Another option is to skip the plywood flooring.
Attic crawl boards.
Attic space offers many options for building storage or living space especially if you already have a well built basic flooring in place.
While i m sure there s a manual out there somewhere on the subject in my 28 years i haven t found one.
Use the tongue and groove feature to lock multiple boards together and improve the organization of your storage space.
The average house wastes hundreds of dollars on heating and cooling every year because it has too little attic insulation and too much air leakage into the attic space.
Preserve the attic s airflow.
Maneuvering heavy 4 x 8 sheets of plywood or osb oriented strand board up to an unfinished attic is sometimes like trying to fit a square peg into a round hole.
The attic plays a critical role in a home s energy performance.
For joists spaced.
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Use a piece of plywood or a couple of sturdy wide boards as a standing surface and move them around as you work.
You can install inch plywood or oriented strand board osb in 4 foot by 8 foot panels over existing 16 inch oc joists.
Joist spacing and attic use the joist spacing in some attics is 24 inches and 1 2 inch sheets will sag and possibly break when spanning that distance.
To make the job easier use a circular saw to cut the plywood sheet first into 2 2 8 strips which will be much easier to handle.
Not only to do your work but also so you can move safely.
So just based on my experience and what i teach my guys here s 5 golden rules of crawling around an attic.
It s possible to create a solid floor without investing a lot of money.
You can for instance use recycled materials.
You have to be able to see.
They must span at least three joists for stability.
It provides an r value of 6 per inch of thickness and often comes foil faced to help reflect radiant heat.
This is an even more dense and more expensive foam board insulation.
You need 3 4 inch plywood.
Illuminate dark corners of the attic using portable battery operated lanterns or clip on workshop lights.
Enjoy a clean look and increase the usable square footage of your attic by multiples of 8 sq.