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The Bigg Frame System is ideal for large doors over 144 square feet – offering a standardized construction, fewer components and easy assembly. Designed for buildings with roll-formed siding, Bigg Frame Systems remove the guesswork and labor associated with field-fabricated doors.


The versatile Bigg Frame design allows for adaption into a wide assortment of special applications including bypass, split-slider and multi-panel doors. All components of the Bigg Frame System come with a powder coat finish for a durable, quality appearance that will outlast paint under all weather conditions.


NOTE: This system is NOT recommended for wood horizontals.


  • Designed specifically for larger door panels

  • Offer self-flashing J-channels to enclose steel door skins for a trouble-free hold and easy installation

  • Sturdy, rust-free aluminum materials offer long-lasting functionality, finished looks and quick assembly

  • Side rail profile conceals all exposed steel, giving the panel a smooth, clean edge that won't cut or scratch

  • An optional vinyl weather seal can easily slide into the built-in T-slot for quick, easy weather sealing

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  • Larger sliding doors demand strong connections to keep out the elements and this handles the job with greater stability than standard H-rails

  • The Double Couple is designed to replace one side rail, aligning both sliding door panels together when the door is closed

  • H-rail functionality wraps the edge of the joining door panel for a sturdy connection, increased unit durability and added sliding door system longevity 

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  • Designed to accommodate a continuous guide rail, the 394 Bottom Rail delivers increased wind resistance and diminished sliding door sway use

  • When used in conjunction with a continuous guide rail, this offers ease of use and protection of building siding

  • Two built-in channels within the rail allow for the use of an optional vinyl or brush seal to keep out dust, dirt, rain, and snow

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  • Designed for ideal horizontal support on sliding door frames, the 235 Steel Girt is a 20-gauge galvanized steel beam sized for optimal door frame construction and support

  • Long lasting, rust-free materials avoid the rotting and warping issues associated with 2x4 lumber

  • The hollow girt design offers more strength and less weight than comparable lumber horizontals, providing easier installation and lighter full-assembled doors 

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