Ice Dam Removal in Moncton, NB — Safe, Fast & 24/7
Quick Answer:
Professional ice dam removal in Moncton costs $800–$2,500 CAD. We use low-pressure steam — the only safe method that removes ice without damaging shingles or ice & water shield. 24/7 emergency response across Greater Moncton.
Active ice dam causing leaks? Call now — we dispatch within hours across Moncton, Dieppe & Riverview
Signs of Active Ice Dam Damage
- Water stains on ceiling near exterior walls
- Dripping water from light fixtures or walls
- Icicles forming in unusual places (mid-roof)
- Visible ice buildup along eaves in ridges
- Paint bubbling or peeling on interior walls
- Wet insulation smell from attic
Quick Answer: What is ice dam removal and how much does it cost in Moncton?
Ice dam removal in Moncton, NB costs $800–$2,500 CAD using professional low-pressure steam — the only safe method that removes ice without damaging shingles or ice & water shield. Ice dams form when heat escaping through your attic melts rooftop snow, which refreezes at cold eaves. Moncton's frequent freeze-thaw cycles (Nov–Apr) make this the most common winter roofing emergency in Greater Moncton.
$800–$2,500
Removal Cost
< 2 hours
Response Time
200–300 cm
Annual Snowfall
Based on 2025–2026 Greater Moncton contractor data and Environment Canada climate records.
What Are Ice Dams — and Why Is Moncton So Vulnerable?
Ice dams form when heat escapes through your ceiling into the attic, warming the roof deck and melting snow from below. That snowmelt flows down toward the eaves — which are cold because they extend beyond the heated living space — and refreezes, forming a ridge of ice (the "dam"). Additional snowmelt pools behind the dam and eventually seeps under shingles into your home.
Moncton is particularly vulnerable because of its frequent temperature swings — a 20°C temperature change in 24 hours is not unusual from November through April. Each swing melts snow (warm) and then refreezes it (cold), building ice dams progressively larger over the course of a winter. Combined with Moncton's 200–300+ cm annual snowfall, this creates the perfect conditions for significant ice dam formation.
Ice Dam Damage Chain
Ice dam forms at eave
Snow melts, flows down, refreezes at cold overhang.
Water pools behind dam
Snowmelt backs up — nowhere to drain.
Water infiltrates under shingles
Seeps through any gap: nail holes, joints, damaged ice & water shield.
Water enters living space
Stains ceilings, damages insulation, promotes mould within 24–48 hrs.
Ice Dam Removal Methods — What We Use in Moncton
Only one method is safe for both the homeowner and the roof: professional low-pressure steam.
Low-Pressure Steam ✓
Professional steam removes ice without mechanical force. Safe for all shingle types, ice & water shield, and metal roofing. The only method we recommend.
Cost in Moncton: $800–$2,500
Sharp Tools ✗
Ice picks, axes, and chippers cut through ice & water shield, creating vulnerabilities that cause worse leaks for years. Never use sharp tools on roofing.
Calcium Chloride ✗
Salt accelerates shingle granule loss and corrodes metal flashing. Kills surrounding plants. Only use if absolutely no other option is available.
How to Permanently Prevent Ice Dams in Moncton
Removal treats the symptom. These four steps eliminate the root cause — applicable to any Moncton home.
Upgrade Attic Insulation
Increase attic insulation to minimum R-50 (NB recommendation). This is the single most effective ice dam prevention measure — stops the heat from escaping through your roof deck in the first place.
Add Proper Roof Ventilation
Install balanced soffit + ridge ventilation to keep attic temperature close to outdoor temperature. Per NBC 2020, minimum 1:300 net free ventilation area ratio is required. Improper ventilation is the #2 cause of ice dams in Moncton.
Install Ice & Water Shield
During your next re-roofing, install IKO StormShield or CertainTeed Vycor ice & water barrier at all eaves (minimum 1 metre past interior wall line), in all valleys, and around all penetrations. This won't prevent the dam but stops water infiltration.
Install Heated Gutter Cables
Self-regulating heated cables (EasyHeat, Warmup, HotEdge) installed along vulnerable eaves and through downspouts provide winter-active prevention. Most effective on chronic problem areas like north-facing eaves and valleys. Add-on cost: $400–$1,200 professionally installed.
Ice & Water Shield Products Used in Moncton
IKO StormShield
Self-adhesive SBS-modified bitumen. Most commonly specified by Moncton IKO-certified contractors.
IKO ArmourGard
Premium IKO option — enhanced adhesion in cold-weather application. Used on complex valleys.
CertainTeed Vycor Plus
Highly conformable to irregular surfaces. Preferred for around chimney and pipe penetrations.
Ice Dam FAQ — Moncton, NB
How much does ice dam removal cost in Moncton?
Professional ice dam removal in Moncton costs $800–$2,500 depending on severity, roof size, and access difficulty. Emergency response (active water infiltration) typically runs $1,000–$2,000. Prevention installation (heated cables, ventilation upgrades) costs additional but eliminates recurring removal costs. Most NB home insurance policies cover interior water damage caused by ice dams — we provide documentation for your claim.
Can I remove an ice dam myself in Moncton?
DIY ice dam removal is strongly discouraged. Using sharp tools risks slicing through your ice & water shield or shingles, creating vulnerabilities that cause far worse leaks in future years. Calcium chloride (salt) can accelerate shingle degradation and kill surrounding plants. Working on an icy roof without fall protection violates NB OHS regulations and risks serious injury. Professional steam removal is safe and effective.
What causes ice dams in Moncton NB?
Ice dams form when heat escaping through your ceiling (from inadequate attic insulation or ventilation) melts snow on the warm upper roof. That water flows down to the cold eave overhang where it refreezes, creating a dam. More snowmelt backs up behind the dam, eventually seeping under shingles into your home. Moncton's frequent freeze-thaw cycles (temperature swings of 20°C+ in one day) accelerate this process dramatically.
How do I permanently prevent ice dams in Moncton?
Permanent prevention requires addressing root causes: (1) Upgrade attic insulation to minimum R-50. (2) Add soffit + ridge ventilation to keep the attic cold (matching the exterior temperature). (3) Install ice & water shield at all eaves (min 1m past interior wall) during next re-roofing. (4) Optional: heated gutter cables (EasyHeat, HotEdge) along vulnerable eaves. The combination of proper insulation + ventilation eliminates 90%+ of ice dam formation.
Sources & References
Last updated: March 2026- [1]National Building Code of Canada 2020— Ventilation and ice barrier requirements
- [2]Environment Canada — Moncton Weather Data— 200–300+ cm annual snowfall, freeze-thaw frequency
- [3]NB OHS Regulation 91-191— Fall protection requirements for roofing
- [4]City of Moncton Building Permits— Permit rules and fee schedule
Content on this page is based on publicly available Canadian building codes, government data, manufacturer specifications, and local market research. Always verify current requirements with the City of Moncton or a licensed NB contractor.
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