Asphalt shingles • Economical • eye-catching colors • easy to maintain • suitable for steep-sloped roofs • Lifespan of 20 to nearly 50 years
Wood shake shingles • These are usually crafted from pine, cedar or redwood. • The average lifespan is between 8 and 25 years. http://www.gobigbearrealestate.com/blog
Wood shake shingles • treated with chemicals to become fire-retardant • treated with preservatives to prevent mildew and rot http://www.gobigbearrealestate.com/blog
Slate shingles • Naturally occurring materials • non-leaching • non-absorbent • variegated in color • life span - 60 to 100 years
Modified Bitumin • Modified Bitumen is asphalt that has had modifiers added to it to give it plastic or rubber-like properties.
Modified Bitumin • Improved quality assurance • Improved physical properties • Greater versatility in substrate configuration http://www.edcmag.com/keywords/3451-self-adhering-modified-bitumen
Ethylene Propylene Diene Monomer(EPDM) • high-performance synthetic rubber compound that provides outstanding weathering characteristics • Life expectancy of about 20 years. Image: http://www.epdmroofs.org/what-is-epdm/River_Bluff_Image_1-001.jpg
EPDM Advantage • Can be applied to almost any scale project in commercial flat roofing either over an existing roof or as the primary roof. • Proven resistance to hail, wind resistance in excess of 120MPH and great heat/fire ratings. • Old EPDM roofs requiring replacement can often be coated to give the roof a little more life Image: http://www.epdmroofs.org/what-is-epdm/River_Bluff_Image_1-001.jpg
Flat roofs • Flat roofs, constructed from roll asphalt or synthetic rubber materials, excels in the area of waterproofing. http://ronferrisandson.wordpress.com/2012/04/24/roof-drain-installation-great-option-for-flat-roofs-by-ron-ferris-son/
Flat roofs • Multiple layers are designed to keep water out of your home. • Lifespan is 10 to 30 years. http://ronferrisandson.wordpress.com/2012/04/24/roof-drain-installation-great-option-for-flat-roofs-by-ron-ferris-son/
Tapered insulation systems • Tapered roof insulation systems is to reduce or eliminate the amount of ponding/standing water on the membrane when the existing roof deck does not provide adequate slope.