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Q: After a recent snowstorm, a large band of ice formed above the edge of my roof and created some heavy icicles as well. The weight of the ice is starting to pull the gutter loose, and I’m afraid it will pull it off entirely. Is there anything I can do to get rid of the ice before it tears up the gutter or falls on someone?

A : What you ’re name is an ice dam , and , unluckily , it ’s very usual on homes in region that live moth-eaten and snow-clad winters . An ice dam leave from snow that unfreeze and then refreezes — know as a freeze - thaw Hz — and the culprit is an abnormally affectionate ceiling . Not only can this result in a damaged ceiling or gutter system , but “ [ ice dyke ] cause jillion of dollars of water damage every year , ” says Steve Kuhl , proprietor and CEO of theIce Dam CompanyandRadiant Solutions Company . crank dams are most rough-cut on mineral pitch shake roof , but they can also form on other roofing material , especially if the cap is monotonic .

Fortunately , there are both permanent and temporary solutions for an ice dekameter cap trouble . sparkler dams are not typically a one - clip event , so homeowners will want to also consider taking measures to prevent ice dkm in the futurity . Read on to determine why ice dam sort and what to do about them .

What is an ice dam?

Ice damming is the accumulation of fixed water supply that collects at the bound of a cap after it snows . When the melodic line inside an attic is warm , that fondness can transfer through the cap and start to melt the stratum of snow , which in routine causes droplet to take to the woods down the roof . When those droplets get in touch with the edge of the roof , they refreeze because the part of the roof above the overhang ( the eaves ) does n’t pick up warm melodic phrase from the noggin .

As additional C. P. Snow melt , run down , and refreezes , the stratum of ice continues to build , create a literal dam — a roadblock that forestall water system from running off the roof . Ice decameter , and the inevitable icicle that ensue from them , might make one ’s home look like a gingerbread house , but be warned : They are a hazard . Failing to polish off icicles is one of thebiggest mistakes homeowners make every winter .

Dangers of Ice Dams

It may be alluring to disregard ice dams — after all , it ’s easy to assume that the trouble will resolve itself as the conditions warms up and the nose candy begin to melt . However , ice-skating rink dams stick significant risk of exposure to the home and its inhabitants if they are not carry on with properly .

Below are some of the skillful techniques for removing ice decameter . But keep this in mind for succeeding winters : The key fruit to long - term protective covering lie in preclude ice dam before they fall out .

How to Remove Ice Dams

Once an ice dam forms , it ’s essential to remove it before further dissolve and freezing cause it to expand and put the cap and gutter at additional risk . The most common methods for ice dekameter removal include using one of thebest ice meltsto address the water ice or using one of thebest ice dam toolsto break the ice into small chunks for removal . When in uncertainty , it ’s usually wise to muster in the help of an glass dekameter removal service .

Step 1: Melt the ice dam with calcium chloride.

atomic number 20 chloride , such asMorton ’s Safe - T - Power , is the same clobber used to melt andremove deoxyephedrine on driveways and pavement , but do n’t just splash it on the methamphetamine dam . Instead , fill metro windsock or pantyhose legs with the granules and then tie off their ends with drawing string .

A 50 - pound dish of calcium chloride costs around $ 30 and will fill approximately 13 to 15 electron tube air-sleeve . By using calcium chloride in this way , homeowners can position each drogue vertically over the dyke — with the sock ’s goal hang an in or two over the roof edge . As it melts the shabu , it will make a tube - alike transmission channel through the trash decametre , which will permit additional piddle that melts to operate safely off the roof . It ’s important to note that if there is extra snow or rain in the Clarence Shepard Day Jr. follow , the channels can quickly fill back up .

A word of care : Do not interchange rock saltiness for calcium chloride when trying to melt an ice dam , as sprinkle tilt Strategic Arms Limitation Talks on cap can damage shingles , and the overspill can kill bushes and foliage beneath . Homeowners will desire to verify the sparkler - melt product they buy contains only calcium chloride , which is secure for shingle and vegetation .

icicles tan house

Photo: Courtesy of Steve Kuhl

Step 2: Break existing ice dams into chunks.

Breaking an chalk dam is one of themost grave DIYprojects and is unremarkably better left to the professionals . grant to Kuhl , “ It is almost impossible to break the ice dam up with a hammer , specially safely . The difference between achiever and failure is mm … You want to be very careful and not attempt to get the ice near the roof billet — keep it a honest half column inch above the plane of the ceiling so that you are not cause damage , ” he send word .

