Rigid Thermo Foil Membrane Press Rigid Thermo Foil (RTF) Doors, Drawer Fronts, Countertops & Parts All doors and drawer fronts are available in rigid foils and vinyls in a variety of solids, decorative finishes and wood grains. The back sides can be heat fused melamine or left raw depending on application. Durable material can be used for countertop applications. All overlays are applied on double pressed Medium Density Fiberboard (MDF). Door Type Substrate/ Wood Species Construction Panel Door Rail Benefits Drawbacks Special Notes Membrane Press Slab Door 5/8″ MDF Membrane Press Slab using 2 – 16mil RIGID vinyl n/a Very Durable Heavy, Moisture can swell if wet multiple outside edge profiles Membrane Press Square 5/8″ MDF Membrane Press 2 – 16 mil RIGID vinyl w/ melamine back 2 – 16 mil RIGID vinyl w/ melamine back Extremely Durable Moisture can cause MDF to swell Glaze available on pressed doors Membrane Press Arch 5/8″ MDF Membrane Press 2 – 16 mil vinyl w/ melamine back 2 – 16 mil vinyl w/ melamine back Extremely Durable Moisture can cause MDF to swell Glaze available / Cathedral also available