Condo Media - September 2019 - 50

The Region

MAINE

Vinyl Siding ... Or Not
Here's What you Need to Know
[by Jack Carr, P.E., RS, LEED-AP]

Perhaps you're on the building
committee that's been charged by the
board to recommend a replacement
siding material for your 35-year-old
condo. Or perhaps you're a property
manager whose in-basket is filled with
unit owner complaints about vinyl
clapboard siding problems in the new
condo complex. Whatever the vinyl
façade issue is, the future solutions
may surprise you.
Vinyl siding materials are everywhere. It is probably the most common
façade material in all its forms used on
condominiums across the nation, and
for good reason. It is quick to install,
relatively inexpensive and has an estimated useful life of over 40 years. Most
of its negatives are well understood-
it can crack or break in the winter time
from hail or your grandkids hockey

50

CONDOMEDIA September 2019

pucks, it can make noise when it's windy
or too hot, colors fade or become chalky
over time, and frequent cleaning is
required. However, these may not be
the only issues you may face with the
current vinyl siding problems.
SOLAR ATTACK
This problem can fall in the unintended
consequences category. With the issuance of the new building energy codes
and the drive to reduce our heating
costs and carbon footprint, we are melting our vinyl siding. This is happening
due to the installation of the new low-E,
highly insulated glass windows being
installed in both new buildings and
replacement windows.
The thermal layers and reflective
properties of these high-tech windows
cause sun rays to bounce off and reflect

onto vinyl siding, causing the siding
to buckle, warp or melt. These new
window surfaces act like magnifying
glasses concentrating the solar energy
on a vinyl surface that cannot tolerate
heat over 150 degrees Fahrenheit. This
condition can occur when a window on
the south elevation of the building is
near a right angle corner wall covered
in vinyl siding. It can even occur when a
new commercial building is built across
the street and its new glass wall façade
faces the sun and reflects across the
street to your vinyl sided property.
So what are you to do? This problem
was rare in the past but now solar
damage is occurring with increasing
frequency due to the drive to install
low-E windows. The Vinyl Siding Institute suggests placing awning or shades
over the windows and even changing



Condo Media - September 2019

Table of Contents for the Digital Edition of Condo Media - September 2019

Contents
Condo Media - September 2019 - Intro
Condo Media - September 2019 - Cover1
Condo Media - September 2019 - Cover2
Condo Media - September 2019 - Contents
Condo Media - September 2019 - 2
Condo Media - September 2019 - 3
Condo Media - September 2019 - 4
Condo Media - September 2019 - 5
Condo Media - September 2019 - 6
Condo Media - September 2019 - 7
Condo Media - September 2019 - 8
Condo Media - September 2019 - CT1
Condo Media - September 2019 - CT2
Condo Media - September 2019 - 9
Condo Media - September 2019 - 10
Condo Media - September 2019 - 11
Condo Media - September 2019 - 12
Condo Media - September 2019 - 13
Condo Media - September 2019 - 14
Condo Media - September 2019 - 15
Condo Media - September 2019 - 16
Condo Media - September 2019 - 17
Condo Media - September 2019 - 18
Condo Media - September 2019 - 19
Condo Media - September 2019 - 20
Condo Media - September 2019 - 21
Condo Media - September 2019 - 22
Condo Media - September 2019 - 23
Condo Media - September 2019 - 24
Condo Media - September 2019 - 25
Condo Media - September 2019 - 26
Condo Media - September 2019 - 27
Condo Media - September 2019 - 28
Condo Media - September 2019 - 29
Condo Media - September 2019 - 30
Condo Media - September 2019 - 31
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Condo Media - September 2019 - 33
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Condo Media - September 2019 - 35
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Condo Media - September 2019 - 37
Condo Media - September 2019 - 38
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Condo Media - September 2019 - 40
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Condo Media - September 2019 - 72
Condo Media - September 2019 - Cover3
Condo Media - September 2019 - Cover4
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