Owner · Durafoam Roofing · Phoenix, AZ
Tim is co-owner of Durafoam Roofing, the family-owned Phoenix foam roofing company founded by his father Steve in 1989. He's the recurring foam-roofing expert on Rosie on the House and the voice behind the interview-style articles on this site.
Durafoam Roofing was founded in 1989 by Steve Forstie with one principle: produce the highest quality roof possible at an affordable cost. Steve's sons Tim and Curtis grew up on Phoenix rooftops learning the trade from him, and took over running the company as co-owners.
That continuity is why homeowners who called Durafoam in the '90s still call today: it's the same family, the same craftsmanship, and the same repair-first approach — no salespeople, no upsells, no pressure.
Rosie on the House — Arizona's longest-running home-improvement radio show and podcast — has certified Durafoam as its foam-roofing partner since 1996. Tim has appeared on the show multiple times to walk Arizona homeowners through foam roofing, maintenance, and monsoon-season repairs.
June 2026 · Rosie on the House
A Guide to Foam Roofing with Durafoam Roofing
May 2024 · Rosie on the House
The Particulars of Foam Roofs with Tim Forstie of Durafoam Roofing
See every media appearance on the Rosie on the House hub page.
"The primary reason to use foam is the insulation factor it provides."
"Many of the old roofs we do can be recovered with foam. We clean and prepare the existing membrane and then install the Durafoam system over the top. The process saves on costs for the homeowner and helps the environment by keeping old roofing materials out of our landfills."
"We recommend that homeowners have their roofs inspected annually to catch potential problems before they can cause costly repairs."
Interview-style Q&A articles written directly from Tim's answers on Phoenix foam roofing.
Since 1989, our family at Durafoam Roofing has been keeping Phoenix homes dry under the Arizona sun. We asked our owner, Tim, to share his expert insights on the most common foam roof problems he sees while out on the job and how you can spot them before they turn into costly repairs.
Since 1989, our team at Durafoam Roofing has been protecting Arizona homes from the relentless desert sun. We sat down with our owner, Tim, who has been on Phoenix rooftops for over three decades, to answer the most common questions about why foam roofing is the gold standard for our unique climate.
Identifying early warning signs is the best way to extend the lifespan of your roof and avoid costly interior damage. With hands-on experience across the Phoenix valley since 1989, our owner Tim has seen it all and is sharing his expertise on what you should look for. Here is Tim’s guide to knowin
Choosing the right contractor for your home is a major decision, especially given the unique challenges of the Arizona climate. Our owner, Tim, has been on Phoenix rooftops since 1989 and knows exactly what homeowners should watch out for. We sat down with him to get his expert take on the mu
Free, no-pressure inspection. Repair-first — we won't recommend a replacement your roof doesn't need.
