Photomicrograph of a volcanic lithic fragment (sand grain); upper picture is plane-polarized light, bottom picture is cross-polarized light, scale box at left-center is 0.25 millimeter. Volcanic rocks are usually fine-grained or aphanitic to glass in texture. They often contain clasts of other rocks and phenocrysts.
I paid almost $13,000 to have Duration Premium shingles installed on my central Florida home in late 2007. I went with Owens Corning Duration Premium shingles because of their premium quality, their lifetime warranty and their high wind resistance. Within 3 months of the installation, I started having leaks.
Pricing Asphalt Shingles. The average cost to install an asphalt shingle roof is anywhere between $1,700 and $8,400 depending on the slope, pitch and size of your roof. The material cost factors into that price, and as such shingle prices vary depending on your location and the specific product.ricing Asphalt Shingles. The average cost to install an asphalt shingle roof is anywhere between $1,700 and $8,400 depending on the slope, pitch and size of your roof. The material cost factors into that price, and as such shingle prices vary depending on your location and the specific product.