Category : Blogroll – Archive

Preventing Ice Dams on Your Roof

Leaks in the attic? Stains on the ceilings? Damaged roof shingles after a long winter? You may be suffering from ice dams. This article is an explanation of ice dams and possible solutions to prevent them from occurring in the future.

Ice Dams
An ice dam occurs when the temperature at the base of the roof is below freezing, but higher portions of the roof are above freezing. We all know that heat rises, and that makes the apex of a roof the warmest part. Snow on the warmer portion of the roof will melt, flow down and freeze when it reaches the base of the roof, thus starting an ice dam. As more snow melts at the top of the roof, more ice forms at the base of the roof, and the dam increases in size. Eventually, the water stopped by the ice dam will back up and remain stagnant on the roof, or it will gradually seep into the building’s structure.
Varying roof temperatures are primarily caused by heat loss from within a structure. Inadequate insulation, leaky ducts and poor ventilation are all contributing factors to this heat loss.

Solutions to Prevent the Formation of Ice Dams

Uniform roof temperature is the key to preventing the formation of ice dams. However, there are a variety of methods to ensure this unvarying temperature. The following is a list of options on how to prevent the formation of ice dams or minimize damage:

1. Install roof de-icing and snow melting system: A system is installed under roofing materials to provide uniform heat across the roof.
Advantages: fast and effective, maintenance free, roof retains aesthetic beauty
Disadvantages: costly
Note: An affordable, high-quality system may be purchased from Heatizon Systems.

2. Remove the snow from the roof and gutters: A person manually scrapes the snow off the roof before it forms an ice dam.
Advantages: inexpensive, immediate results in emergencies
Disadvantages: temporary fix, dangerous, may damage roof shingles, laborious

3. Increase insulation: More interior insulation prevents heat loss from the interior of a structure from reaching the roof.
Advantages: inexpensive, helpful in preventing ice dam formation
Disadvantages: not 100% effective, laborious

4. Seal leaks: Seal interior leaks to prevent air flow from inside a structure to the roof.
Advantages: inexpensive, helpful in preventing ice dam formation
Disadvantages: not 100% effective, laborious

5. Ventilate attic: A properly ventilated attic helps prevent moisture from building up on the inside surface of the roof.
Advantages: helps keep roof dry, helpful in preventing ice dam formation
Disadvantages: time consuming, laborious, not 100% effective

6. Install rubber-type sheets under roof shingles: These sheets protect against water that may leak through roof shingles.
Advantages: more leak protection, good alternative if better solution not possible
Disadvantages: expensive, does not prevent formation of ice dams

Membrane Roof (EPDM or TPO/PVC) Deicing

Membrane Roofs (EPDM or TPO/PVC) – Heating them, life expectancy and options

EPDM is Ethylene Propylene Diene Monomer. EPDM roofs are singly ply membranes (one ply of roofing material, not multiple laminated layers).  Since the 1960’s EPDM roofs have been used in the United States and is a quite common roofing material for low slope roofs. Simply a rubber material – EPDM is a flexible rubber matrix that is formed from a chemical reaction when Diene is added to the Ethylene and Propylene mix.  EPDM can be reinforced or un reinforced, vulcanized or non-vulcanized (chemical process for converting rubber or related polymers into more durable materials via the addition of sulfur or other curatives or accelerators) – vulcanization on Wikipedia.

Thicknesses range from thirty mils (0.030″) to one hundred mils (0.100″). A common thickness for roofing is forty five mils (0.045″) or sixty mils (0.060″).  EPDM roofs can be adhered with adhesive, mechanically fastened, or floated(loose laid). Adhered EPDM uses water or solvent based adhesives, mechanically fastened EPDM uses fasteners, floated or loose laid is only fastened around the edges and penetrations(typically these roofs are underlayments for rock, pavers etc, something that will hold it down around the perimeter or the entire surface).

When installing multiple EPDM sections, adhesive or tape is used to seal seams.  In terms of longevity, EPDM roofs last anywhere from 12 to 25 years, depending on the mil, type, and attachment method used.

