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Restoring Aged EPDM
by Ron Goodman, MBA
All photos courtesy Carlisle SynTec Systems
WHEN REPLACING A ROOF, IT HAS
GENERALLY BEEN GOOD PRACTICE
TO TEAR OFF THE EXISTING
ASSEMBLY AND REPLACE IT WITH
NEW MATERIAL. HOWEVER, THIS IS
BEGINNING TO CHANGE. SIMPLY
GETTING RID OF AN OLDER ROOF MAY
NOT BE THE BEST CHOICE FOR THE
BUILDING OWNER OR THE ENVIRONMENT.
Sustainability is fueling the desire of building
owners to decrease resource consumption and
reduce landﬁll use. The advent of several
forensic diagnostic tools is consistent with the
trend of minimizing waste and extending the
life of existing materials. Now, more than ever,
building owners have multiple options to
consider when roof systems need repairing.
To determine the best option for replacing an
aged roof, the following technologies are useful:
• infrared and nuclear moisture scans;
• moisture meters;
• fastener pull-out equipment;
• insulation density tests; and
• Global Positioning System (GPS) tools.
When these are used in conjunction with
thorough energy analyses and lifecycle costing,
the best replacement approach becomes clear.
With these technologies, building owners can
make informed decisions based on both logic
These testing methods and technologies could
not have come at a better time. Over the past 50
years, ethylene propylene diene monomer
(EPDM) single-ply roofs have considerably
grown in market share. As a result, there are
46 the construction speciﬁer | february 2013
1/17/13 11:09:41 AM