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Codes & Standards

PIMA 2016 Reroofing Permit Checklist

For use by building department, The Commercial Reroofing Permit Expedited Checklist helps with the building permitting, plan review and inspection processes on reroofing projects. Since many building departments lack separate permit applications for roof recover and roof replacement, the checklist can be used as part of a building permit application for these projects.  

If you have any questions about how the checklist can help streamline the permit process for reroofing, contact PIMA. The checklist can be downloaded here. 


PIMA, IMT, and CEIR Release 2015 I-Codes Design Guide

The Polyisocyanurate Insulation Manufacturers Association (PIMA), the Institute for Market Transformation, and the Center for Environmental Innovation in Roofing have released the Roof and Wall Thermal Design Guide: Applying the Prescriptive Insulation Standards of the 2015 I-Codes 

To View the Full Press Release, Click Here

To View the 2015 I-Codes Design Guide, Click Here


United States Model Building Codes

Building codes provide safeguards to life and protect public welfare by regulating design and construction practices, particularly in terms of construction material standards. When regulating materials, many of the model building codes require adherence to quality standards developed by standard-setting organizations such as the ASTM International, the National Fire Protection Association (NFPA), the American Society for Heating Refrigeration and Air Conditioning Engineers (ASHRAE) and Underwriters' Laboratories of Canada (ULC). Some building codes and/or insurance rating organizations also rely on test information from Factory Mutual Research (FM), Underwriters Laboratories Inc. (UL) and Underwriters' Laboratories of Canada (ULC).

Polyiso manufacturers create products that meet or exceed all model building codes, including: 

  • International Building Code (IBC)

  • International Residential Code (IRC)

Through continuous product improvements and years of rigorous testing, Polyiso offers the most extensive range of code-approved products for insulation used in roof systems. It remains the only foam plastic insulation product for direct application to steel deck to earn FM Approval for Class 1 Roof Systems. Polyiso is also classified by UL for use in roof systems with direct-to-steel-deck applications of foam plastic insulation under both single-ply and asphalt-based roof coverings.

For more information on Polyiso's fire safety, please refer to PIMA's technical bulletins:


State Building Code Status Link

For information on the status of codes in a given state, please visit the Building Codes Assistance Project website or click here.

Additionally, the Responsible Energy Codes Alliance is a broad coalition of energy efficiency professionals, regional organizations, product and equipment manufacturers, trade associations, and environmental organizations that promote the adoption and implementation of improved building energy codes and, in particular, the most recent version of the International Energy Conservation Code nationwide. For more information, visit:

United States Energy Codes and Standards

Energy codes and standards set minimum energy efficiency requirements for the design and construction of new and renovated buildings that impact energy use and emissions for the life of the building. Building energy codes set a baseline for energy efficiency in new construction by establishing minimum energy efficiency requirements. Improving an energy code generates consistent and long term savings. The Department of Energy has developed a fact sheet on the importance of energy codes, which can be found here – Top Ten Reasons for Energy Codes.


You should be familiar with the following codes pertaining to wall and roof R-values for homes and buildings:


This standard represents the minimum required prescriptive R-value (resistance to heat flow) for roof and wall insulation levels of all buildings, except low-rise residential. The R-value requirements for this standard were recently increased by 33 percent for Climate Zones 2 through 8. The above-deck roof insulation requirements for those climate zones goes from R-15 to R-20.For more information, visit


Introduced by the International Code Council (ICC), the IECC is being adopted rapidly by state and local code jurisdictions across the United States. The code incorporates the ASHRAE 90.1-2010 standard, offering both prescriptive and performance-based approaches. IECC contains minimum energy efficiency provisions for residential and commercial buildings and also features building envelope requirements for thermal performance and air leakage. The intent of the IECC is to effectively conserve energy, minimize increases in construction costs, eliminate preferential treatment for particular industries or types of materials and allow for the use of new materials, products or methods of construction. For more information, visit the ICC website here.


Sustainability Codes

With the increased focus on sustainability, it should be no surprise that sustainable building design and construction methods are finding their way into the model code arena. Several organizations have developed rating systems, codes and standards to address sustainable building practices from the use of recycled content, energy-efficient design, and cradle-to-grave Life-Cycle Analyses (LCAs). ASHRAE, ICC and the USGBC are a few of the stakeholders helping to set the bar.


The ICC recently published the 2012 International Green Construction Code (IgCC) for non-residential construction. The IgCC includes provisions for building materials, components, and assemblies and provides code officials with a way to adopt sustainable building practices into local code.

ASHRAE STANDARD 189 (Proposed)

The proposed ASHRAE Standard 189: Standard for the Design of High-Performance Green Buildings Except Low-Rise Residential Buildings (February 2008), provides minimum requirements for the design of sustainable buildings to balance environmental responsibility, resource efficiency, occupant comfort and well-being, and community sensitivity. ASHRAE Standard 189 uses the U.S. Green Building Council's LEED Green Building Rating System as a key resource offering a baseline that will drive green building into mainstream building practices.For more information, visit

Building Codes in Canada

Under Canada's constitution, provinces and territories regulate design and construction of new houses and buildings, and the maintenance and operation of fire safety systems in existing buildings. While the model national building, fire and plumbing codes are prepared centrally under the direction of the Canadian Commission on Building and Fire Codes, adoption and enforcement of the codes are the responsibility of the provincial and territorial authorities having jurisdiction.

Consult the applicable code in your location.

Useful links:


more Industry Events

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ASTM Committee Week (C-16)

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ICC Group B Public Comment Hearing

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ICC Annual Conference

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