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.
Reflective Foil Insulation. The terms reflective insulation, foil insulation, and radiant barrier are often used interchangeably. While insulation such as cellulose or fiberglass insulation slows down heat transfer, only a radiant barrier such as EcoFoil reflective insulation stops radiant heat gain / loss.iberglass and cellulose insulation slow down radiant heat, but only a reflective insulation such as EcoFoil reflective insulation stops up to 96% of radiant heat.