Laying out the Ba-gua with each qua in it's correct direction creates the concept of a large square with 3 by 3 smaller squares within the larger. These boxes are the 'building blocks' of Feng Shui; forming the road map (the ba-gua).
Thermostat Â® radiant barrier plywood sheathing reflects up to 97% of the sun's radiant heat from a homeâs attic and can help lower attic temperatures and improve energy efficiency.deal for residential and light commercial construction. 1  ThermostatÂ® Radiant Barrier Sheathing (Plywood) ThermostatÂ® radiant barrier plywood sheathing reflects up to 97% of the sun's radiant heat from a homeâs attic and can help lower attic temperatures and improve energy efficiency.
Shares & Saves. Save. Marine plywood is a form of plywood that has been constructed using waterproof adhesives to make it suitable for use in wet environments, including a home-built boat, the sub-floors of a home, the sheathing of a utility shed's walls and of a pier, boat house and other structures.on-U.S. sources of marine plywood may use cedar or other woods for the fascia plies. All plies of wood are at least B grade, having knots, but without knotholes. The panels are glued together with a waterproof structural adhesive. The core may have a gap no larger than 1/8-inch throughout.