LMS (previous name LWM) attic ladder is a folding metal attic ladder, complete with an insulated MDF wooden door - The door is beige on the inside and the outside - Allowed maximum weight on the metal ladder is 300 lbs and 350 lbs (size 54") (according to ANSI) - The 1-3/8" thick, heat-insulating wooden door considerably decreases heat loss - An outlying seal positioned in the milled part of the box provides a first-class tightness - Max load: 300 lbs, 350 lbs (size 54") - 1-3/8" thick insulated MDF wooden door helps to reduce energy costs approximate R value 5.2 - Rubber gasket seal virtually eliminates infiltration losses - All hardware fully concealed after installation - Nearly undetectable integrated locking latch - When attic stairs door opens, side springs fall along with it permitting a wider and more comfortable entrance to the attic (the widest entrance on the market) - Smooth door surface ready for painting to match finished ceiling - Metal opening and closing rod included