About GC Design Call GC Design today! (208) 793-0021 About Us GC Design sells flooring materials and provides flooring contracting services in the Boise, ID area. We are the Treasure Valley’s largest hardwood flooring and luxury vinyl flooring supplier.Hardwood FlooringResidential FlooringCommercial Flooring Services Hardwood Flooring Residential Flooring Commercial Flooring Business Hours Mon – Fri : 8:00 am – 4:00 pmSat: ClosedSun: Closed Brands BoenReward FlooringMonarch Plank Hardwood FlooringGemCore by RewardMohawk FlooringAladdin CommercialHallmark Floors