Typical costs: Costs for complete installation of an encapsulation system start around $2,000-$4,000, average $5,000-$7,000 and can go as high as $8,000-$14,000 or more, depending on the size and condition of the crawlspace, local rates, and the materials used.
The Rc thread is a designation for BSPT (British Standard Pipe Taper). refers to the threaded end of a fitting or pipe which is 1/4 inch trade size (not actually 0.25 inches), and having British Standard Tapered Pipe threads.
BSPT Thread Ring Gages Thread Check Inc. offers a complete line of British Standard Pipe Taper Thread Gages from 1/16 to 6.0â. BSâ21 specifies requirements of pipe threads for joints made pressure tight by mating of threads and are taper external, taper internal, and parallel internal.