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Enjoy entertainment, food and beverages compliments of the Plyco Corporation, a leading supplier of products to the post-frame, metal-clad building an...
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East Coast Fasteners introduces the 40-year Ply-Lo Extreme The new 40-year Ply-Lo Extreme line of fasteners from East Coast Fasteners is designed for...



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Commercial Construction

Professional builders prefer post-frame technology for its versatility and efficiency. Plyco offers the best solutions toward meeting their building needs.

By choosing to “Build Plyco Strong,” building contractors select unmatched value and durability. Builders trust Plyco to deliver lasting cost-effectiveness. By teaming with Ply-Foil Reflective Insulation, Plyco offers industrial and commercial businesses energy savings years into the future.

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Post Frame

Post frame builders

Post Frame Construction

When it comes to creating cost-effective structures of the highest quality, America relies on post-frame builders. And post-frame builders rely on Plyco.

Plyco is the nation’s leading supplier of durable, aesthetically pleasing doors, windows and other building accessories. From louvers and cupolas to the tiniest necessities from East Coast Fasteners & Closures, Plyco is the most complete provider of products for the agricultural and post-frame building markets.

Check out our selection of building components for post-frame construction.

TrimLine SS-AATL

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TrimLine AATL Aluminum Window for Metal Clad Buildings
TrimLine SS-AATL Aluminum Frame Window Diagram

Product Info

The TrimLine SS-AATL aluminum frame window with Step-Saver Installation System is designed specifically for the metal clad building industry.

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Plyco Sells Wholesale Only

Plyco products are available through approved builders, dealers and distributors. Contact Plyco now for a qualified dealer in your area.



The SS-AATL TrimLine aluminum window for metal clad buildings is the window you install after the metal siding is in place. This helps eliminate difficult cutting and fitting of the corrugated steel siding around the window.

The Step Saver feature assures a tighter fit and more weather-resistant installation. The window is cartoned for easy handling by warehouse, shipping, and installers. The windows are offered in standard sizes with crystal clear glass glazing or impact resistant acrylic glazing. The SS-AATL series is adaptable to many types of utility and light commercial buildings. Not recommended for commercial, residential or institutional buildings.

More Benefits

  • Available with Horizontal "J" Trim Top and Bottom that allows Nail Fin to be inserted Behind the Corrugated Steel Siding Above Window Then Set Bottom "J" Over Steel Siding
  • Side trim is a brick mould type that fits over the corrugated steel siding flat portion and has Q-Lon weatherstripping installed to seal out weather
  • Strong pre-finished all aluminum frame and sash
  • Deluxe lock and reinforced meeting rail
  • Packaged 2 per carton: reduces handling damage and promotes easy handling in warehouse and shipping


SIZES Standard Sizes:
SAATL-3618, R.O. 36-3/4" x 18-3/4", SAATL-3625, R.O. 36-3/4" x 25-1/2", SAATL-4425, R.O. 43-1/2" x 25-1/2", SAATL-4432, R.O. 43-1/2" x 32-3/8"

Special Sizes Are Not Available in this Series
NON-INSULATED: Step Saver Horizontal Slider
(Same as AATL with step saver Trim)
INSULATED: AASITL Step Saver Insulated Horizontal Slider
(Same as AATL with Step Saver Trim)


  • Window Glazing Options:
  • Acrylic: Extruded from acrylic molding pellets, the manufacturer certifies and guarantees that Plaskolite will show no significant loss of physical performance for a period of 20 years of outdoor exposure.
Browse our full stock of aluminum windows for metal clad buildings for wholesale purchase from Plyco Corporation.