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Residential ServicesFlat roofing
Over the past 30 years, duro-last- a single-ply roofing system has become increasingly popular with commercial roofing systems. This product is strong, flexible, long lasting and durable and is loved by many architects, building owners and roofing contractors for its versatile properties.
This kind of roofing membrane is made out of One can be assured about the quality of the membrane and other accessories thermoplastic formulation consisting of PVC resins, plasticizers, stabilizers, biocides, flame retardants and U.V. absorbents
The membrane is flexible and can be prefabricated into large deck sheets and can also be custom made to fit your requirements. This level of flexibility gives room for choice in design, performance and appearance that can suit new construction as well as refurbishment projects. Duro-last roofing also helps buildings become energy efficient by reflecting sun-rays and therefore reducing costs of cooling.
Benefits of Duro-last roofing system
_ Versatile, high performing product
• Wide range of colors
• ‘Cool Roofing’ option to help conserve energy costs
• Superior waterproofing ability
• Durable, long lasting and strong
Built Up Roofing
Built up roof membranes (BUR) have been used by residential and commercial building owners for hundreds of years in the United States. This is a flat roofing system and is used for low slope or flat roof structures. Commonly referred to ‘tar and gravel’ roofs, BUR systems are usually built with alternating layers of bitumen and multiple plies of reinforcing fabrics. Finally, a top-coat or glaze coat of hot asphalt, aggregate (gravel, slag or mineral granules), glass fiber or mineral surfaced cap sheets is mopped over the entire surface. A ‘hybrid’ system is one where the roof is composed of a built up roof membrane with two or three plies as well as a polymer-modified bitumen cap sheet.
Based on the requirements of a building owner, BUR can be modified and specially designed to meet a number of building waterproofing needs. This is perhaps one of the reasons why BUR has become increasingly popular with architects, engineers, building owners and roofing manufacturers and contractors. Even though the initial cost for BUR can be slightly higher than other types of roofing systems, in the long run, BUR has a high value for its price. BUR has been used in buildings since the 1840s and has stood the test of time over the years. Unlike many other systems that need complete replacement after many years of wear and tear, BUR can be maintained and repaired easily for extended life.
Benefits of Built up Roofing
• Has been used by building owners for hundreds of years
• Available as part of a fire, wind, and/or hair rated roofing system
• Different kinds of materials available for the top coat
• Can be modified and designed to meet your requirements
• Cost effective in the long run
• Long lasting
• Easy maintenance and repair
Similar to BUR, Modified Bitumen (MB) is designed for low-slope or flat roof structures. This kind of roofing has evolved from asphalt roofing and is made from asphalt and a number of modifiers and solvents. Pieces of this material can be connected using several ways. As a result, these structures have an increased resistance to brittleness at cold temperatures, greater flow resistance at high temperature and increased elasticity.
One can get different surfacing options for MB roofing systems including factory applied mineral surface, gravel surface, ‘cool roof’ coating. Typically, mineral surfaced MB products are furnished with white granules. However, designer colors are also available that can match asphalt shingles or can complement the design on the building.
Compared to BUR, MB offers designers and installers an even wider range options in terms of colors and designs. It can be applied using the hot mop method similar to BUR or using cold process adhesives. In recent years, the self adhering sheets have gained popularity with contractors. The rolls are manufactured using a special release paper that has a combination of polymers which modifies the underside of the MB sheet. The sheet adheres itself to the substrate as the sheet is rolled out on the surface. This method eliminates the risks associated with use of torches, hot asphalt and is completely free of volatile organic chemical fumes during and after application.
Benefits of MB roofing
• Popular with designers, architects, manufacturers and contractors
• Versatile material
• Increased resistance to brittleness,
• Greater flow resistance
• High elasticity properties
• Wide choice of top surfacing options
• Cost effective
• Long term warranties available