Why Rockwood business roofs need their own approach
Rockwood is not a strip-mall district. It is a quiet pocket of large historic estate homes, professional offices, and small clinics tucked among the South Hill streets, and many of the commercial buildings here are older structures adapted for business use. That means flat and low-slope sections grafted onto buildings that were never originally drawn for them, plus parapets, scuppers, and interior drains that an off-the-shelf crew tends to overlook.
We approach each building as its own problem. A converted residence with a low-slope rear addition needs a different membrane strategy than a purpose-built medical office with rooftop HVAC. We walk the whole roof, document every penetration and transition, and tell you what is actually driving water inside.
The tree canopy is the variable everyone underestimates
The heavy tree canopy that makes Rockwood Blvd one of the most beautiful streets in Spokane is also the single biggest threat to a flat roof underneath it. Leaves and needles pack drains and scuppers, then the water that should run off sits in ponds instead. On a low-slope membrane, standing water finds every weak seam.
For commercial buildings under mature trees we recommend wider drains, leaf guards sized to the debris load, and a maintenance cadence that clears the roof before the fall drop and again before the spring melt. Catching a clogged drain in October is the difference between a dry winter and an emergency call in February.
Membrane systems we install
We match the system to the building, the budget, and the rooftop traffic:
- TPO - a bright, heat-reflective single-ply that suits offices and clinics wanting lower summer cooling loads.
- EPDM - a proven rubber membrane that handles Spokane's wide temperature swings and is forgiving on irregular older rooflines.
- Modified bitumen - a multi-layer system that holds up well on roofs with foot traffic and frequent service access.
- Standing-seam and architectural metal - for the visible sloped sections on estate-style and mixed-use buildings where appearance matters as much as performance.
Every install includes detailed flashing at parapets, curbs, and penetrations, because on a commercial roof that is where the failures actually start.
Built for the way Inland Northwest winters work
Spokane winters do not just dump snow once. They load a flat roof, partially melt it during a sunny afternoon, then refreeze it overnight, and that freeze-thaw cycle works at seams and flashings like a slow pry bar. Ice dams form where roof heat meets cold edges, and on a low-slope building the meltwater has nowhere to go but inward.
We design for that reality: positive slope to drains wherever the structure allows, fully adhered or mechanically fastened membranes rated for wind off the Hill, and insulation values that keep the roof deck temperature even so ice dams have less to feed on. The goal is a roof that behaves the same in January as it does in July.
Maintenance plans that protect your building
A commercial roof is an asset, and the cheapest year of ownership is the one where nothing fails unexpectedly. We offer scheduled inspections that clear drains, reseal aging flashings, check seams, and photograph problem areas so you have a record for budgeting and insurance.
For business owners on the South Hill that predictability matters. You get a written report after every visit, a clear list of what was done, and an honest read on how many years your current system has left before replacement makes sense. If you are weighing repair against a full reroof, our roof replacement guidance walks through how we size that decision.
Working with DG Contracting
We are a family-owned company that has worked Spokane and North Idaho roofs since 2013, and we are GAF Master Elite certified - a credential held by only the top two to three percent of roofers in the country. We are licensed and insured in both Washington and Idaho, and our commercial work is backed by a 15-25 year workmanship warranty.
Estimates are free, financing is flexible, and we will give you a straight answer about your building rather than a sales pitch. Call (509) 209-1894 to schedule a walkthrough of your Rockwood property.
