Green Buildings


Even more transparent glass!

Did you know that Prelco offers a range of glass that can help earn credits for sustainable building certifications? Our goal is to help construction professionals select the most suitable materials for their LEED, WELL, Living Building Challenge or other certification programs. We offer the following transparent declarations:

  •  Environmental Product Declaration (EPD) :

-Prel-UniT Insulating Glass Units
-Prel-Gard Tempered Glass
-Prel-Lam Laminated Glass

  • Health Product Declaration (HPD) :

-Prel-UniT Insulating Glass Units

Technical Assistance

We help construction professionals select the best glazing for their sustainable building projects. We can help you fill out product and material information sheets. We also provide all the required supporting documents. Contact us for more information.


Thanks to our EPD and HPD declarations, Prel-UniT, Prel-Gard and Prel-Lam glass enable to earn credits in two main LEED v4 certification programs:


  • Building Design + Construction (BD+C)
    New Construction, core and shell, schools, retail, data centers, warehouse and distribution centers, hospitality and healthcare.
  • Interior Design + Construction (ID+C)
    Commercial interiors, retail and hospitality.


Prel-UniT high-performance insulating glass units can have a significant impact on the energy consumption of a building. This glazing helps keep the occupants comfortable by limiting the heat transfer generated by the envelope of a building. Thanks to the wide choice of options available, Prel-UniT glazing combines esthetic and energy efficiency, here are some of them:


  • Double or triple insulating glass units
  • Wide choice of low-e coating
  • Argon gas
  • Ward-edge spacers
  • Oversized glazing minimizing thermal bridging in curtain walls