
Membrane degradation due to exposure to chemicals, oils and UV is a concern with modified bitumen.
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Alligatoring - Cracking of a membrane roof producing a pattern similar to an alligator’s hide. Granule loss accelerats this condition unless the membrane is protected by a roof coating. |
Seam Failure - Open and unadhered seams are often the caused by improper torch application. They must be repaired immediately while the membrane is still in good condition. |
Roof Ponding - Retention of water on a caused by inadequate roof drainage or structural deflection. Water can enter failed seams or punctures and cause leaks. |
Leaks in modified bitumen roofs are difficult to isolate and a seamless roof coating system is a cost effective solution.
The surfacing of the sheets is also a maintenance concern. Modified Bitumen sheets are not as sensitive to ultraviolet light as built up roofs but there is still degradation. Studies have indicated that a reflective coating applied within five years of installation can extend the service life of the membrane by 10 or more years.
Water-borne or solvent-borne roof coatings may be used. However, a solvent-based coating offers greater resistance to ponding water.
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Water Based SystemOur EnergyGuard® Acrylic Elastomeric Coating is a good choice if your smooth built up roof is properly sloped and does not pond water. Use PrimeLock™ Bonding Primer to improve adhesion before topcoating. |
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Solvent Based SystemOur EnergyGuard® Butyl Elastomeric Coating is excellent for smooth built up roofs with minor ponding that cannot be rectified. Larger ponds should be corrected or area drains need to be installed. Use PrimeLock™ Neoprene Primer to reduce asphalt bleed through. |
Add 10 or more years to your built up roof with our modified bitumen roof restoration system. Get a seamless roof without costly tear off and disruption. Stop roof leaks and prevent further degradation.
Your Roof RebornĀ®
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