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.
Sisalation Reflective Foil. Sisalation is a high quality radiant barrier also known as reflective foil insulation. This product is a combination of aluminium foil that has been laminated to kraft paper or cloth that has been woven.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.