Frequently Asked Questions

It differs in the warranties, strength, durability, and reflectivity to name a few. It out performs the competition in almost every category. But it differs more so because it is a custom-made, prefabricated membrane in which the vast majority of seams are heat-welded in a controlled environment. Ask us for the “Duro-Last vs. The Competition sheet”.

Yes. Provided that there is no snow coverage, in many cases Umbrella Roofing Systems, Inc. can install a Duro-Last roof in cold weather. Exceptions might be with frozen rocks on a ballasted rubber roof when temperatures drop.

Umbrella Roofing Systems, Inc. only installs the Duro-Last Roofing System, “The World’s Best Roof”. Duro-last provides fifteen and twenty year manufacturer’s warranties based on material thickness. ALL commercial and industrial roofs that Umbrella Roofing Systems, Inc. installs are covered with a 100% instillation and material defects warranty for fifteen or, twenty years. Duro-Last also covers incidental and consequential damages derived from leaks caused by defects in material or by the workmanship of their contractor for the first fifteen years on their fifteen and twenty year manufacturer’s warranties.

Duro-Last factory fabricates approximately 80-85% of the roof at one of its four manufacturing facilities. Through prefabrication, roof sections up to 2,500 square feet are manufactured inside under controlled conditions. The rooftop can be a harsh environment where heat, cold, wind and moisture will affect the quality of a seam made by a rooftop laborer. Manufacturing under controlled conditions virtually eliminates workmanship concerns.

The Duro-Last commercial 15-year warranty is the most comprehensive warranty available in the roofing industry today. The standard 15-year Duro-Last commercial warranty covers all materials sold by Duro-Last and it covers the workmanship on the installation. The warranty is for repair or replacement of the roof 15 years and does not have exclusions for ponding water or consequential damages. Duro-Last also carries a commercial 20-year prorated warranty for roof projects.

The white Duro-Last Roofing System reflects 86% of the sun's rays, resulting in significant reduction in air conditioning costs. When heating costs are a concern, Duro-Last is mechanically attached, which enables large amounts of insulation to be installed during the installation of the roof. The outcome: reduced heat loss. Duro-Last is also a 'charter partner' of the U.S. Environmental Protection Agency's Energy Star Roof Products Program. The Energy Star Roof Products Program assures customers that their energy dollars are maximized.

The Duro-Last Roofing System is designed to meet or exceed all roofing industry standards - national and local. Because Duro-Last prefabricates its roofing system, the roof will be custom-designed to meet some codes before it arrives at the job site. Call the Duro-Last Engineering Department at 1-800-248-0280 for any specific code or design questions.

During installation, there is little or no disruptions to the building owner. There is no noxious fumes or odors during the installation process. Also, there is little noise during installation. Since Duro-Last is mechanically attached, the usual disruptions associated with roofing are eliminated. If a tear-off is not required, you may not even notice the roof is being installed.

The Duro-Last Roofing System is designed to meet or exceed all roofing industry standards - national and local. Because Duro-Last prefabricates its roofing system, the roof will be custom-designed to meet some codes before it arrives at the job site. Call the Duro-Last Engineering Department at 1-800-248-0280 for any specific code or design questions.

With assistance from the Duro-Last sales, engineering and quality assurance staff, Duro-Last can be part of the roof project from the design phase all the way to the final inspection. With proper scheduling, Duro-Last can assist in evaluating the conditions of existing roofing systems and aid in writing specifications on any roofing project. During the installation process, Duro-Last can also provide assurance that the roof is being installed to specifications. Once any commercial roof project is completed, Duro-Last quality assurance personnel will physically inspect the roof to make sure it meets Duro-Last published specifications. All the services related to a roof project are available to roofing contractors, building owners and architect/engineers.

Duro-Last has been supplying and warranting roofing systems since 1978, making it one of the oldest roofing manufacturers in the industry. Duro-Last has been under the same ownership since 1978, providing stability that is very important when a building owner is investing in a long-term warranty relationship. The current Duro-Last Roofing System has also been available for over 20 years and has successfully performed beyond the life of the published 15-year warranty. In today's roofing market, very few roofing systems have been on the market more than 10 years. It simply makes sense to invest in a roofing system that has been proven successful in its performance and warranty life.

Every new Duro-Last authorized contractor is encouraged to attend a Duro-Last "in-house" training program. Plus, on-the-roof training is conducted by Duro-Last for every new Duro-Last contractor. Additional training is accomplished through the Duro-Last Quality Assurance warranty inspection program. All roofs must be installed to strict specifications. Every commercial roof (any size), that a roofing contractor installs is physically inspected by a Duro-Last quality assurance inspector. The quality assurance inspector ensures that a contractor's workmanship is always at a high level.