Architectural Support
Specifications & Product Support
Our Technical staff has over 150 combined years of industry experience and can provide assistance in navigating the energy codes, building science support relating to condensation, design criteria, and general technical support. Please contact us with any questions you may have pertaining to our facings. Lamtec is actively involved with ASHRAE, ASTM, FM, IECC, MBMA, MBCEA, and UL.
Lamtec Introduces Filled Cavity Systems for Metal Buildings
Architect's Guide
Interactive | Downloadable PDF
Contractor's Guide
Interactive | Downloadable PDF
Insulation Outlook
Interactive | Downloadable PDF
Energy Code Adoption by State
The information in this document is from the United States Department of Energy website (www.energycodes.gov) and is provided for informational purposes only. While this table is periodically updated from that source, Lamtec does not represent or warrant that the information contained therein is current or may be relied upon for any purpose. Current energy codes requirements should always be verified with the appropriate governmental authority before proceeding.
Filled Cavity Metal Building Wall Insulation Systems
| Single Layer | U-Factor | Source |
|---|---|---|
| R-25 FG with R-0.375 (1/8") Foam Thermal Strips/Tape | 0.059 | ASHRAE 90.1-2016 Appendix A3.2.3 |
| R-30 FG with R-0.75 (1/4") Foam Thermal Strips/Tape | 0.052 | ASHRAE 90.1-2016 Appendix A3.2.3 |
| Double Layer | U-Factor | Source |
|---|---|---|
| R-25 + R-10 FG | 0.047 | ASHRAE 90.1-2016 Appendix A3.2.3 |
| R-25 + R-16 FG | 0.042 | ASHRAE 90.1-2016 Appendix A3.2.3 |
| R-25 + R-10 FG with R-3 Thermal Spacer Block | 0.039 | ASHRAE 90.1-2016 Appendix A3.2.3 |
| R-30 + R16 FG | 0.039 | ASHRAE 90.1-2016 Appendix A3.2.3 |
Filled Cavity / Long Tab Banded Metal Building Roof Insulation Systems
| U-Factor | Test Reports | |
|---|---|---|
| Faced R19 fiberglass and R11 unfaced fiberglass | U - 0.037 | 2010-49 |
| Faced R25 fiberglass and R11 unfaced fiberglass | U - 0.035 | FEA Modeling 6-18-14 |
| Faced R25 fiberglass and R19 unfaced fiberglass | U - 0.029 | 2011-06 |