homeowner may have simply covered the joists with plywood to use the space for storage.
That s a big size and strength difference between the two types of attic joists even if the joist spacing is the same.
The wood should be at least 5 8 inch thick to handle a heavy load.
However the same can t be said if you are planning on using the space as a living space.
Attic storage might be a good idea but other issues such as insulation joist spacing and intended usage should be taken into consideration.
Plywood or chipboard is the least expensive option for storage flooring.
Ceiling joists are typically 2 8 lumber floor joists are usually 2 10 or 2x 12 lumber.
Alternatively your attic may already have some sort of floor but this doesn t necessarily mean you can build rooms.