AquaFix SPC: Grand Cru Evolved Series - BARTONSPC floors get talked about a lot but the AquaFix Grand Cru Evolved Barton earns the hype. Stone plastic composite means a rigid core that won't telegraph subfloor imperfections, won't expand and contract with temperature swings, and won't budge under heavy furniture or rolling loads. Rigid SPC core more dimensionally stable than WPC or standard LVP; tolerates temperature swings from 20C to +60C without gapping or buckling Attached acoustic