Why low-slope sections fail in this part of north Spokane
Fairwood sits in that pocket of north Spokane County where wide lots and mid-century to newer construction mean a lot of split-level rooflines, dormer flats, and patio-cover extensions. These low-pitch areas don't shed water the way a steep shingle field does, so when the membrane ages, water pools instead of running off.
Add the Inland Northwest winter pattern - heavy snow loads sitting for weeks, then a freeze-thaw cycle that works seams loose - and an old built-up or rolled-asphalt roof starts wicking water under the surface. By the time a stain shows on a ceiling near Whitworth or off Hatch Road, the deck below has usually been wet for a while.
What TPO membrane actually does for your home
TPO (thermoplastic polyolefin) is a single-ply membrane that we heat-weld at the seams, so the entire roof surface becomes one continuous waterproof sheet with no exposed fasteners or tar to crack. For Fairwood's mix of residential flats and small commercial buildings, it's the system we reach for most often because it handles standing water and temperature swings well.
- Welded seams that won't split under freeze-thaw stress the way asphalt laps do
- Reflective white surface that eases summer heat load on flat additions and shops
- Snow-load tolerance with proper deck prep and tapered insulation to move water toward drains
- Long service life with far less seasonal maintenance than rolled roofing
How we approach a Fairwood low-slope project
Every roof starts with a free on-site look. We check the existing deck for soft spots, confirm the slope and drainage path, and figure out whether your low-slope section needs tapered insulation to keep water moving. On homes where a flat addition meets a pitched main roof, the transition flashing is where most leaks begin, so we detail that junction carefully.
We then weld the TPO down to a clean, dry substrate, wrap parapets and curbs, and seal every penetration - vents, skylights, and any HVAC curbs on commercial jobs. As a GAF Master Elite contractor, a distinction held by only the top 2-3% of roofers nationwide, we can back qualifying installs with manufacturer-grade coverage most local crews can't offer.
Residential flats and small commercial under one crew
Fairwood's building stock isn't only houses. There are small offices, storage buildings, and mixed-use spaces near the commercial corridors that all run on low-slope membrane. We handle both sides of that work, which means whether you own a home with a flat carport roof or a small commercial building, you're dealing with the same family-owned team rather than getting bounced between specialists.
If your project mixes a flat membrane section with steeper shingle areas, we coordinate the whole job. You can see the full range of our work on our roofing services page.
Warranty, gutters, and financing
DG Contracting stands behind its membrane installs with a 15-25 year workmanship warranty, and qualifying systems can carry GAF's Golden Pledge coverage running 25 to 50 years on covered materials. When a flat-roof replacement ties into your home's drainage, we include a 15-25 year workmanship warranty.
Flexible financing is available so a needed membrane replacement doesn't have to wait until the next leak forces the issue. We're licensed and insured in both Washington and Idaho.
Local reputation you can check
We've been roofing the north Spokane area since 2013, and our work shows up in a 5.0 rating across 288 Google reviews from homeowners around Fairwood, Mead, Colbert, and the wider Inland Northwest. For a low-slope or TPO project, that track record matters - membrane work is unforgiving, and the seams either hold or they don't.
Call (509) 209-1894 for a free estimate on your flat or TPO roof.
