Learn about Source Mountain Supply – your building-focused industrial supply company
At Source Mountain Supply, we believe in the power of quality and customization. Based in West Bend, Wisconsin, we serve customers nationwide with a commitment to excellence. Whether you need roof insulation, below-grade insulation, construction foam products or EPS styrofoam blocks, WE’VE GOT YOU COVERED!!!
About Paul Backhaus, Owner and CEO
Allow me to introduce myself—I’m Paul Backhaus, the owner, CEO, and the driving force behind Source Mountain Supply, LLC. Entrepreneurship has been a guiding force in my life since my youth, inspired by my father’s business endeavors. His commitment to customer care and dedication to service have profoundly shaped my approach to business.
From the young age of 13, I’ve been cultivating my entrepreneurial spirit. In 2012, my wife and I embarked on a remarkable journey when we took ownership of Source Mountain Supply. Our early days were marked by humble beginnings, operating out of our garage while our vehicles braved the elements outside. Fast forward to the present, and our progress has led us to expand our warehouse which is filling up rapidly!

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Beyond the confines of business, I am blessed with a devoted wife of 15 years and a wonderful daughter. Wisconsin has been our cherished home throughout our lives, and we take immense pride in our community and heritage here. I serve as a Lieutenant at our volunteer fire department, indulge my passion for deer hunting, and revel in the joys of being a proud sports dad.
At Source Mountain Supply, we champion the values of service and personability. Our commitment to our customers knows no bounds, and we constantly strive to deliver solutions that exceed expectations.
I eagerly anticipate the opportunity to connect with you and explore how Source Mountain Supply can cater to your needs.
Satisfied customer reviews
“Paul was great to work with and helped us figure out the best solution. Timely communication, delivered on time, zero complaints. Highly recommend!”
M P
“Paul has been a trusted vendor for 11 years. Quality service and quality materials. Items are stocked for us and ready for release. I recommend Source Mountain Supply for your needs.”
Nicholas C
“Paul was amazing to work with highly recommend.”
James M
“I have used Source Mountain Supply for all my odd cardboard and styrofoam needs. Paul always comes in with the best price and great deliver service. On time and perfect for my needs. Highly recommend. Keeps my business running.”
Tim R
“Paul has been very helpful getting things resolved whenever we’ve had problems or need product. Been doing business with Source Mountain for over 20 years.”
Mike K
FAQs
How do you ship items?
The shipping process chosen depends on order size and shipping destination.
Am I only allowed to order items by the case?
All products are packaged and sold in case-packed quantities for us to pass the best value and pricing on to our customers.
What methods of payment do you prefer?
All online orders are processed through PayPal. With PayPal, you’re able to use all major debit and credit cards.
Are custom quotes available?
Yes! We’re happy to provide you with a quote on custom products. Use our online form or email us at sales@sourcemountain.layerly.dev, and a representative will contact you!
Do you offer payment terms for regular orders?
Customers who have an established account with us that is in good standing can request a credit application to apply for payment terms of net 30.
What should I do if my items arrive damaged?
We work hard to ensure that your products will arrive in excellent condition, but sometimes the damage is out of our control. If you need to report damage, please call our office immediately to discuss the extent of the damage and to make further arrangements.
Can I return the items?
Returns are accepted on all undamaged items 90 days from the date of their original shipment from our warehouse, with prior approval from Source Mountain Supply, LLC. Please note that there is a 25% restocking fee on all returns. The customer is also responsible for all return shipping charges.
The shipping process chosen depends on order size and shipping destination.
All products are packaged and sold in case-packed quantities for us to pass the best value and pricing on to our customers.All online orders are processed through PayPal. With PayPal, you’re able to use all major debit and credit cards.
Yes! We’re happy to provide you with a quote on custom products. Use our online form or email us at sales@sourcemountain.layerly.dev, and a representative will contact you!
Customers who have an established account with us that is in good standing can request a credit application to apply for payment terms of net 30.We work hard to ensure that your products will arrive in excellent condition, but sometimes the damage is out of our control. If you need to report damage, please call our office immediately to discuss the extent of the damage and to make further arrangements.
Returns are accepted on all undamaged items 90 days from the date of their original shipment from our warehouse, with prior approval from Source Mountain Supply, LLC. Please note that there is a 25% restocking fee on all returns. The customer is also responsible for all return shipping charges.