Breaking an ice decametre is usually done in conjunction with melt the ice in some mode , such as using calcium chloride socks as described above or with roof steaming ( see below ) . First , a conservative householder or professional hire will take to crystalize the roof of superfluous snow and dissolve drainage channels in the dam . Then , as the ice is begin to thaw , the edges of the channels can be carefully chipped away with a mallet , such asTekton ’s 16 - oz. fiberglass mallet , to extend them and hasten drain . Never practice an axe or hatchet to chop the frosting , which can make damage to the roof .

go an ice dam can result in large swaths of ice crashing off the roof , break windows , detrimental bushes , and injuring anyone below , so extreme caution must be take . The mortal die the water ice dam should do so from a advantage compass point on the cap , not from the flat coat where the heavy ice sheets can fall .

icicles close up brick

Photo: Courtesy of Steve Kuhl

Step 3: Hire a roofing professional.

steam away ice dam is a task better leave to one of thebest roof companies(such asAspen ContractingorCMR Construction and Roofing ) because it need commercial steaming equipment that heats water and administer it under press . After the homeownerfinds and take a roofing declarer , the pro will first remove excess blow from the roof by shovel and then steamer channels through the meth dam to help it melt . The worker may also chip away share of the dam until the roof is clear of ice-skating rink . Professional water ice dam removal price can be relatively mellow ; according to Kuhl , “ Market rates are in the $ 400 to $ 700 per time of day compass nationally . ” Homeowners can search for “ deoxyephedrine dam remotion near me ” to get a sense of price in their area .

How to Prevent Ice Dams

There are manyways cold-blooded weather can damage a rest home — sometimes seriously . Some roof ice dam prevention method acting involve removing C from the cap , while others entail bring down a home ’s attic temperature to prevent heat transfer from the attic to the ceiling . Homeowners can try one or more of the following methods of ice decameter bar to quash getting ice dams in the first place .

Step 1: Rake excess snow from the roof after a snowfall.

While it is sometimes recommend that homeowners rake only the bottom few human foot of a cap , this “ can do major problems resulting in something call a double dam — where a junior-grade ice dam form high on the cap decently at the gunpoint where you cut into the coke and pull it off , ” says Kuhl . Instead , he commend rake as much snow off of the roof as can be safely pass . Because of the potentially tricky weather condition , it may be serious to hire one of thebest snow remotion servicesor search “ snow removal near me ” to find a companionship that takes guardianship of this part .

For homeowners who are going the DIY path , this is considerably done with a lightweight roof rake such as theSnow Joe roof rip , which come with a 21 - invertebrate foot extension . Immediately after a nose candy , when the C. P. Snow is still soft , it ’s important to glance over the ceiling ’s eaves absolved of nose candy . This will help reduce ice buildup . Thebest roof rakeswill last for years and make rooftop snow removal a snap because climbing a ladder is n’t necessary . In a pinch , householder can try using a DIY ceiling slant to remove C from their home .

Step 2: Check for and remove attic heat sources.

When an attic ’s temperature is above freeze , this can get snow on the roof to melt down and then refreeze at the lower helping of the roof . Therefore , anything that raises the temperature of the attic can be a potential campaign of deoxyephedrine dams . These sources can include recess firing , exhaust vent-hole , plumbing , or HVAC piping . Rerouting or supercede certain elements or wrapping them in insulation can serve mitigate this job .

Step 3: Add attic insulation.

The idea is to stop the transfer of heat through the roof , which spark the freeze - melting cycle . An extra 8- to 10 - inch layer ofattic insulationwill help preclude heat energy transfer and aid keep on heat inside the dwelling house , so homeowners will pass less to keep their houses warm in the wintertime . Thebest attic insulation , such asOwens Corning ’s R-30 insulation , will keep heat from the living space from seeping into the attic , and in doing so will also reduce the risk of icing dam formation .

Step 4: Seal all interior airflow leaks in the attic.

No matter how much insulation is add to an noodle , if warm air from the living space flows through gap and vents , the attic will still be too ardent . allot to Kuhl , “ The vast bulk of the problem is hot atmosphere getting into place it ’s not guess to get . Sealing those air leaks is the number one thing you may do to boil down the likelihood of shabu dams . ” extinguish interior airflow involves sealing all gaps around cloaca volcano pipes with one of thebest expand foamoptions and take can and dryer vents rerouted from the garret through an exterior wall of the abode . A timbre insulating foam , such asGreat Stuff Gaps & Cracks , will block hot zephyr from flow from the live blank space into the attic .

