Overall cost to widen driveway. A proper driveway extension will have to be installed just like the original driveway, so even if you're just adding a few feet to each side, you may incur some considerable costs with excavating the area, setting up the driveway base and then installing the extension.
Definitions for vitrified. glassy, vitreous, vitrified(adj) (of ceramics) having the surface made shiny and nonporous by fusing a vitreous solution to it. glazed pottery; glassy porcelain; hard vitreous china used for plumbing fixtures. vitrified(Adjective)
Definition: Perlite is a form of volcanic glass that is mined all over the world. Horticultural perlite is made by exposing perlite to heat, which causes the trace water contained in the perlite to expand, popping the perlite like popcorn. The result is a very lightweight, white stone-like substance.