American Steel Buildings- Double-Lok Roof Panel

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Description: A metal standing seam roofing product attached to sub-framing using a variety of concealed, interlocking clips that provide for minimum panel penetrations. This panel can be used on new construction as well as retro-fit on existing structures. This panel design provides a high degree of weather tightness and has been tested by independent laboratories in accordance with ASTM E283 and E331 (for air infiltration, water penetration, and wind uplift). Gauge: 24 (std.), 22 available by request Length: 50' maximum is standard but longer lengths available by special request. Fasteners: Concealed fastening system. The clips are available as floating or fixed. Two different clip heights are available to allow for thermal blocks. Finish: Galvalume, Signature 300 Usage: New and retro fit applications. Limitations: Recommended for roof slopes of 1/4:12 or greater. When using the fixed clip we recommend for double slope buildings 200' wide or less and single slope buildings 100' wide or less.(May vary upon extreme weather conditions.) Oil-canning is not a reason for rejection. Features: - No panel penetration is required over the building envelope other than at the end laps, and panel ends which are connected by a compression joint - Panel side laps arrive at the job site containing a pre-applied sealant - Optional product and weather tightness warranties - Factory notched at both ends with pre-punched holes - End laps have a 16 gauge backup plate with pre-punched holes - High or low clips - UL 90 - 80% less exposed fasteners than traditional side lap panels and all fasteners are long life - Panel available in Signature 300 Series - The side lap has been tested for air infiltration and water penetration under ASTM E283 and E331 methods Benefits: - Specially designed to seal out the elements - Contributes to the system's weather tight construction and ease of erection - Severe weather tightness and additional customer confidence - Field installation can commence or finish from either end of building or on both sides simultaneously - Solid connection at end laps and proper fastener spacing. The pre-punched holes improve erection and ensures proper panel placement - Accommodates variety of insulation systems including 1 " thermal spacers at the purlins - Lower insurance costs - Increased weather tightness and improved appearance - 20 year finish warranty - Minimal air infiltration and water penetration and acceptability among specifiers