Sliding Patio Door Construction Picture sliding patio doors are designed to offer a wider, less obstructed view of the outdoors than ordinary patio doors. Wood frame and door panel members are treated with water-repellent preservatives.
Weather stripping on rigid vinyl interlock and inside stop assures a tight seal.
Durable pultruded sill provides a thermal barrier to help prevent frost buildup. Door rollers are two sets of tandem steel wheels with ball bearings for smooth operation. Optional stainless steel rollers are available for seacoast areas. Weather Shield Mfg., Inc.