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Building Energy Code Requirements PowerPoint PPT Presentation


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Building Energy Code Requirements . Presented by: The leader in metal building insulation . Louisiana – ASHRAE 90.1 1999. ASHRAE 90.1 2001 .

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Building Energy Code Requirements

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Building Energy Code Requirements

Presented by:

The leader in metal building insulation


Louisiana – ASHRAE 90.1 1999


ASHRAE 90.1 2001

Commercial Code: ASHRAE/IESNA 90.1-2001, and 2000 IECC for buildings not covered by ASHRAE, mandatory statewide; can use COMcheck to show compliance. ACT 12 does not affect the commercial energy code


ASHRAE 90.1 2004Louisiana

  • Heated (condition buildings)

    • Roofs and Ceilings: U value of .065

    • Walls: U value of .113

  • In “R” value terms it means the following:

    • Roofs and Ceilings: In place R-15.3

    • Walls: In place R-9


Insulation compression and reduction of R-Values

A loss in R-Value occurs when the insulation is compressed between the roof and walls structurals and the exterior metal skin.


Metal Building Roof Requirements Conditioned Building

In order to achieve a U-Value of .065 (in place R-15.3) in the roof the following is required

  • 6” of R-19 metal building fiberglass insulation

  • Thermal Blocks – are required

  • This will achieve an in place R-value of R-15.4


Metal Building Wall Requirements Conditioned Building

In order to achieve a U-Value of .113 (in place R-8.9) in the walls the following is required

  • 4” of R-13 metal building fiberglass insulation

  • Thermal Blocks – not required

  • This assembly will achieve an in-place R-Value of R-8.9


ASHRAE 90.1 2001Louisiana

  • Semi-Heated

    • Roofs and Ceilings: U value of .167

    • Walls: U value of .184

  • In “R” value terms it means the following:

    • Roofs and Ceilings: In place R-6

    • Walls: In place R-5.5


Metal Building Roof Requirements Semi-Heated Building

In order to achieve a U-Value of .184 (in place R-6) in the roof the following is required

  • 3” Thick of R-10 metal building fiberglass insulation

  • Thermal Blocks – are not required

  • This will achieve an in place R-value of R-6.5


Metal Building Wall Requirements Semi-Heated Building

In order to achieve a U-Value of .184 (in place R-5.5) in the walls the following is required

  • 3” of R-10 metal building fiberglass insulation

  • Thermal Blocks – not required

  • This assembly will achieve an in-place R-Value of R-7


Summary

If you have any questions you can consult your local building code official.


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