PLYCO Events
The annual NFBA Frame Building Expo is the premier event for post-frame professionals.  At the Frame Building Expo, everything you need to buil...
Enjoy entertainment, food and beverages compliments of the Plyco Corporation, a leading supplier of products to the post-frame, metal-clad building an...
Plyco Covid-19 UPDATE 4/16/20 To all Plyco customers and also our partners in our supply chain.  In this challenging environment during the COV...
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...



Industry, Schools, churches with commercial building products

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.

View our extensive online inventory of commercial construction products.

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.

Adjustable Feed Openings BK-4200-4 / BK-4200-3

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Product Info

This kit allows flexible placement of feeding access. Unlike the 4250 Feed Door, this creates a permanent opening making it easier to add feed quickly.

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Any height opening can be made by cutting one tube (two tubes on 3" centers) down and sliding the adjustable feed opening kit over the adjacent tubes.

Rubber grommets are used to protect the steel edges and eliminate rattling where the tubes fit into the kit.

A rubber plug fills the remaining hole at the bottom.


Provides a 7" feed opening in 4" on center system (8" feed opening in 3" on center system).


Shop our entire inventory of black powder coated horse stall components and kits available for sale online.