Thermal Fused Doors Thermal Fused Door, Biltmore Cherry Thermal Fused Door, Uptown Walnut MAIMAN Thermal Fused doors combine the exceptional durability of low-pressure laminate, with the look and aesthetic appeal of a flush wood door. This attractive door is available in 28 standard faces, is edge-banded on all four sides, and is guaranteed not to delaminate. Lites and louvers are optional. Thermal Fused doors are FSC and GREENGUARD® certified and available with 42 lb. density industrial particle, NAUF and fire-rated (up to 90-minute) cores with STC ratings of between 32 and 46. MAIMAN wood door frames and jambs are also available with fire ratings up to 90 minutes.