If you are in Hanover watching icicles grow along the gutter line, what you are really watching is water that no longer has anywhere to drain. As part of our complete Hanover winter roof services, crews handle commercial roof snow removal across Grafton County.
Hanover Ice Dams: What a Five-Month Snow Pack Does
The defining feature of a Grafton County winter is persistence. It is not one storm, it is a continuous load sitting on the roof from late fall through to a spring thaw.

A long season is not a safer one. It means more freeze-thaw cycles, and each one adds a layer to the dam. By late winter the ice at a Grafton County eave can be a foot deep and locked to the shingle, with standing water sitting behind it.
Ice-barrier practice in Grafton County
Insulation depth matters at least as much as membrane in this climate, and Grafton County stock built before modern attic standards tends to be short on both. One is a code question; the other is why the dam formed.
Commercial Roof Snow Removal in Hanover: How The Work Runs
Reduction to a threshold, not a bare deck
The goal is bringing the load under the structure's capacity safely, with a cushion layer left on the membrane throughout. Ceiling Sagging or Bulging After Snow.
Scraping a commercial Hanover roof to bare membrane costs more, takes longer and risks the roof covering for no structural benefit.
Drains and overflows come first
Before anything else comes off, the drains, scuppers and overflow outlets get opened. Otherwise the melt from the clearing has nowhere to go and the roof trades a snow problem for a ponding one.
On a deck in Hanover with internal drains that means confirming flow below, not just clearing the grate.
Fall protection on a deck with no anchors
Most commercial roofs have no permanent anchor points and a parapet too low to count as a guard. Working near an unprotected edge legally requires a system, and improvising one is where people get hurt.
Crews bring mobile anchors, warning lines and whatever the layout actually needs. Where the roof cannot be worked safely at all, that gets reported to the Hanover property manager as a finding, because it will be just as true during the next storm.
Reduction, not bare deck
The goal is to bring the load under threshold safely, not to scrape a roof in Hanover clean. Clearing is balanced across the deck so load is not shifted onto one bay, drains and scuppers are opened so melt has an exit, and a cushion layer always stays on the membrane.
Where the figures call for it, crews bring in crane-assisted picks instead of adding bodies to a roof that is already carrying too much.
Why large decks carry the most risk
A long-span steel or open-web joist roof has the least margin exactly where the drift is deepest — mid-span. Snow does not settle evenly either: it piles against parapets, behind rooftop units, in the lee of higher adjoining roofs, and in valleys between bays. The average depth across the roof is not the number that matters.
Crews survey depth and density at the drift points rather than the middle of the field, and calculate the working load from that against the structure's design capacity.

What you get in Hanover
- One invoice per siteMulti-building properties scoped and billed together
- Drift-point surveyDepth and density measured where it collects, not where it is convenient
- Drains kept openScuppers and internal drains cleared so meltwater has an exit
| Removal method | Low-pressure steam only. No chipping, salt or pressure washing. |
|---|---|
| Pricing model | Billed by the crew hour, rate quoted before dispatch |
| Typical scope | Steam, 6-14 crew hours typical |
| Dispatch window | Same day to 24 hours |
| Primary climate stressor | Sustained sub-freezing, long season |
| Coverage area | Hanover and Grafton County |
| Local ice-barrier practice | Eave membrane required on new work |
Neighborhoods and Towns We Reach From Hanover
Crews working Hanover cover the adjoining communities on the same route — Etna, West Lebanon, Lyme, Enfield and Lyme Center — so a storm week usually means one truck handling several addresses in Grafton County rather than separate trips.
Nearest hub towns with their own commercial snow pages: Lebanon, Claremont, Franklin, Laconia, Concord, Keene.
Crews cover Hanover and the surrounding Grafton 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 Snow in Hanover often runs alongside crane-assisted snow removal in Hanover, and both get written into one scope rather than billed as separate visits.
Active leak right now? Our 24/7 Hanover steam ice dam removal crews are dispatched first during a freeze event. Call (888) 561-9664.




