Becker Arena Product's Solution to Cleaning Dasher Boards

Combine:
1 - part - Blue Dash
2 - parts - Citrosolve
4 - parts - Water

Spray
Mixture on boards (allow time for mixture to loosen grime) 

Scrub
With a brush, Cyclo Polisher or wipe vigorously with cloth until clean

Cover
New or newly cleaned boards with Exceed Board Sealer (two coats recommended)