TPO/PVC Membranes are another type that can be installed over our roof deicing elements. These membranes are thermoplastic materials with no chemical crosslinking. These membranes can be repeatedly softened by heating or hardened when cooled. PVC and TPO membranes can be installed by adhering, mechanically attaching, or ballasting.  Seams are heated or chemically welded together. These membranes typically have the same life expectancy as EPDM membranes.

Heatizon ZMesh or Tuff Cable in Invizimelt or Heatsink systems can be installed under EPDM or TPO/PVC roofs easily.  ZMesh or Tuff Cable systems can be adhered to an existing membrane(if there is one) while another is attached on top. If there is a subroof below and no existing membrane and penetrations are not a concern, ZMesh can be nailed or stapled down into non-conductive surfaces, Tuff Cable heatsink or Invizimelt systems can also me nailed down to the subdeck or subroof.  Membranes are then installed on top of these systems creating a long lasting invizible heated roof surface that could extend the life of the EPDM roof allowing drainage since drainage is a large factor in the life expectancy of membrane roofs. See more about our roof deicing solutions here

The image on the right is ZMesh installed under a TPO membrane for deicing and drainage

green radiant heat products leed

Heatizon Contributes to LEED Credits with Green Radiant Products

Going green isn’t the wave of the future….it has become a prime focus of today’s building practices. And at Heatizon Systems, we’ve designed radiant heating products that support green concepts, like sustainability, use of fewer natural resources, and energy-efficiency. So, while you enjoy comfortable, radiant heat and lower home maintenance costs, Heatizon will help you protect the environment.

If designing, building working and living in green buildings is important to you, Heatizon Systems radiant heating products are a perfect solution.

Seven Shades of Green

  1. Heatizon Products use electric energy—a quickly growing and renewable energy resource.
  2. Heatizon Products are 100% energy efficient, and consume less energy than conventional heating systems, so they lower energy demands.
  3. People are more comfortable at a lower ambient air temperature when Heatizon Products are in use. This means you can maintain the same level of comfort with a lower thermostat setting, saving energy and money.
  4. Heatizon uses zone heating, which means you can heat only the rooms you use, and turn it off in the rooms you don’t. Zone heating can produce energy savings of more than 20% compared to heating both occupied and unoccupied areas of your house.
  5. Heatizon Products produce zero emissions at the source—no odor, fumes, smoke, exhaust, or noise.
  6. Heatizon Products have solid state design, so parts don’t wear out. That means they have years of life, and don’t need replacement.
  7. Heatizon Products are made predominately of recyclable materials.


How does Heatizon fit into a LEED Project?

Heatizon Products that can benefit a LEED score are categorized as follows:

  • Low Voltage Electric Floor Warming
  • Low Voltage Electric Space Heating
  • High Voltage Electric Floor Warming
  • High Voltage Electric Space Heating

Snow Melting applications are not considered a “Green” technology but rather for safety, convenience, sustainability of materials for parking, driveway, walkway, and road applications.

Can products be LEED certified?

The intent of the LEED standard is to provide design guidelines and a third-party certification tool for green building. Products cannot be LEED certified; only buildings can be. However, many products can contribute to a project’s overall LEED score.

Can products help a project earn LEED points and credits?

Yes. While points or credits are not awarded specifically for using a particular product, many products offer features that can be factored into a project’s point and credit calculations. Such calculations can be based on qualities that relate to the criteria encompassed by the LEED rating system.

So how does a Heatizon System contribute to a LEED Rating?

There are many factors associated with different applications, they are broken down as follows:

  • New Construction or Major Renovations
  • Existing Buildings
  • Commercial Interiors
  • Core & Shell
  • Schools
  • Retail
  • Healthcare
  • Homes
  • Neighborhood Development

For all Major Applications:

Several Categories are covered. In order to see if a Heatizon System will benefit the energy performance category a simulation will be done for the building energy consumption, this works in correlation with a heat loss calculation, efficiency etc. Green Power is introduced as an option when choosing utility usage, where will the power come from? Are there any choices or contracts to sign for the use of renewable energy such as hydro power or wind power generation.

