August 10, 2016 By Riverhead Building Supply Current Offers 0 Comments IKO PRO4 PLUS REBATE! THE MORE IKO YOU SELL, THE BIGGER THE REWARD! Earn Heavy-Duty Rebates Plus Extra Cash Bonuses with your purchase of IKO PRO 4 Plus! $5.00 rebate per square on Cambridge shingles* $6.50 rebate per square on Cambridge IR shingles and Dynasty shingles* $8.00 rebate per square on Royal Estate, Crowne Slate and Armourshake shingles *when installed with any three of the four qualifying IKO PRO4 Roofing Components Click here for more details Comments for this post are closed.