common roof problems - epdm edition
TRANSCRIPT
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COMMON ROOF
PROBLEMS
LaFerney Commercial RoofingEPDM
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Seam Failure
Common on EPDM roofs
A result of adhesive failure, thermal shock,
installation error, or age.
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Seam Failure
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Seam Failure
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Adhesive Failure
Membrane was not properly adhered.
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Ponding Water
Ponding water is defined by the NRCA as
water remaining on the roof for longer than 48
hours after a rain.
Ponding can be the result of improper drainage,
slope design, or simply a dip from the weight of
equipment.
Ponding water varies in severity.
Ponding water can void a manufacturer warranty.
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Ponding Water
This is not the reflective roof you are looking for…
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Ponding Water
A severe problem with ponding water.
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Tenting
Tenting is a result of thermal shock and loss of
elasticity.
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Improper Termination
The edge of the membrane is not properly
terminated for a watertight fit.
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Improper Installation
This roof was not installed by an experienced
roofer.
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Expert Installation. Quality
Care.
800-633-3119 www.laferney.com