*Location: Face mounted or semi-morticed into the bottom of solid core single or double butt hinged doors. The RP35Si can also be face mounted to the bottom metal doors. *Min/Max Gap cover: 3mm to 13mm. *Sizes: Each seal unit can be cut back to next shorter unit size: 1220mm, 1070mm, 920mm, 820mm, 600mm, (380mm cuts back to 295mm)