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.
The application of sisalation insulation. Reflective radiant barriers are installed in your roof the same way your plastic underlay is installed. Itâs rolled out over the top of your roof trusses and under your tiles.isalation acts as a water barrier and prevents moisture and even dust from entering your roof. In fact you should rather install a reflective radiant barrier than the usual plastic underlay because you get more benefits with it. Plastic underlay is really just there to prevent water from entering your roof.