RHS Snow Melting System - Roof and Valley Heater - Snow and Ice Melting Mats - Ice Dam Prevention - Color Black - American Made - Melts 2 Inches of Snow per Hour (15' ft. x 13" in.)

It is not cheap. But it did work, really well. We had tons of ice build up on our roof this year (MN winter) and could not keep it clear even with raking etc. So we ended up with ice dams. Also a huge ice pile under the eaves on our back patio. When we first got this pad, I thought it was not working, so I left it on the ground overnight on the huge ice pile, more by accident than anything because I wanted to see if it would flatten out. In the morning, it had Marleen down through like 6 inches of solid ice. Back on the roof it went, no stakes, I just set it on the ice dam. It melted completely down through that in the next 24 hours. So I moved it a bit and it ended up making a huge melt path on the roof, no more issue with the ice dam. I would love to get another one but they are so dang expensive. I'll try moving this one around again next year. It did the job. Bought one for my mother as well, she has a harder time raking the roof and this helped with the ice dams at her place as well. No water in the house. I'm a happy camper.

These mats are much more effective in melting snow than cables. Keep in mind this will required more electricity so make sure you don't overload the ratings for your home

I am using the RHS Snow Melting System I purchased from amazon, which is attached to my roof under the lower edge of my solar panels to start the melting of snow anytime the sun is shining and there is an accumulation of snow on the panels, but only for my southern exposure panels, since only they produce much energy during the winter months. I incorporated this snow melting system with my solar panels, since I can’t stand to have a ZERO solar power day, after having payed good money to have the panels produce power.The heater sections through amazon are available in five and ten foot lengths. My southern panel array requires 20 feet of heater in three segments, which uses one kilowatt of power if run for an hour, but is quickly regenerated when the panels are exposed to the sun. This method of heating the solar panels does not void their warranty, since the panels are attached to the roof and do not physically touch the solar panels.The heat from the RHS Snow Melting System rises under the panels and slowly warms them at the bottom, but I only activate the heater when the sun is breaking through the clouds. This heating works in tandem with the sun, which starts the snow melting process at the top of the panels. The heater is run for 30 minutes to an hour, depending on snow thickness and melting progress, which melts the bottom snow accumulation and removes the snow backup resistance from the accumulation above, which allows the snow to completely slide off much sooner than waiting for the sun to get the melt going at the bottom.I live in Utah and before I started using the heater, it took most of the first day of bright sun to remove about 80 percent of the snow, but that pesky bottom snow just usually hangs on until the second day of sun finally melts it off.I haven’t been able to find a countdown timer that will run during the day, since they are generally designed to come on at sundown and run for a specified time for lighting, so what I do is switch the heater on using the Dewenwls ODT12B Outdoor Light Sensor Timer with its remote control, which is from amazon and then set a manual kitchen timer to remind me to look at the panels and turn off the heater as soon as the snow has melted. There is no set time to power up the heater, so programmable timers are not useful, either. If the sun breaks through at 12 noon, that’s when I activate the heater to work along with the sun’s energy.How you design your heater system for power control has to be what will work for you, so take time to consider the options that fit your needs. A WiFi controlled power switch is another option if you want to have control remotely from work or other locations. A camera setup to view the solar panels where the heater is installed would be good to monitor the melting progress to know when to turn off the heater.If your panels are exposed to a lot of wind, it works well to wedge foam rubber strips in just at the top of the heater segments under the panels to encapsulate the rising heat, which increases the effectiveness of the heater and prevents the wind from blowing the heat away. After the snow season is done, the foam should be removed, since the panels require air flow for cooling in hot weather.

We had terrible ice dams on our roof this year. We used the wrap to warm up the downspout so that water could drain off the roof. Hard to know how sturdy it is after only one season of use but it was definitely helpful when combined with hired roof shovelers

In winter we like to use our outdoor spa, which is fully exposed to the west, the direction of storms, and we sought to minimize snow shoveling of our deck between the door and the spa. We adapted this roof mat for our Gaco-covered (silicone) deck at our 7000-ft altitude home in the Sierra Nevada mountains. (We did not fasten it to the deck; we simply laid in down.) We also have installed Summerstep mats, but bought this product because of its length. Compare the photos of the RHS and Summerstep mats after many hours of snow. Both are rated to melt snow up to two inches per hour. The RHS mat is a little heavier and thicker than the Summersteps, which work pretty well, but the RHS melting performance was outstanding in an all-night and all-day storm that blew in over the last 24 hours. Perhaps the volume of snow was greater on the west side than on the north side, where we installed the RHS mat, but you can see for yourself how much snow accumulated on either side of the RHS mat. I'm very pleased with my purchase.I cannot evaluate the durability of the RHS mat, which was newly installed.

This five foot long ice melting mat works but the power cord is very stiff and still retains the bends from when it was originally folded and packaged. Also the insulation on the power cord has started to separate at the point where the power cord connects to the mat. This is after only a couple of weeks of usage and moving it around a handful of times. I suspect it’s not going to last very long.

My roof valley had a bad ice dam last year and I wanted to make sure it didn't happen this year, so after doing some research, found that this would probably be my best bet. It was super easy to install, I was a little worried about putting screws into my roof, so I bought some roof patch caulk to cover the screw heads. Once I got on the roof and put the firdt screw in, I realized the screws are short enough that they don't touch the sheeting so you don't really need to worry about leaks. I went ahead an put the caulk on just to ease my mind though. We finally got snow, so I plugged it in, and it works great!

Within a week the power cord insulation began to crack and come apart where it connects to the mat. Once it showed up, the installation instructions showed attaching this mat through the roof with screws. If you;re having problems with ice damming, why on earth would you run screws through the roof in that location? Completely ridiculous. This is a poorly designed product. Don't waste your money.