These doors have superior insulation and rigid construction due to the fact they use 1" thick insulated glass which is set in a thermally divided
Panels may be installed from inside.
Security assured by a positive action latch steel keeper.
Tandem self-leveling twin ball bearing wheels for smooth operation.
Choice of direction for panel operation. Panels may move left or right.
Wrap-around marine glazing seals tempered safety glass more securely in panels.
A 600 Doors feature interlocking meeting stiles, double weatherstripping with dense polypropylene pile and mylar fin seal.
Walkover threshold sill cover eliminates unsightly grooves.