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What causes ice dams?

Coastal Windows & Exteriors team celebrates a completed Roof For Heroes project in Holliston MA.

Ice dams form when inadequate attic insulation allows warm air to escape through ceilings, heating roof surfaces that melt snow. Melted water flows down to cold roof edges where it refreezes, creating ice barriers that trap subsequent meltwater. Poor ventilation and insufficient insulation are the primary causes of ice dam formation.

What Are Ice Dams?

Ice dam formation on Essex County Massachusetts home showing how snow load on roof causes dangerous icicle buildup requiring professional roof inspection - Coastal Windows Beverly MA

Ice dams are ridges of ice that form at your roof’s edge, blocking melting snow from draining properly.

How do I know if Coastal serves my specific town?

Roof lifespan and replacement guide by Coastal Windows & Exteriors, GAF Master Elite contractor serving the North Shore of Massachusetts, covering asphalt and metal roof durability in New England's coastal climate.

Look for your county and find your town on our Areas We Serve page. Coastal Windows & Exteriors serves 680+ towns across Massachusetts, New Hampshire, and Maine. We’ve completed 7,000+ installations with consistent quality standards.

How much does snow removal cost?

Save 50% on installation with Coastal Windows & Exteriors, an award-winning exterior remodeling company serving Massachusetts, New Hampshire, and Maine. This promotional graphic highlights limited-time offers on James Hardie siding, roofing, replacement windows, and ProVia entry doors with financing available for up to 20 years.

Snow removal costs up to $600, but this is a band-aid approach if you’re experiencing leaking roofs or leaky windows. The best path forward is calling a roof replacement company to assess your roof condition.

What home improvements provide the best winter energy savings?

Save 50% on installation with Coastal Windows & Exteriors, an award-winning exterior remodeling company serving Massachusetts, New Hampshire, and Maine. This promotional graphic highlights limited-time offers on James Hardie siding, roofing, replacement windows, and ProVia entry doors with financing available for up to 20 years.

Multiple home improvements deliver exceptional winter energy savings. James Hardie weather barrier, insulating entry doors with polyurethane foam core, and GAF roofing with ventilation systems balance attic temperature and potentially lower energy bills.

How do I prepare my home for a harsh winter?

Save 50% on installation with Coastal Windows & Exteriors, an award-winning exterior remodeling company serving Massachusetts, New Hampshire, and Maine. This promotional graphic highlights limited-time offers on James Hardie siding, roofing, replacement windows, and ProVia entry doors with financing available for up to 20 years.

Prepare your home for winter by inspecting your exterior for early warning signs of failure. Catching siding damage, window drafts, door seal issues, and roof problems early saves you from energy loss and costly weather damage.