How Ice Dams Form and Why They Damage Roofs
A ridge of ice builds along the edge of a roof after a heavy snowfall, and within days water starts to seep into the attic below. That ridge is an ice dam, and it forms when heat escaping from a home warms the roof deck and melts the snow above it. The meltwater runs down the slope until it reaches the cold overhang past the exterior wall, where it refreezes. Layer after layer, the ice grows into a solid barrier that traps standing water behind it.
Once water pools behind the dam, it works its way under shingles and through the smallest gaps in the roof deck. From there it reaches the underlayment, the insulation, and eventually the ceilings and walls inside the home. Left alone, an ice dam can cause stained drywall, soaked insulation, rotted framing, and peeling paint. The weight of accumulated snow and ice also adds stress to gutters, fascia, and the roof structure itself. At LCT Construction and Services Inc., we address both the immediate hazard and the underlying moisture problem before either can spread.
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Our Roof Snow and Ice Dam Removal Process
We handle snow and ice removal in a deliberate sequence designed to protect the roofing materials underneath. Aggressive chipping or hacking at ice with metal tools cracks shingles and gouges the deck, so we rely on controlled methods that clear the load without adding damage. The goal is to relieve weight, open drainage paths, and stop water intrusion.
- Assessment: We inspect the roof, eaves, and interior for signs of active leaking and measure the snow load before any work begins.
- Snow removal: We rake and clear excess snow from the roof surface using tools that slide over shingles rather than scrape them.
- Steam-based ice removal: We melt ice dams with low-pressure steam, which lifts the ice cleanly away from the shingles without cracking or scoring them.
- Drainage clearing: We open channels through the ice so trapped meltwater can flow off the roof instead of backing up under the shingles.
- Final inspection: We check the cleared areas for existing damage and note any repairs the roof may need once conditions allow.
Steam is the safest option for finished roofing because it works at a temperature that melts ice but does not harm asphalt shingles. High-pressure washers and open flame both carry real risks, so we avoid them entirely. As a CertainTeed Premier Shingle Master, LCT Construction and Services Inc. understands how these materials respond to cold, heat, and mechanical stress, and we treat every roof accordingly.
Situations Where Removal Becomes Urgent
Certain warning signs mean an ice dam should not wait. Water stains spreading across a ceiling, icicles hanging heavy from the gutters, and visible ice ridges along the eaves all point to trapped meltwater. Homes with cathedral ceilings, poor attic ventilation, or uneven insulation are especially prone to repeat dams year after year. Commercial buildings with low-slope roofs face similar pressure from accumulated snow that has nowhere to drain.
We respond to these calls throughout Hopedale, Franklin, Uxbridge, Holliston, Wellesley, Grafton, and the surrounding communities. Because we serve the area year-round, we also see the long-term patterns behind recurring ice dams and can recommend ventilation or insulation improvements that reduce the problem in future winters. Clearing the ice now solves the immediate emergency, but correcting the heat loss that caused it keeps the dam from coming back.
Why Property Owners Trust LCT Construction and Services Inc.
In business since 2009, we have built our reputation on careful work and honest communication. We put the customer first, provide free estimates for all customers, and deliver workmanship you can trust. Snow and ice removal is demanding work performed in harsh conditions, and it calls for a crew that knows how to protect your roof while relieving it of a dangerous load.
Our commitment to superior customer service and the best possible quality carries through every job, from a single problem eave to a full roof buried under weeks of accumulation. When ice threatens your home or building, reach out to LCT Construction and Services Inc. for prompt, professional roof snow removal and ice dam removal that safeguards both your roof and everything beneath it.
