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.
Heat transfer always occurs from a region of higher temperature to one of lower temperature. Radiant barrier (or reflective) insulation is heat/thermal insulation which reflects radiation heat (radiant heat), preventing transfer from one side to another due to a reflective (or low emittance) surface.eat transfer always occurs from a region of higher temperature to one of lower temperature. Radiant barrier (or reflective) insulation is heat/thermal insulation which reflects radiation heat (radiant heat), preventing transfer from one side to another due to a reflective (or low emittance) surface.