Healthcare: “Green hospitals seek to reduce use of and exposure to toxic chemicals and provide healthier environments.” – Adele Houghton, Project Manager, Green Guide for Health Care. “By employing green practices, whether incrementally or from the ground up, many hospitals are managing to lower energy bills, reduce waste and achieve healthier indoor air quality.”

“Patients in green hospitals have greater emotional well-being, require less pain medication and other drugs, and have shorter hospital stays” – Rick Fedrizzi, President, CEO & Founding Chair, US Green Building Council. 

It is also dully noted that studies have shown dramatic increases in the health, happiness, and productivity of people who live and work in green buildings. Providing safe and comfortable work places in high stress environments is vital to the health of the employees and patients and increases staff effectiveness and satisfaction, greatly reducing errors contributing to the quality of patient care. – Press Release http://www.gghc.org – The Green Guide for Health Care.

Heatizon radiant products can help earn LEED points in the following categories:

Energy & Atmosphere

  • EA Prerequisite 2 – contribute to acceptable minimum levels of energy efficiency
    • Optimize Energy Performance – EA Credit 1: 1-10pts 

Material Resources

  • Construction Waste Management – Heatizon Products are specifically designed to project specifications to minimize waste
  • Local & Regional Materials – Using Heatizon for Projects within 500 miles of the production facility or regional distributors can contribute to points
    • MR Credit 5.1: 1 Point, MR Credit 5.2: 1 Point

Indoor Environmental Quality

  • Minimum IAQ Performance – Heatizon elements generate low levels of heat without moving air or disturbing airborne particulates.
    • EQ Prerequisite 1
  • Thermal Comfort – zoned, controlled heat requirements
    • EQ Credit 7.1: 1 point
  • Construction IAQ Management Plan – no harmful chemicals or special handling of materials required
    • During Construction – EQ Credit 3.1: 1 point
    • Before Occupancy – EQ Credit 3.2: 1 point

Innovation & Design Process

  • ID Credit 1: 1-4 points

The WHY of ICE DAMS…

Icicles can be cool to look at and even slightly therapeutic to break off your gutters/eaves.  But do you know they are causing damage to your home? Icicles and accompanying ice dams could be causing thousands of dollars of damage to your home. Heatizon has created this infographic to explain “The WHY of Ice Dams.”

Heatizon.com ice dam prevention
Don’t suffer from ice dams anymore!

Check out Heatizon’s Ice Dam solutions.

In 1996 Heatizon Systems was Founded – But What Else Happened?

Heatizon was founded in 1996 and we are celebrating our 20th anniversary this year. As we reflect on the experiences we have had over the past 2 decades, we thought we’d look back at 1996 and see what other events shared our anniversary.

Do you remember any of these?

In The News

  • The Unabomber arrested
  • Dolly the sheep is the first mammal successfully cloned
  • OJ Simpson Trial begins
  • Bill Clinton reelected President of the United States defeating Bob Dole
  • Musician Tupac Shakur shot

Business

  • Apparel company Under Armour founded
  • Networking company Netgear founded
  • Medical information website WebMD launched
  • Steve Jobs returns to Apple, which he helped found years prior

Sports

  • The first season of Major League Soccer (MLS) held
  • Summer Olympics held in Atlanta, GA
  • Dallas Cowboys win Superbowl XXX

Media

  • Cable news channels Al Jazeera and Fox News Channel launched
  • Disney acquired ABC

Film

  • Mission: Impossible and Independence Day released
  • Braveheart wins Best Picture at Academy Awards

A lot more happened in 1996 and much has happened since then, we at Heatizon are grateful for the successes we’ve seen in the last 20 years and look forward to many more!

Distributor Spotlight – Comfort Radiant Heating

Our next distributor spotlight is here! We spent some time with Russell Hacker from Comfort Radiant Heating to talk about Heatizon Products in the Northeast. 

A Heatizon distributor since 2005, Comfort Radiant is headquartered in Clifton Park, NY. For over a decade Comfort Radiant Heating has sold, designed and installed radiant heating systems throughout the Northeast. While Russell primarily serves New York, New Jersey, Connecticut and Massachusetts, Comfort Radiant supplies materials to contractors and homeowners throughout the United States.

