Most Big Sky homeowners find out about an ice dam from the inside — a damp patch on a bedroom ceiling, or water tracking down the inside of a window frame. As part of our complete Big Sky winter roof services, crews handle commercial ice dam removal across Gallatin County.
Big Sky Ice Dams: Melting on Days It Never Thaws
The pack at this elevation is deep enough to act as its own insulation, which means the surface melts under sun while the base stays locked. Water released at the top has to travel through and under all of it.

Aspect decides everything here. The sunny plane sheds water that the shaded plane and the shaded eave then lock up, so one side of a roof in Big Sky is clear while the other carries a wall of ice.
Ice-barrier practice in Gallatin County
Snow retention above doors, walkways and parking is a requirement in most Gallatin County jurisdictions for good reason: a release off a metal mountain roof is a serious event, not an inconvenience.
Commercial Ice Dam Removal in Big Sky: How The Work Runs
Built for property managers
One contact, one scheduled window, one invoice coded the way your accounting needs it. Crews work around tenant hours where that matters, and the condition report goes to whoever has to show the board or the owner what was spent and why.
Membrane-safe means something specific
EPDM, TPO and modified bitumen all tolerate steam at low pressure and none of them tolerate chipping, scraping or a pressure washer. Crews steam the drains and scuppers open first to restore flow, then work the ponded ice, and they stay off seams and flashing details with the lance.
Mechanical units, conduit runs, solar racking and safety railing all get worked around rather than over.
Access control, hatches and escorts
Getting onto a commercial roof is a procedure: keys or fobs, a hatch that may be padlocked, a ladder in a locked plant room, sometimes a site induction and an escort for the duration.
Sorting that out with the property manager in advance is the difference between a crew starting at seven and a crew waiting in the parking lot until nine. Where a tenant controls the only access, that conversation happens before the dispatch rather than on the roof.
Internal drains fail differently from gutters
A residential gutter overflows when it blocks. An internal roof drain just stops, and the water stays on the deck at depth until it finds a seam, a flashing detail or a pitch pocket.
Crews open the drain throat and then confirm flow in the leader below before calling it clear. An open drain over a frozen leader is not an open drain, and on a Big Sky building that distinction shows up as a tenant ceiling two floors down.
Working around rooftop plant
HVAC curbs, exhaust fans, conduit, gas lines, solar racking and railing are all obstacles and all drift traps. The snow behind a large unit is usually the deepest on the roof and the ice under it the thickest.
Crews work around and under them rather than over, and anything running stays running.

What you get in Big Sky
- Flow confirmed belowAn open drain throat over a frozen leader is not an open drain
- Overnight windows availableWork scheduled outside occupancy where access demands it
- Plant worked aroundHVAC curbs, conduit, racking and railing avoided, not cleared over
| Coverage area | Big Sky and Gallatin County |
|---|---|
| Removal method | Low-pressure steam only. No chipping, salt or pressure washing. |
| Local ice-barrier practice | Extended membrane plus snow retention |
| Primary climate stressor | Solar melt on deep pack, shaded eaves |
| Dispatch window | 24 to 48 hours in mountain terrain |
| Documentation | Dated before and after photos, written scope in Xactimate line items |
| Typical scope | Steam, 8-16 crew hours typical |
Gallatin County Coverage From Big Sky
Crews working Big Sky cover the surrounding Gallatin County addresses on the same route, so a storm week usually means one truck handling several properties rather than separate trips.
Nearest hub towns with their own commercial ice dams pages: Bozeman, Belgrade, Livingston, Butte, Helena, Billings.
When a storm hits Gallatin County, crews are dispatched by severity rather than by call order — water already inside the house goes first.
Most jobs do not stop at one service. Commercial Ice Dams in Big Sky often runs alongside commercial roof snow removal in Big Sky, and both get written into one scope rather than billed as separate visits.
Active leak right now? Our 24/7 Big Sky steam ice dam removal crews are dispatched first during a freeze event. Call (888) 561-9664.




