Item Tag: 0685179046785

At 35 pt, these are twice as thick as regular backing boards! Full Back Boards. These are the highest quality boards found anywhere! Contains a 3% alkaline buffer and a pH content of 8.0-8.5. Made from 100% acid-free, virgin wood, cellular fiber, 35 pt.

At 35 pt, these are twice as thick as regular backing boards! Full Back Boards. These are the highest quality boards found anywhere! Contains a 3% alkaline buffer and a pH content of 8.0-8.5. Protection from Volatile poly bag breakdown.

At 35 pt, these are twice as thick as regular backing boards! Full Back Boards. These are the highest quality boards found anywhere! Contains a 3% alkaline buffer and a pH content of 8.0-8.5. Made from 100% acid-free, virgin wood, cellular fiber, 35 pt.