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| Guarantee | Precision/True Flat | Lightweight | Strength | Insulation | Eco-Friendly | ||
| Sing Core | Professional 50-Year Guarantee | +/- .006″ | .5 to 2 pounds per square foot | Minimum of 660 PSI @1 InchI | R3.5 or R6.5 | 100% Natural and Renewable Materials | |
| Wood Core | 1-Year Guarantee | .25″ | 35 to 45 pounds | ||||
| Foam Core | 1-Year Guarantee | ||||||
| Paper Core | 1-Year Guarantee | ||||||
| Plastic Core | 1-Year Guarantee | ||||||
| Aluminum Core | 1-Year Guarantee |