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.
Designer thread. These are typically made from combining two or more types of thread, like a silk and rayon blend. Choosing the right thread for your project: The type of thread that's right for your project will mostly be decided by your choice of fabric. The thread should match the size and weight (you wouldn't choose a delicate cotton thread to sew a heavy-weight denim), and properties (woven vs. knit).