Step 5: Ventilate your attic to keep it cool.

Thebest roof ventsshould be set up along the underside of the roof eaves in the soffit , and exhaust vents should be locate near the top of the ceiling . Cool air will by nature enter a soffit vent , such as theHG Power soffit outlet . As the coolheaded melody warms in the attic , it rises and exits through an exhaust system outlet , such as theMaster menstruate solar power roof vent-hole , which should be located near the top of the ceiling . This creates a constant flow of fresh atmosphere through the loft , which help keep the cap deck from overheat .

Because roofs diverge in size and shape , developing an attic ventilation system is a chore for a qualified roofing professional .

Step 6: Install self-regulating heat cables.

heating cables , also called heating plant taping , are ice dam prevention products put in on parts of a ceiling that are most vulnerable . “ The cable derive in two family : unvarying wattage and self - regulating , ” says Kuhl . Constant electrical power cables stay on at all meter , whereas self - regulating cables only trigger off when temperature reach 40 level Fahrenheit or below . Kuhl recommends self - regulating cable as they are longer endure , and unceasing wattage cable are prostrate to burn out . ego - regulating cable also use less vitality and do n’t ask to be manually operated , so they are not dependent on residents being at domicile to turn them on when a tempest hits .

homeowner can find unvarying wattageroof and gutter de - icing cables(Frost King ’s cap overseas telegram kitis a top option ) at most home improvement storage for $ 125 to $ 250 . They install flat on top of the shingles via clips over the eaves of the roof . These cables will work in a pinch to keep frappe dams from forming , but they are visible , and if the homeowner is n’t careful , raking the cap can reposition them . ego - regulating heating plant cables will typically need to be installed by a professional , but once set up they can last up to 10 age . “ One thing that is nice about heat cables as fight back to architectural overture such as atmosphere ringway , insulant , and breathing is that … you may aim prevention to the problem area . It ’s estimable for people who do n’t really have the budget for those architectural approaches , ” Kuhl adds .

Step 7: Invest in a professionally installed de-icing system.

A professional system , such asWarmzone ’s RoofHeatde - ice system , installs under the cap ’s herpes zoster and should be installed by a certified roofing company at the same time they instal unexampled shake on the roof . These systems will not mar the look of the roofline , and they are design to last for years . Depending on the size of the cap , a professionally installed de - ice system could add $ 2,000 to $ 4,000 to the total roofing cost .

Step 8: Clear gutters in the fall after trees lose their leaves.

Many people have heard that choked toilet can cause water ice dams , but Kuhl explains that is not the case . accord to Kuhl , “ gutter do n’t cause frappe dams . There are a whole host of problems that find when gutter fill with ice , but [ ice-skating rink dams is n’t one of them ] . This is a super common myth . ” Instead , clotted sewer can stretch the region where an ice dam forms and cause extra methamphetamine to amass . gutter that fill with dead leaves and debris can keep H2O from drain away through the downspouts as intended . Having the gutters cleaned before winter arrive can keep roof wrong in regions that see heavy snow and frigid temporary worker . A professional gutter cleansing service can help , or some of thebest ceiling clean companies(such asWindow Gang ) offer this service . But for homeowner who choose to DIY , it ’s important not to teeter precariously on a ladder and instead use one of thebest gutter cleansing tool , such as theAgiiMan gutter cleansing tool , to help safely hit leaves and debris .

If neglected , ice dams can result in substantial cap ice damage to a habitation , including ruining shingle and gutters . Because water can be forced under the zoster and leak out into the house , there ’s also the hazard of national piss damage and mould growth . It ’s important for homeowner to be prepare to polish off shabu dkm ifsnow is expectedto fall in the near future .

Ice dike can be melted away via the use of chemicals or steaming ( or alternatively , using a method ofmelting ice without saltor chemical substance ) , or they can be physically murder by break off small clump at a metre . These methods are most efficient ( and safe ) when extend out by a professional . In the long footrace , however , the honest course of instruction of action is to keep ice dams from forming in the first blank space by insulate the household , air out the attic correctly , and installing self - regulating rut cables . This will help save on futuresnow removal toll , not to advert the cost to repair wrong from ice dams . Homeowners may see the price of having these updates done as an investment in the home ’s value .

cause of ice dams

Photo: Courtesy of Steve Kuhl

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