PVCu Sustainability

The BFRC Rating for windows and doors is now included in Part L. Besides the existing target U-values for replacement windows, compliance to Part L can be shown using  certain window energy ratings. The standard for replacement windows in an existing  dwelling should be an energy rating of ‘E’ or better. Professional fit, as an absolute  minimum, ‘C’ rated, and the standards for new windows in extensions should be ‘D’ rated  or better. For new build dwellings, the compliance with Part L is proven via a target CO2  Emmission Rate, which needs to be met, without specific BFRC requirements for the  windows. However, the norm across the industry appears to be ‘A’ rated as standard. All of  which we can supply and install.


More stringent regulations and specified requirements has led to triple glazing and  standard double glazed unit manufacturers introducing the use of noble gases such as  Argon, Krypton and Xenon. These dense gases reduce the thermal transmissions and  significantly reduce U values.
 

A Rating (Double Glazing)

In addition, a double glazing option for REHAU  S706 can be offered by using the specification  for the ‘C’ rating and changing the standard  reinforcement to patented Rehau Thermal  Sleeves.
Slim sightlines REHAU Thermal Slleves standard reinforced  Double-glazing with low iron glass, gas filling  recommended  (Argon, Krypton and Low E coatings)  Warm edge spacer bar.