One of the biggest mistakes homeowners make is assuming every roof replacement is basically the same.
On newer homes, that's often true.
On older homes, it almost never is.
Every decade tells a different story. A kitchen addition in the '70s. A garage built in the '90s. A porch enclosed somewhere along the way. Different framing. Different materials. Different building practices. By the time the roof needs replacing, you're not working on one roof anymore — you're working on the history of the house.
We see that all the time throughout Portland's older neighborhoods.
One recent project in Southwest Portland looked straightforward at first. But the home had been expanded over several decades with a pool house, a garage, and multiple additions. Each section had its own roofline, its own materials, and its own design challenges.
Then we discovered the shingles the homeowner had lived with for years had been discontinued. Nothing close was available anywhere in the Pacific Northwest.
Rather than forcing the closest match, we started over.
We brought sample after sample to the house. Compared colors against the original trim and siding — materials that couldn't be replaced if they were damaged. We selected an architectural shingle that preserved the character of the home and designed the lower flat roofs so they carried the same visual weight as the pitched roof above.
When the project was finished, it looked like it had always been one roof.
A few weeks later, we were on a completely different home in Oregon City.
From the street, it looked like a routine replacement.
Once we got into the attic, it wasn't.
We found rotted structural framing, failing chimney flashing, a porch cover pulling away from the house, and an attic with ridge vents but no intake ventilation at the eaves. For years, heat and moisture had nowhere to go.
Before we could install a single shingle, we coordinated a city power shutoff so structural repairs could be completed safely. We rebuilt the damaged framing, restored the home's original decorative timber, corrected the ventilation system, and then installed the new roof.
On paper, those two projects looked remarkably similar.
Similar size.
Similar roofing material.
Similar scope.
In reality, they couldn't have been more different.
That's what working on older homes really means.
It isn't just replacing shingles. It's understanding how the house was built, what's been changed over the years, and what needs to happen now so the next roof lasts the way it should.
Every older home has its own story.
The roof should respect it.
If your home is more than 20 years old and you're wondering where your roof stands, we're happy to take a look.
Integrity Roofing Co. offers free roof inspections for homeowners throughout Portland, Oregon City, Lake Oswego, West Linn, and the surrounding metro area.
📞 503-558-2843
🌐 integrityroofingco.com
