I use this in my garage. With the lights on it really brightens the garage.
Sold at Loews and Home Depot.
http://www.homedepot.com/p/EUCATILE-32-sq-ft-3-16-in-x-48-in-x-96-in-Beadboard-White-True-Bead-Panel-975-759/205669196
I first put up 1/2 inch plywood.
Then I covered it with beadboard called "White Ice".
It is available at Home Depot.
http://www.homedepot.com/p/EUCATILE-32-sq-ft-3-16-in-x-48-in-x-96-in-Beadboard-White-True-Bead-Panel-975-759/205669196
I bought it because it was very bright and easy to clean...
I had Bond Bilt build my garage about 7 years ago.
They are out of Wallingford CT
It is a 24 x 24
Unfinished walls
Stairs inside to get upstairs
Two regular doors
Foundation
30K
http://www.bond-biltgarages.com/Building%20It.html