Why low-slope roofs fail differently here
A flat or near-flat roof in Loon Lake faces a problem its steep neighbors don't: water has nowhere to rush off to. Snow piles up and sits, meltwater pools in low spots, and the freeze-thaw cycle that rolls in off the lake every spring works at every seam. On the cabins and year-round homes north of Spokane, we most often see low-slope membranes over sunrooms, garage and shop roofs, carport tie-ins, and the flat sections where an addition meets the main house.
When one of those membranes lets go, the leak rarely shows up where the failure is. Water tracks along the deck and surfaces three rooms over, which is why a patch over the wet spot almost never holds. We diagnose the actual entry point before we quote anything.
What TPO membrane brings to a lakeside roof
TPO (thermoplastic polyolefin) is a single-ply membrane that gets heat-welded at every seam, so instead of relying on adhesive or sealant that ages out, the sheets fuse into one continuous surface. That matters in Stevens County, where standing snowmelt and ice will exploit any seam that depends on a glued lap.
- Reflective white surface that sheds summer heat off shop and sunroom roofs
- Cold-weather flexibility so the membrane moves with the deck instead of cracking in a hard freeze
- Clean detailing around vents, skylights, and parapet walls where leaks usually start
For homeowners who prefer a different system, we also install other low-slope membranes and can walk you through the trade-offs for your specific roof.
Drainage, ponding, and ice come first
A membrane is only as good as the slope beneath it. Before we roll out a single sheet, we look at how water is supposed to leave your roof. On many Loon Lake low-slope sections we add tapered insulation to build positive drainage toward the right edge or drain, so meltwater moves instead of sitting and freezing.
We also check the edges and transitions where ice dams form when a warm interior meets cold roof air. Getting the slope, the drains, and the flashing right is what keeps a flat roof from becoming an annual repair call.
Built for the trip down Hwy 395
Loon Lake sits far enough up Hwy 395 that a lot of regional roofers treat it as an out-of-the-way job. We don't. As a family-owned company working across the Inland Northwest, we cover Loon Lake, the surrounding lake communities, and the smaller properties tucked off the highway as part of our normal service area.
That means you get the same crew, the same documented warranty, and the same response on a callback whether your roof is in town or on a gravel lane near the shoreline. Read more on our flat and TPO roofing services page.
Cabins, year-round homes, and small commercial
The mix of buildings around Loon Lake is unusual: seasonal cabins that sit empty through the worst of winter, full-time residences, and the occasional small commercial or rental building near the highway. Each calls for a slightly different approach.
- Seasonal cabins need a roof that survives months of unattended snow load
- Year-round homes benefit from added insulation under the membrane for comfort and ice control
- Shops and outbuildings want a durable, low-maintenance surface that won't need babysitting
We scope every flat-roof project to how the building is actually used, not to a one-size template.
Warranty, credentials, and what to expect
DG Contracting is GAF Master Elite certified, a status held by only the top 2 to 3 percent of roofers in the country, and we are licensed and insured in both Washington and Idaho. Every roof we install is backed by our 15-25 year workmanship warranty, with the GAF Golden Pledge offering up to 25- and 50-year coverage on qualifying systems.
If your project includes a full roof replacement, we'll include a 15-25 year workmanship warranty, and flexible financing is available so a sound roof doesn't have to wait. Estimates are always free, with no pressure either way.





