When it comes to roofing and building, quality materials make all the difference. At Lake Lumber, we offer a wide selection of top-grade roofing and building supplies. From shingles to structural elements, find everything you need to construct with confidence. Explore our range and build with the best!

 

Owens Corning

You see a beautiful roof. We see a world of science at work. A system of highly engineered components, designed, built and tested to deliver total protection under constantly changing conditions. It’s advanced science—for performance and beauty designed to last. Owens Corning created the Total Protection Roofing System®^ to make it simple to get everything you need in one complete system.

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Simpson Strong-Tie®

With nearly 70 years of field and R&D experience, Simpson Strong-Tie® connectors are manufactured to the industry's highest standards. From framing angles to straps to heavy-duty girder hangers, we offer the most diverse product line so that you have the right product for the job. Find out how Simpson Strong-Tie connectors can help you build the right way every day.

 

Custom Millwork & Finishing

Custom Millwork & Finishing is a trusted wholesale supplier of made-to-order interior millwork packages, serving both residential and commercial projects. Known for their reliability and craftsmanship, they partner with dealers across Iowa and surrounding areas—including lumber yards, design-build firms, architects, and interior designers. Offering a wide range of products from interior doors to custom mouldings, hardwood flooring, stair parts, and more, Custom Millwork & Finishing provides a convenient one-stop solution for high-quality, custom millwork needs. Their dedication to service and selection makes them a valuable resource for professionals seeking dependable, beautifully crafted materials.

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GRK

GRK offers a wide selection of fasteners that includes Multi-purpose, structural, trim, cabinet, composite and stainless screws. GRK's products are designed for ease of use and faster drive times, increasing productivity for users. GRK products are Climatek™ coated, approved for use in treated lumber, and designed for both interior and exterior use.