Gerkin Windows & Doors
Epic Stone
Marvin Windows & Doors
Woodharbor Doors & Cabinetry

A few of the products we proudly offer.

Quaker Windows & Doors
Mid Continent Cabinetry
Masonite Doors
Hayfield Windows

Barngrover Glass and Building Supplies is your hometown one stop shop for all of your building, remodeling and repair needs. Our products and services include auto glass, flat glass, building materials, residential materials, cabinets, commercial glass/doors and storefronts.  We've been in business for over 75 years and will be here for all of your future needs!  We are dedicated to quality and customer satisfaction.  

CALL US   (319)752-6307

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Home Improvements / Remodeling / Commercial / Residential
Whether you need to replace your bathroom mirror or build an addition to you house, we can help. We have many of our own well qualified installers and we also work with local contractors for the best possible service.


We hand cut glass, screen, mirror, plexiglass, lexan along with a variety of other types of products in many thicknesses - often the same day. We can do custom designs and hundreds of glass options. If you need insulated units for window/door replacement, tempered glass, bevels, patterns and cut-outs, we can order those for you also.  Use decorative glass in your cabinets, doors and windows.

Auto Glass
Overnight windshield delivery, side mirrors, windows and trim.

Vinyl & Wood replacement and new construction windows that are guaranteed for life and save money, energy and headaches.             

Residential glass / windows / screen repair and replacement

 * Commercial glass / store fronts

We are a Replacement Windows-Partner with Alliant Energy Rebate Program.

Building Materials - Residential and Commercial

 * All sizes and types of lumber and plywood
 * Sheetrock
 * Siding (all styles and colors)
 * Shingles (all styles and colors)
 * Suspended ceiling tiles and grid
 * Insulation
 * Steel Studs
 * Everything else: Nails, Screws, Caulk, Channel, Clips - if you need it, we've got it or we can get it for you!

 * Interior Doors
 * Exterior Doors
 *  Custom Design Doors
 * Wood / Fiberglass / Steel / Aluminum
 * Door hardware: closers / locksets / handles

Kitchen Cabinets and Countertops

Beautiful cabinets in every style. We have a Staff designer ready to help you build your dream kitchen. We have solid surface, quartz, granite, marble and laminate countertops. We also have a large selection of cabinet hardware to complete every detail.


 * Cabinetry
 * Sinks and custom tops
 * Custom Shower stalls and shower / tub doors
 * Toilet partitions


FRP Panels

Fiberglass reinforced plastic for walls and ceilings.  The panels look, perform and clean better and you can choose from a variety of styles and colors.


Build or redo your deck from wood or vinyl.  We can also finish off your deck with posts, handrails, decorative tops and spindles.

Closet Organizers
Let our sales team design and organize your closets with custom organizers.