Ice dams are not a Gresham problem so much as an Oregon one, and they show up on the same handful of eaves and valleys year after year. As part of our complete Gresham winter roof services, crews handle commercial ice dam removal across Multnomah County.
Sun on Cold Snow: The Gresham Pattern
At Gresham's elevation the air can stay below freezing all day while direct sun still melts the top of the snowpack. That meltwater runs down under the pack, reaches a shaded eave, and refreezes — on a day the thermometer never rose above freezing.
Aspect decides which eaves suffer. A sunny plane sheds water across a roof in Gresham to a shaded eave that has not been above freezing for weeks, and that is where the ice builds into a wall.
Ice-barrier practice in Multnomah County
High-country Oregon codes typically call for extended ice barrier and, on metal roofing, snow guards above any door, walkway or parking area. Both exist because of what comes off these roofs.
Commercial Ice Dam Removal in Gresham: How The Work Runs
Flat roofs fail differently
A pitched residential roof dams at the eave. A commercial deck dams at its drainage: frozen scuppers, iced-over internal drains, and ponding that refreezes into a sheet across the low spots. Water then sits on the membrane at depth, finds a seam or a flashing detail, and comes through into the tenant space below.
Parapet walls make it worse by holding the melt on the deck instead of letting it run off an edge. By the time it shows up as a ceiling tile stain in a Gresham unit, there is usually standing water up there.
Insulation above the deck changes the melt pattern
A modern commercial assembly puts most of its insulation above the deck, so very little building heat reaches the membrane. That is good for energy and it means the snow that lands mostly stays - the roof does not self-clear the way an under-insulated one does.
Where dams do form on those roofs it is almost always at a thermal bridge: a parapet, a curb, a drain bowl or a line of fasteners. Those are the spots crews work first.
Roof warranties and who is allowed up there
Most commercial membranes carry a manufacturer's warranty with conditions about who may work on the roof and what methods are permitted. Snow removal is generally fine; mechanical ice removal very often is not, and the wrong contractor with the wrong tool can void cover worth considerably more than the clearing.
The warranty gets read before the roof is walked, and the method used is one the document permits.
Overflow scuppers are the tell
Water running out of an overflow scupper in winter means the primary drains are not taking it. On a Gresham building that is a sign the roof is holding standing water somewhere above a frozen drain, and the load is being carried rather than shed.
Scuppers are checked first for exactly that reason, and a dry scupper above a wet roof is as informative as a running one.
The pitched sections nobody plans for
Very few commercial buildings are flat all the way across. Entrance canopies, mansard faces, dormers over older frontages and the sloped transitions between roof levels all shed onto places where people walk.
Those sections behave like a residential roof and get worked like one - steam at the eave, snow guards noted where they are missing, and the pavement below cordoned while material is coming down.
What you get in Gresham
- Documentation for the boardCondition report and photo record with every invoice
- Plant worked aroundHVAC curbs, conduit, racking and railing avoided, not cleared over
- Flow confirmed belowAn open drain throat over a frozen leader is not an open drain
| Removal method | Low-pressure steam only. No chipping, salt or pressure washing. |
|---|---|
| Service | Commercial Ice Dam Removal in Gresham, OR |
| Documentation | Dated before and after photos, written scope in Xactimate line items |
| Coverage area | Gresham and Multnomah County |
| Pricing model | Billed by the crew hour, rate quoted before dispatch |
| Typical scope | Steam, 8-16 crew hours typical |
| Primary climate stressor | Solar melt on deep pack, shaded eaves |
Neighborhoods and Towns We Reach From Gresham
Crews working Gresham cover the adjoining communities on the same route — Fairview, Troutdale, Boring, Damascus and Happy Valley — so a storm week usually means one truck handling several addresses in Multnomah County rather than separate trips.
Nearest hub towns with their own commercial ice dams pages: Portland, Oregon City, Lake Oswego, Tigard, Beaverton, Hillsboro.
Crews cover Gresham and the surrounding Multnomah County towns through the whole season, and during a freeze event they run from first light until dark.
Most jobs do not stop at one service. Commercial Ice Dams in Gresham often runs alongside commercial roof snow removal in Gresham, and both get written into one scope rather than billed as separate visits.
Active leak right now? Our 24/7 Gresham steam ice dam removal crews are dispatched first during a freeze event. Call (888) 561-9664.
