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A team of recent MIT graduates have developed roof tiles that change color based on outside temperature	Arizona: (602) 997-0529 New Mexico: (888) 997-0529 Starkweather@StarkweatherRoof.com Arizona Roofing Contractors Association 2008 CONTRACTOR OF THE YEAR SCF Arizona 2006, 2007 & 2008 BEST OF THE BEST WORKPLACE SAFETY Arizona Business Magazine 1999, 2000, 2008, & 2009 TOP 10 INDUSTRY RANKING Get automatic email updates on roof repairs and maintenance work! Click here to sign up for this free service NEWS & INFORMATION ü Is this the future of cool roofing? ü Vote for Starkweather Roofing for this year’s Ranking Arizona awards ü Starkweather Roofing is an approved vendor with Compliance Depot ü Statistical analysis begins on benefits of cool roof system installed on Scottsdale Insurance Company building ü Starkweather Roofing debuts a new logo ü Starkweather Roofing contributes article to Arizona Apartment News magazine ü Starkweather Roofing named ARCA’s 2008 Roofing Contractor of the Year ü SCF Arizona awards Starkweather Roofing “Best of the Best” for workplace safety ü Starkweather Roofing receives Top 10 ranking in both Arizona Business Magazine and The Phoenix Business Journal ü Business Journal Phoenix's 12 Roofing Contractors includes Starkweather Roofing
The Future of Cool Roofing? by Chris Walker, Vice President of Business Development – Starkweather Roofing, Inc. Scientists at MIT have recently invented a new smart roofing tile called “Thermeleon” (rhymes with “chameleon”), which is thermochromic – in other words, when it is exposed to heat it changes color from black to white, and vice-versa. Thermeleon works by sandwiching common polymers between several flexible plastic layers. When it is cold outside, the polymer solution stays dissolved and the black rear-face shows through to absorb the natural heat. When it heats up outside, the polymer solution condenses to form light-scattering droplets (in other words, it turns white), to reflect the heat. We now know that a white roof reflects up to 80% of the sunlight, keeping the interior of the building beneath the roof much cooler. This can result in a 20% reduction in summer air conditioning costs (see our Cool Roof Case Study). But during the winter months when you would rather your roof capture as much heat as possible from the sun, the black coloring has the reverse effect - these tiles scatter only 30% of incoming solar radiation, thereby helping to keep the building beneath the roof warmer (reducing heating costs). The team at MIT is now working on micro-encapsulating the chemicals to create a commercially-viable paintable or spray-on roof coating. If they can figure out how to produce this roof coating at a favorable price and proves to be durable enough for the extreme summer months in regions like the desert southwest, this could very well be a peek at the future of cool roofing.

Starkweather Roofing, Inc.

28248 North Tatum Boulevard, Suite B-1 PMB 612 | Cave Creek, Arizona 85331

Phone: (602) 997-0529 or Toll-Free (888) 997-0529 | Fax: (602) 395-0369 or Toll-Free (888) 995-0369 | Email: Starkweather@StarkweatherRoof.com

Arizona Commercial License R.O.C. # 120218 | Arizona Residential License R.O.C. # 120219 | New Mexico License # 363970