Exterior Products: Roofing, Siding, Decking, and Railing
Our exterior products category covers the outside of the house from the ridge to the foundation. We stock roofing, siding, railing, and exterior stone veneer for residential and light construction work.
We stock exterior products from industry-leading brands, including CertainTeed, AZEK, TimberTech, LP SmartSide, James Hardie, Royal Building Products, Versetta Stone, Stonecraft, Boral, Color Guard Railings, and Westbury.
Whether you are replacing a roof, residing a house, or building a new deck, our staff will help you compare options and get the right materials on your schedule.
Roofing, siding, decking, and railing.
Roofing
Siding & stone
Decking & railing
A roof built for lake-effect winters.
CertainTeed shingle systems, underlayment, and ventilation, with shingle elevators on the delivery truck so bundles land on the roof instead of the driveway.
Decking and railing you only build once.
AZEK and TimberTech composites paired with Westbury and Color Guard Railing Systems. Compare board profiles and railing infill side by side at our displays.
Michigan homes that hold their color.
James Hardie, LP SmartSide, Royal Building Products, Versetta Stone, Stonecraft, and Boral.
The shell of the house.
Roofing
Vinyl siding
Fiber cement & engineered wood siding
Exterior trim
Outdoor living, built to last.
Composite & PVC decking
Wood decking
Deck railings
Featured brands
Common questions.
How do you choose between composite and wood decking?
Start with three honest questions: How much maintenance are you willing to do? What's your budget? What look do you want? There's no single right answer — come compare both at our displays and decide with the products in front of you.
What roofing brands does DeWitt Lumber carry?
We stock CertainTeed roofing products and can special-order additional lines through our distributors.
Before you buy.
Fiber cement vs. engineered wood siding
Cost, maintenance, and how each performs through a Michigan freeze-thaw cycle.
Composite decking, board by board
Capped vs. uncapped, hidden fasteners, and framing spans for composite systems.
Planning a re-roof
Measuring, tear-off, ventilation, and scheduling delivery around the crew.
Replacing a roof, residing a house, or building a new deck?
Our staff will help you compare options and get the right materials on your schedule.