Whether you need shutters, louvers, vents, or insulation, Bi-State has what you need. Look over these quality vendors below, and you will find the product to fill your building needs. Just click on any icon below to visit the company’s site, and then let the team at Bi-State give you the personalized service and delivery that has made them an industry leader.


Mid-America has over 40 years experience in the building products business, with more colors, sizes and styles to meet any building need. Our polypropylene copolymer products look like wood, but don’t require the same upkeep.

Mid-America offers a wide array of gable vents, mounting blocks and vents, sunbursts, corner blocks and lineals, as well as exterior dentil trim, window headers, and both decorative and operational shutters.


The Fullback Thermal Support System is manufactured from expanded polystyrene, a highly adaptable building material that contributes to the design and structural integrity of many types of structures. EPS has been accepted as a mainstream insulation material since the 1950s. Over the past decade, the number of new applications for EPS has exploded, and EPS is now recognized as a powerful design element.

The Fullback Thermal Support System is manufactured with Perform Guard® using a patented process that incorporates the EPA-registered additive into the insulation. Perform Guard utilizes boron, a naturally occurring inorganic mineral, to deter carpenter ants and termites, yet it is safe for humans and pets. Perform Guard also contains a flame retardant. Fullback also eliminates the cozy space behind the siding where insects might otherwise congregate.

Fullback eliminates the “rattling” sound typical of some siding products and also provides a barrier to outside noise. Homeowners report that the use of Fullback greatly reduces noise.


Siroflex, Inc. is a leading producer of caulks, sealants and adhesives. Siroflex was established in 1992 as a wholly owned subsidiary of Den Braven Sealants, a world leader in sealant technology. Our mission is to supply high quality sealants and adhesives to the construction trades.

Siroflex produces silicone, acrylic and polyurethane sealants. All of our products are available in a wide variety of packages and sizes, including cartridges, chub packs and pails. Our Siroflex product line is packaged in attractive and durable two-piece plastic cartridges along with the versatile 4” Euro nozzle.



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