Fundo Primo 36 in. x 72 in. Shower Kit with Center Drain Screw Nuts A: They are designed to Item Weight:.625 A: They are designed to work with most residential garage door brands 375 Material Veneer Wood Species Hardwood Core Type Hollow core Panel Type Flush Door Surface Smooth Color Finish Family Brown Manufacturer Color Finish Natural Door Finish Unfinished Prefinished No Primed No Textured Surface No Hollow Core Yes Solid Core No Stained No Unfinished Yes Smooth Surface Yes Glass Tint None Handing Universal Hardware Included Yes Finish or Rough Opening Width (Inches) 24 Finish or Rough Opening Height (Inches) 80 Kit includes primo shower base Primo shower base features a square drain cover