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We pride ourself in supplying everything needed for a DIY project to save homeowners money. We also have over 25 experienced crews ready to install your building or roofing project within our building area. We have been supplying quality post frame construction materials to contractors for over 45 years. Walk-in or call-in orders can be fullfilled in a matter of hours - not days.

Since 1973, Graber Post Buildings, Inc has been a building material supplier trusted by the state of Indiana and providing post-frame supplies throughout the East Coast and Mid-West.
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The rich history of Graber Post Buildings, Inc is what makes it possible to provide good, quality products for reasonable prices. Graber Post Buildings, Inc. began in 1973 with Glen S. Graber running a 3-man Amish building crew just trying to support their families. The crew built post-frame buildings, which was a rather new industry at the time.
Affinity stone panels by Stone Creek Products are a must for your next commercial or residential project - interior, exterior, or outdoor. Installing Affinity is so smooth and seamless, you can count on doing it right the first time. Studies have shown this Affinity stone is up to 80% faster to install than other veneer stone systems.
Ag-Tuf PVC Liner panels, with their bright white, high gloss finish, are easy to install, clean, and require very little maintenance. The bright white color will allow less artificial light to be needed in the space while having an inherently high chemical resistance will defend against the harsh chemical usage needed in applications such as animal confinement buildings, car washes, food processing facilities, and more. Contact our team today for a free quote!
Since 1973, Graber Post Buildings Inc has been one of the most trusted metal roofing suppliers in Indiana. Our extensive collection of metal roofing and siding supplies includes several different styles and colors - so you are sure to find a design that fits your unique aesthetic. Because we have over 25 experienced crews available year-round, we're able to complete projects sooner, faster, and more efficiently than other metal roofing suppliers in Indiana!While our installation services are offered only in Indiana, we can ship metal roofing panels and siding panels to surrounding Mid-West states.
Reviews (10)
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Ashleigh Mesarosh
May 26, 2022
I highly recommend recording all conversations you have there. It's hard to feel like their vague blueprints and contracts are not intentional to just ignore what you asked for in the design meeting and just build whatever they want. Furthermore, then to go as far as say that YOU, the customer, must not have remembered to request all those things YOU wanted in YOUR house while YOU were designing it.

The whole nightmare of a project is just mindblowing. They will tell you one thing to your face, then send you an email a day later stating the opposite. Record your conversations. The actual work the building crew has done looks like good, quality work. I'm thankful for that, but the company itself has been dishonest from the first design meeting to when they actually started the project over 3 months late. and now nearly 2 months later, they're still not done and dragging their feet in order to not fix a HUGE error. Update: the ceiling error cost us an extra $17,800 to somewhat remedy and graber's best offer was to refund us approx $4500.
Scott Minier
Mar 12, 2022
If you need a barn, stable or other steel building, you want to give Graber Post Buildings an opportunity to bid. It's worth your drive to check out their quality work and affordable prices.
Aaron Vogler
Feb 10, 2022
I had a great experience with Graber. They were professional, easy to work with and timely in their proceedings for such a large project.
Scott Hedrick
Nov 26, 2021
Great company, any buisness could take some pointers from Graber. I needed some metal roof sheets and they beat the prices off anwhere in Southern Indiana. The level of knowledge, kindness, and price, mixed with their location it is always worth my time to drive to get what I need.
The Vino
Nov 09, 2021
Their website is pretty good considering all the different options. I called their office and the lady that answered the phone was really nice but wasn't able to provide very much information. You put me on hold for almost 6 minutes before I had to hang up. Still interested in what they have to offer so I may be calling them again to get some information.
Steve Miller
May 25, 2021
I have built 3 GPB barns / homes and have always been very pleased from start to finish! They are professional and build a very solid and beautiful building.
Kent Butler
Apr 20, 2021
Graber's did a fantastic job on my pole barn. I am very satisfied and I would definitely recommend them for all your pole barn and sheet metal needs.
Infinite Monty
Jan 05, 2021
GPB installed a steel shingle roof on my home. Great product, love how it looks. They left a triple-wall stovepipe in place that I had told them to remove. They corrected their error the next day. Good workmanship. A steel shingle roof costs approximately 40% more than an asphalt shingle roof, but it's worth it.
Linda Shorter
Jan 02, 2021
"Thank You" to Graber Post for installing a metal roof on the rental house we were selling.it looks great.!
Scott Demshar
Dec 01, 2020
Great place to get steel and components for your post frame buildings. very helpful staff in the office contractors area. The guys out in the yard filling the orders are fast and efficient. Seem to have good prices on everything.