Alumminum Window :
1. Aluminum windows shall be designed and constructed for integral installation with the system. Unless required otherwise in the contract documents, provide building manufacturer's standard insulated double-pane window (AAMA HS-C20 horizontal sliding, commercial grade) with medium natural anodized finish (NAAMM AA-C22A31).
2. All windows shall be provided with air tight fitting heavy duty PVC seals.
3. All frame shall be ensure void-free, solid, waterproof joints caulked with approved paint able mastic.
4. Aluminum extruded frame shall comply with ASTM B221 or ASTM B221M and minimum thickness of aluminum frame is 2mm."