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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 Product MasterSpec: Section 133419 Metal Building Systems

MasterSpec Specification

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.

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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

Metal Building Insulation Facings and Vapor Retarders