SPRAYFOAM Professional - Spring 2015 - (Page 27)
ENERGY CODES AND THE
BENEFITS OF SPF
BY JUSTIN KOSCHER
re we properly modeling the
energy efficiency benefits of
SPF? In some jurisdictions the answer
appears to be, "No!"
Residential buildings have grown
to be complex puzzles of windows,
envelopes, HVAC equipment and more.
Architects and home builders must work
to optimize each of these systems in
order to meet energy code requirements.
In many projects, architects and home
builders are using compliance software
to demonstrate that their designs meet
or exceed energy efficiency requirements. Compliance software can be
used in projects that feature spray polyurethane foam (SPF) insulation. In fact,
the use of such compliance software is
actually required in jurisdictions that
do not have prescriptive compliance
pathways for the use of SPF insulation.
High-performance attic construction
is an area that often relies heavily on
the use of compliance software. SPF
has been used for years to construct
unvented attics, which exemplify the
benefits of high-performance attics
- increased energy efficiency performance of the attic and the home by
bringing what may have been leaky,
under-insulated ductwork into the conditioned space and, as a result, helping
to lower energy bills.
However, in most jurisdictions,
unvented attics must be constructed
as a performance option under the
energy code. Therefore, SPF unvented
attics may be improperly disqualified if
the compliance software inaccurately
models the energy performance of SPF.
This is the case in California, where
the state's Energy Commission is considering including high-performance
attics in the next version of the energy
code. The SPF industry has identified
potential inaccuracies in the compliance software used by California. These
Recognizing these apparent
inaccuracies, the SPF industry has
been hard at work, identifying solutions
that will lead to the continued growth of
SPF across many applications."
inaccuracies were identified by running
various models through the compliance
software. Inconsistencies were identified by comparing the results of the
models with real-world experience.
Recognizing these apparent inaccuracies, the SPF industry has been hard
at work, identifying solutions that will
lead to the continued growth of SPF
across many applications. The Spray
Foam Coalition and SPFA have contacted
the California Energy Commission (CEC)
to express concerns over the issue. The
industry is working with the CEC to
ensure its compliance software provides
accurate information and flexibility to
the architects and home builders.
California, through its building
energy code, has been a leader in home
and building energy efficiency. It is
important that the state serve as a strong
example for other jurisdictions. We will
continue to advise the SPF industry on
progress made regarding the compliance software used in California. o
Justin Koscher is the director at the Center
for the Polyurethanes Industry.
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| SPRAYFOAM PROFESSIONAL 27 AM
Table of Contents for the Digital Edition of SPRAYFOAM Professional - Spring 2015
Executive Director’s Corner
Foam Business News
Industry by Design
Why I Support SPF
Energy Codes and the Benefits of SPF
Behind the Foam
SPF Industry Prepping for Code Changes in Sweden
How to Make Money and Have Fun Doing It
What You Need to Know Before You File in 2015
Tips on Spraying Foam – Are You Doing It Right?
Choosing the Right Strategy for Complex Construction Claims
10 Ways Your Company Can Use Instagram
Ask the Expert
Calendar of Events
Index of Advertisers/ Advertisers.com
SPRAYFOAM Professional - Spring 2015