green bay’s Premier Roofing
and Siding Contractor.

Headquartered in Bonduel, Wisonsin, Allen Bontrager Carpentry is a premier roofing and construction contractor serving Green Bay, Suamico, De Pere, Oconto, Sturgeon Bay, and the surrounding areas. We built our reputation the traditional way: through honesty, uncompromising craftsmanship, and old-fashioned work ethic. We specialize in steel and shingle roofing, standing seam, gutters, siding, windows, doors, decks, barndominium builds, garages, sheds, barns, and more. We are fully licensed and fully insured commercial and residential contractors. Call us today for a free estimate!

Our reputation speaks for us

“Allen and his crew came out at 7 AM on a Monday just like he said they would…They were completely done on Tuesday at 4 PM. That included clean up and everything. This on a roof no one else wanted to do cause of how many peaks and valleys we had…”

“Roof looks great, done in one day!! No mess, can’t even tell they were here! Except of course for our new roof. Highly recommend.”