★★★★★
Awesome! Professional crew from start to finish! Thank you Victor, Daniel, Anna, and Patrick! We love the results and the lifetime warranty!
— Constance J., Portland, OR
Washington County, OR
Metal Roofing in Washington County, Oregon
Washington County's tech-corridor suburbs — Beaverton, Hillsboro, Tigard, Tualatin, Sherwood — are full of homes built in the 80s and 90s that are now on their second or third asphalt roof. That repeat tear-off is exactly what interlocking aluminum eliminates. One installation, engineered against the valley's rain and moss, warranted for as long as you own the home. We've been installing across the county from our Portland office since 1997, and our documented installs here run from Forest Grove to Bull Mountain.
★ 4.8 average from 602 verified Oregon reviews
Call our Portland office: (503) 966-2948 · Toll-free 1-866-733-5811
THE NUMBERS THIS ROOF HAS TO SURVIVE
Ten-year averages for Washington County: about 48 inches of rain and 11 inches of snow a year, a mean temperature near 52°F, gusts recorded to 75 mph, and roughly 37 freeze-thaw days. The last two decide how long a roof covering lasts here, and they are the two figures almost nobody quotes a homeowner.
MOSS IS THE FAILURE MODE HERE, AND IT IS SLOW
48 inches of rain a year keeps a north slope damp from October to May, and that is all moss needs. It roots between asphalt granules, holds water against the mat, and lifts the edge of each tab as it grows. The roof does not fail in a storm — it fails quietly over fifteen years while somebody pays for washing and treatment every few seasons. Smooth interlocked aluminum gives moss nothing to grip.
THE HOUSING STOCK IS THE OTHER HALF
Washington County's older neighborhoods are Craftsman bungalows, foursquares and mid-century ranches — steep north slopes, deep eaves, dormers and valleys, and often a second layer of asphalt already up there. Profile matters on those rooflines: shingle, cedar shake and slate pressed in aluminum keep the character the architecture expects, in Alunar-coated colors warranted for 30 years.
FREEZE-THAW — 37 DAYS A YEAR, AND WHY CONCEALED FASTENERS MATTER
Freezing on its own does not damage a roof. Freezing and thawing does, and Washington County crosses that line roughly 37 times a year. Every cycle drives water into a seam, expands it, and reopens it slightly wider. Interlock carries no sealant beads doing the waterproofing and no exposed gaskets to age, so there is nothing for that cycle to work on.
Our work
Completed Interlock® roofs across Oregon
Every pin is a real installed Interlock roof — location, system and install year. Browse the Oregon directory of completed projects, or explore the map below.
Gallery
Interlock roofs installed across Oregon
Real homes, real installations — photographed after completion.
Beaverton, OR
Tile Red
Hillsboro, OR
Black
North Plains, OR
Tudor Brown
North Plains, OR
Tudor Brown
Beaverton, OR
Tile Red
North Plains, OR
Tudor Brown
Beaverton, OR
Deep Charcoal
Beaverton, OR
Deep Charcoal
Reviews
What Oregon homeowners say
★★★★★
Our new Interlock Roof is beautiful. And our neighbors have noticed. The whole process was very professional from beginning to finish. Victor, Daniel and Patrick were incredibly efficient, courteous, knowledgeable, and hard-working. Would recommend highly.
— Connie A., Oregon City, OR
★★★★★
Our new Interlock Roof is beautiful. And our neighbors have noticed. The whole process was very professional from beginning to finish. Victor, Daniel and Patrick were incredibly efficient, courteous, knowledgeable, and hard-working. Would recommend highly.
— Connie A., Oregon City, OR
★★★★★
Crew was amazing, we had one main house roof and two porch roofs that needed to be done fast and before the rain and they handled it well! Our metal roof got finished in two days and they came back out again to clean up on the third day and wrap up everything. We highly recommend them and their service as everything turned out great! Edit: I forgot to mention, we worked with a few different people but I believe it was Patrick and his crew whom helped us
— Erika C., Wilsonville, OR
★★★★★
Maybe the best decision we’ve ever made. Looks incredible ! The roofers (Victor and Daniel) were pleasant and did an amazing job. They were kind and courteous and very tidy. Totally worth the expense. I would recommend them to anyone.
— Amy B., Myrtle Point, OR
★★★★
I had a very good experience with Interlock. From the initial presentation to the installation, I was very impressed with the knowledge and thorough nature of each step. The finished product looks beautiful too! To know that I have a lifetime warranty on my 'forever home' is incredibly peace giving. If a company offers you a lifetime warranty on everything but the color (that warranty expires after 30 years), you know they will do all they can to make the finished product perfect! My ONLY reason for not giving 5 stars was that during the estimate, we were told we'd need to replace plywood due to mold. When it came time to actually install the plywood, they needed to double the amount required which increased our bid by over $2K. Obviously I wish the original estimate had been more accurate. That said, our attic now has the correct amount of ventilation, fresh plywood with no mold, protected skylights and solar tubes and a beautiful finished product. I'm very happy! If I could give 4.5 stars, I would!
— Shannon C., Salem, OR
Towns we serve in Washington County, OR
Aloha, Banks, Beaverton, Bethany, Bonny Slope, Bull Mountain, Cedar Hills, Cedar Mill, Cherry Grove, Cornelius, Dilley, Durham, Forest Grove, Garden Home-Whitford, Gaston, Hazeldale, Helvetia, Hillsboro, King City, Laurelwood, Metzger, North Plains, Oak Hills, Raleigh Hills, Reedville, Rock Creek, Scholls, Sherwood, South Beaverton, Tigard, Timber, Tualatin, West Haven-Sylvan