“A Full Service Radiant Supplier”

“We are a full service radiant supplier. From original design and layout through installation of floor warming and primary heating systems, surface snow melting and roof deicing systems” says Russell. In addition to the design and install work Comfort Radiant directly performs, they also offer onsite consulting and installation training for contractors working with Heatizon products. Russell also adds “We assist architects in the designing of custom projects to guide them through a project where they may be unfamiliar with the system’s functionality…”

Comfort Radiant has worked on many notable projects over the years. Russell highlighted a few of his favorites for us:

  • ZMesh roof deicing under membrane on the East Greenwich Middle School in Rhode Island

  • Custom designed, hand laid river rock over a Floorizwarm system

  • Tuff Cable floor warming under a marble foyer

  • A Tuff Cable retrofit heated driveway recognized by Forbes.com as “one of the coolest driveways in the U.S.”

Unique and Reliable Products

“Heatizon’s unique low voltage products are unsurpassed in the industry.” Russell says, as he explains that the flexibility of ZMesh and Tuff Cable often make them not only the best option for his clients, but in many cases the only option for unique and challenging applications.

Russell continued “Heatizon follows this up with excellent technical support. If we have a question, they are there to answer it.”

Our distributors are key to our success. Their knowledge and expertise allows customers to have the best experience possible working with our range of electrical radiant heating products. We are grateful for our longstanding relationship with Russell and Comfort Radiant and look forward to seeing what they tackle next.

Distributor Spotlight – Warmquest

As we at Heatizon Systems celebrate our 20th anniversary, we recognize that we would not be where we are now without our wonderful distributors. As part of commemorating this milestone, we would like to feature and highlight each of our distributors over the year.

This month, we sat down with Shawn Wright, Sales Manager at Warmquest, to talk about our oldest and largest distributor.

Located just outside of Salt Lake City, UT, Warmquest began selling, installing and servicing Heatizon products in 1998. In the past 18 years, Warmquest has worked with clients across North America to provide Heatizon products for projects large and small.

Read More

Installing Radiant Heat in the Winter

By now most of North America has had its first cold snap. If this has convinced you to upgrade your home or business with radiant heat, then there are a few things to know first.

1. Heated Floors Can Be Installed Anytime
Heated floors and other indoor systems can be installed in any weather. December bringing you cold tile and cold feet? Add some heated floors and enjoy warm feet all winter long.

2. Heated Driveways and Snow Melting Systems Can Be Installed all Winter Long
If the first snow storm had you slipping and sliding, you can heat your driveway even if winter has arrived. So break out the snow shovel for the last time and get ready to retrofit heating cables!

3. Roof Deicing Systems Might Have to Wait till Spring
If you are still without snow, now is the time to get a roof deicing system installed. NOAA has put together this handy map showing when you can expect snowfall. If you are currently enjoying a blanket of the white stuff, then a Heatizon under roof deicing system will have to wait for a dry spell. The heating element must be installed on a dry surface, also pulling your roof covering and climbing around on a roof in the snow and ice is dangerous.

However, if you are struggling with ice dams or other problems and can’t wait for spring to add radiant heat to your roof, our self regulating GutterMelt cable can be installed in the snow.

While these points give a general idea of what can and can’t be installed in winter weather, it is important to consult the installation manual for more detailed information, including the minimum installation temperature for the product you select.

Ice Dams: Where Do They Come From?

Ice dams have recieved a lot of media coverage in the past year. After a record breaking winter descended on the East Coast, homeowners and businesses were plagued by ice dams, snow loads, and in some cases roof collapse.

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Radiant Heat Experts Continue to Innovate

Radiant heating has been in use for millennia and is constantly evolving. Early evidence indicates that floors heated by channeling smoke from fires through trenches under the stone floor were built in Asia as early as 5,000 BC. More notably, the Greeks and Romans used hypocaust systems to heat buildings with hot air channeled beneath the floor and in the walls.

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