At what temperature does salt stop melting ice?

• <div><p>When temperatures drop far enough, even rock salt can’t melt the ice. The briny solution freezes before it develops, and the salt doesn’t work, which happens around <b>10 to 15 degrees Fahrenheit. Keep in mind that </b>wind chill and other factors impact ice-melting progress. Some ice melters, like magnesium chloride, work at colder temperatures and work better for deep winter freezes.</p></div>

What is the difference between rock salt and ice melt?

• <div><p>Both rock salt and ice melt are naturally occurring salts. Rock salt is sodium chloride, which is the same as table salt. Ice melt products can be made from a combination of salts like magnesium chloride and calcium chloride or can be those salts alone.</p><p>Rock salt comes in large crystals, so it helps provide traction on icy surfaces, whereas ice melt products need to be mixed with sand to provide traction. Ice melt products work at lower temperatures than rock salt, so they might be a better choice if you have a harsh winter climate.</p></div>

How do I thaw frozen gutters?

• <div><p>If you do end up with frozen gutters, it's important to <a href="https://www.angi.com/articles/how-can-i-thaw-frozen-gutter-or-downspout.htm">thaw them correctly</a>. Thawing your gutters slowly is far safer than trying to break apart the ice. Once you get through the ice, bring in a gutter professional to check out the effectiveness of your heated system.</p></div>

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Q: At what temperature does salt stop melting ice?

• <div><p>When temperatures drop far enough, even rock salt can&rsquo;t melt the ice. The briny solution freezes before it develops, and the salt doesn&rsquo;t work, which happens around <b>10 to 15 degrees Fahrenheit. Keep in mind that </b>wind chill and other factors impact ice-melting progress. Some ice melters, like magnesium chloride, work at colder temperatures and work better for deep winter freezes.</p></div>

Q: What's the best way to melt ice without damaging concrete?

• <div><p>Natural ice melts can often get the job done without damaging concrete. You can try non-corrosive options such as kitty litter, alfalfa meal, coffee grounds, sugar beet juice, and heated snow-melting mats. While they may cause some staining, these natural melts are safe for concrete, pets, and the environment.</p></div>

Q: Can I put salt on my roof for ice dams?

• <div><p>It is not advisable to use salt on your roof to prevent or remove ice dams. It&rsquo;s not only mostly ineffective but can also cause serious damage to your roof itself. Salt can rust metal, damage masonry, pit shingles, and cause runoff that&rsquo;s damaging to plants and animals. </p></div>

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Verified Reviews for Roof Ice And Snow Removal pros in Kurtistown, HI

*The Angi rating for Roof Ice And Snow Removal companies in Kurtistown, HI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Roof Ice And Snow Removal needs.

*The HomeAdvisor rating for Roof Ice And Snow Removal companies in Kurtistown, HI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Roof Ice And Snow Removal needs.

Last update on November 14, 2025

Reviewed in September 2024
Tree removal good job did the work in a timely manner. I would recommend Shaka Tree Care to do true removal.
Shaka Tree Care LLC
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Reviewed in February 2024
He was very responsive and showed up on time. He cleaned some gutters and I had him remove some others that were unnecessary. He also cleaned the solar panels. The cost of the job was less than I expected.
Mendez Co
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Reviewed in December 2022
Very pleased with the work performed. Our 17-year old roof looks great after getting cleaned! Highly recommend Roof2Tank to others who need roof cleaning.
Roof 2 Tank
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Reviewed in June 2021
He responded immediately. And he got the job completed so that the leak was gone. And then he removed all the debris from the gutters. He was fast and thorough, and a pleasure to work with. Would not hesitate to hire him again!
Rowland Services
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Reviewed in June 2021
James pointed out the part of my roof was painted by exterior grade paint that is more shiny and slippery than roof grade paint. I was shocked to know that but he did every effort to finish roof wash without stepping on the slippery roof. It took longer than expected and he charged a little more...
HAWAII'S PRESSURE WASHING & PAINTING CO.
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Reviewed in July 2019
Showed up on time and did a great job cleaning my roof. I had not cleaned my roof in over 16 years so the build up of grime was pretty bad. It took him a day and a half but now my roof looks awesome and itâ s ready for paint.
Walther Service's, LLC
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Reviewed in February 2017
Adam arrived within a couple of hours of my initial telephone call. He set about finding the leak. He did a marvelous job of repairing the leak in such a way that stress was removed from the pipe. He was cordial, friendly, happy; and the final cost was well below the initial estimate.
Keith Shigehara Plumbing Inc
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Reviewed in October 2016
He was able to get the spot removed even though I was told they may have a problem with the Resolve carpet cleaner I had previously tried to use myself.
Ed's Cleaning Hawaii
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Roof Ice and Snow Removal questions, answered by experts

When temperatures drop far enough, even rock salt can’t melt the ice. The briny solution freezes before it develops, and the salt doesn’t work, which happens around 10 to 15 degrees Fahrenheit. Keep in mind that wind chill and other factors impact ice-melting progress. Some ice melters, like magnesium chloride, work at colder temperatures and work better for deep winter freezes.

Natural ice melts can often get the job done without damaging concrete. You can try non-corrosive options such as kitty litter, alfalfa meal, coffee grounds, sugar beet juice, and heated snow-melting mats. While they may cause some staining, these natural melts are safe for concrete, pets, and the environment.

Both rock salt and ice melt are naturally occurring salts. Rock salt is sodium chloride, which is the same as table salt. Ice melt products can be made from a combination of salts like magnesium chloride and calcium chloride or can be those salts alone.

Rock salt comes in large crystals, so it helps provide traction on icy surfaces, whereas ice melt products need to be mixed with sand to provide traction. Ice melt products work at lower temperatures than rock salt, so they might be a better choice if you have a harsh winter climate.

It is not advisable to use salt on your roof to prevent or remove ice dams. It’s not only mostly ineffective but can also cause serious damage to your roof itself. Salt can rust metal, damage masonry, pit shingles, and cause runoff that’s damaging to plants and animals.

If you do end up with frozen gutters, it's important to thaw them correctly. Thawing your gutters slowly is far safer than trying to break apart the ice. Once you get through the ice, bring in a gutter professional to check out the effectiveness of your heated system.

The Kurtistown, HI homeowners’ guide to roof ice and snow removal services

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