Compared to concrete, clay tiles are more colorfast. They are also more durable. An installation of clay roof tiles can be expected to last 100 years. (The average lifespan of concrete roof tiles is about 50 years.) Because they wear so well over time, clay roof tiles add significantly to a homes resale value. According to rempros.com (a remodeling professionals estimating site) clay tile can cost as much as $1097 - $1783 per square (100 square feet) making it twice as much as concrete. Boral, a clay and concrete roof tile maker, offers a smog-eating tile coating that neutralizes harmful nitrogen oxide, converting it to calcium nitrate, which washes off in the rain. The manufacturer claims that in one year, the average roof can remove a quantity of nitrogen oxide equivalent to that produced by driving a car 10,800 miles!
Durable and natural, clay tiles have a long history in roofing and are still highly coveted today. Nothing complements a Spanish-style home better than the classic curve of red clay tiles. Old tile can be harvested and reclaimed for its aesthetic appeal as well as to keep it out of our landfills, reduce the footprint of a roof, and make it more of a green solution. This option however does not typically reduce the cost of a tile roof as the cost to reclaim tile, including the storage and handling of the tile is often immense.
In a July 1 ruling FERC (the Federal Energy Regulatory Commission) cleared the way for Colorados Delta-Montrose Electric Association (DMEA), along with other electric co-ops, to step outside the bounds of a 40-year power supply contract with Tri-State Generation & Transmission Association and tap into local renewable energy supplies. FERC's ruling, which was unanimous, clarifies what had been deemed unclear wording in PURPA (Public Utilities Regulatory Policies Act), as well as Tri-State's regulatory status. The contract DMEA and 43 other electric co-ops had signed with Tristate in 2001 required them to purchase 95 percent of their electricity from Tri-state. In short, FERC ruled that as per PURPA DMEA not only had the right but the obligation to purchase electricity directly from Qualifying Facilities (QFs) over and above the five percent cap it's limited to in its contract with Tri-State. With the ruling, FERC opened the door for DMEA and other Tri-State electric co-op members to tap into cost-competitive renewable energy resources right in their backyards.