

"Your Proven Roofing Experts!"
Harold Hall Roofing, Inc.
Duro-Last

Duro-Last Is a Single-Ply Membrane
Benefits of the Duro-Last Single Ply
Less sensitive to workmanship than other roof systems.
- Easy to control quality; the majority of workmanship is in seams.
- Integrity of roof is not dependent on bonding of layers.
- No detrimental affects of ponding water.
- Thermoshock not a concern.
- Widest window of installation temperature range.
- Recover of existing acceptable, routine and proven.
- Light weight. Reroof weight load is not a concern.
- Easy to repair. Always heat weldable.
- Prefabrication.
Duro-Last Is A Thermoplastic Blend
Benefits of Thermoplastic PVC Blend
- Remains heat weldable throughout its life.
- Recyclable; environmentally friendly.
- Advanced proven technology. PVC-based thermoplastics are oldest in the industry with over 22 years of experience.
- No checking, crazing or chalking.
- Highly resistant to sunlight.
- Highly resistant to caustic chemicals, petroleum-based products and acids.
- Maintains flexibility.
- Roof system not affected by fungus, bacteria and normal pollutants.
- Prefabrication.
Duro-Last Is A White Reflective Roof
Benefits of White
- Highest Energy Star@ rating.
- Reduces energy cost (even aged roofs).
- Minimizes the affects of ultra violet rays on roof system.
- Environmentally friendly.
Duro-Last Has Strong Polyester Reinforcement
Benefits of Polyester Reinforcement
- Superior puncture resistance; greatly reduces punctures and tears.
- Greatly enhances wind resistance.
- Greatly reduces shrinkage of membrane.
Duro-Last Is A Mechanically Attached Roof System
Benefits of the Duro-Last Mechanically Attached Roof
- Superior wind ratings and actual performance.
- Easy repair and maintenance. Damaged areas are easy to visually locate.
- Building expansion and contraction not a concern.
- No ballast provides lightweight roof with no structural load concern!
- Tear off not always necessary reducing additional cost to customer.
- Toxic glues and adhesives not present at jobsite.
Duro-Last Has Heat Welded Seams
Benefits of Heat Welded Seams
- Roof system is a monolithic covering.
- No toxic glues or adhesives needed.
- Integrity of seam is not compromised by UV, chemicals, ponding water or other outside actors.
- Not dependent on "unlike" products to adhere to each other.
- Seaming process is one step.
Duro-Last Is a Prefabricated Roof System
Benefits of the Prefabricated Duro-Last Roof System
- Dielectric welds are consistently quality welds.
- Reduces field labor and minimizes installation time.
- Greatly reduces call backs.
- Minimizes rooftop judgments by applicators.
- Major portion of workmanship liability assumed by manufacturer.
Duro-Last Has Complete Line of Prefabricated Flashings
Benefits of the Prefabricated Duro-Last Roof System
- Greatly reduces call backs where they usually occur.
- Minimizes roof top judgment by applicator at the most critical location on the roof.
- Virtually eliminates workmanship at the "change of plane."
- Major portion of workmanship liability assumed by manufacturer.
- Fast easy installation.
Sample Work:
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After
