A. Aluminum Windows: Extruded aluminum frame and sash, factory fabricated, factory finished, with operating hardware, related flashings, and anchorage and attachment devices. 1. Frame Depth: 3-1/2 inch. 2. Operable Units: Double weatherstripped. 3. Provide factory-glazed units. 4. Fabrication: Joints and corners flush, hairline, and weatherproof, accurately fitted and secured; prepared to receive anchors; fasteners and attachments concealed from view; reinforced as required for operating hardware and imposed loads. 5. Perimeter Clearance: Minimize space between framing members and adjacent construction while allowing expected movement. 6. Movement: Accommodate movement between window and perimeter framing and deflection of lintel, without damage to components or deterioration of seals. 7. System Internal Drainage: Drain to the exterior by means of a weep drainage network any water entering joints, condensation occurring in glazing channel, and migrating moisture occurring within system. B. Horizontal Sliding Type: 1. Construction: Thermally broken. 2. Provide screens. 3. Glazing: Double; clear; low-e. 4. Exterior Finish: High performance powder coatings. 5. Interior Finish: High performance powder coatings.
