COMMON ROOF

PROBLEMS

LaFerney Commercial RoofingEPDM

Seam Failure

Common on EPDM roofs

A result of adhesive failure, thermal shock,

installation error, or age.

Seam Failure

Seam Failure

Adhesive Failure

Membrane was not properly adhered.

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.

Ponding Water

This is not the reflective roof you are looking for…

Ponding Water

A severe problem with ponding water.

Tenting

Tenting is a result of thermal shock and loss of

elasticity.

Improper Termination

The edge of the membrane is not properly

terminated for a watertight fit.

Improper Installation

This roof was not installed by an experienced

roofer.

Expert Installation. Quality

Care.

800-633-3119 www.laferney.com