02/25/2015
Call 603 583-7724 for a free estimate. Professional roofer leading crew clearing any size roof and Ice dams.
Thank you,
Chris
What is A Ice Dam?
Ice dams form when melting snow on a roof refreezes at the edge of a roof. If this situation continues, the ice can work its way back up the roof edge and get under the shingles. As the ice melts it will drip into the attic and through the walls damaging insulation, drywall, carpet and flooring. You can be left with a wet mess! We offer 24/7 ice dam removal solutions and water damage restoration services to clean-up, dry-out and repair your wet damaged property.
Poor insulation and lack of adequate ventilation in the attic space causes the roof deck to heat up and melt the snow above. When it does, the water (AKA melted snow) flows down the roof and gets backed-up behind the dam with nowhere to drain off. Not only does this pool of water eventually refreeze into more ice (and continue to grow in size), but in the meantime the water can work its way under the shingles (or other roofing material). At this point, the water can leak into the home or building, and quickly cause damage to walls, ceilings, insulation and other internal parts of the structure.
What causes ice dams?
Roof ice dams result from the escape of heat into the attic or roof space. This heat builds up and eventually melts the snow on the roof, which, as described above runs to the cold edge of the roof and forms an ice dam. Factors such as ventilation, insulation, solar orientation, tree coverage, home architecture, snow cover and weather conditions all interact to determine ice dam activity on every home. Because no two houses are the same here in NH, it is common to have neighboring homes on two ends of the ice dam spectrum; one may have major leaking, while the other is virtually unaffected.
How Do Ice Dam's Form
Snow accumulation on the roof is the first step, and the deeper the snow, the more severe the problem is likely to be. Heat that leaks into the attic from the living space below warms the roof surface, and causes snow to melt. Melting doesn't happen evenly or uniformly, because some parts of the roof will be warmer than others. For example, if there's an attic hatch or drop-down stair that hasn't been well sealed or insulated, lots of warm air will leak up in this area, causing more snow to melt on the roof surface immediately above the opening.
How To Prevent Ice Dams
The most effective long term solution is to reduce or eliminate any sources of heat in the attic and ventilate the attic space of the roof. The underside of the roof deck must be close to the temperature of the exterior side of the roof. Ideally ventilation should be installed using a continuous soffit-and-ridge vent system with baffles at the lower side of the roof. Provide at least a 2-inch space between insulation and sheathing. By providing adequate ventilation as illustrated in this diagram, the temperature of the attic will be lowered thereby lowering the underside roof deck temperature.
It is also critical to eliminate all sources of heat in the attic space. Make sure to eliminate sources of heat such as:
uninsulated recessed ceiling can lights installed in the floor below
uninsulated folding attic stair openings
heating ducts
furnace or water heating equipment in the attic
bathroom vent fans that improperly vent to the attic
other similar problems.
We are out Raking Roofs / doing ice dam de-icing.
Please call me if you need any work performed.
Thank you!
Please call (603)583-7725 to schedule an appointment as soon as TODAY!
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(We also pick up non-working snow blowers for free!)
Snow Removal & Ice Control Services in Rockingham and Strafford Counties in New Hampshire.
We offer ice control and snow removal services for both residential and commercial customers throughout the seacoast area. Ice and snow can cause potentially dangerous conditions, which can lead to a substantial liability for any private or commercial property owner including office buildings, retail centers, hospitals, industrial properties, and commercial parking lots. We offer professional ice control and snow removal service to reduce and eliminate hazardous walking and driving conditions.
Our snow removal teams are equipped and ready 24/7 to handle any snow or ice storm. Our professional snow and ice removal services include:
Snow Plowing / Snow Blowing
Shoveling / Sidewalk Clearing
De-icing / Ice Control
Snow Removal / Hauling
Ice and Snow Storm Pre-treatment
Ice Melt / Salt / Sand Treatments
Snow and Ice Management
Winter weather in New Hampshire can be extremely harsh. Call today at (603) 583-7725 for fast and reliable snow and ice removal services.
Professional Snow Plowing Company- Commercial/Residential
