Residential Metal Roofing Specs

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Residential metal roofing specs.

A small scale typically 10 10 ft sample of roofing material is installed on the testing platform. The edges are then sealed with closely spaced fasteners. The metal roofing panels shown in this manual require a mini mum slope of 2 per foot to ensure proper drainage. Whether you re building a new home or want to replace your existing roof there s no better option than steel.

Lesser grade galvanized steels are g 30 and g 60 and should usually be avoided for residential applications. Also for exposed fastener panels wall panels tiles soffit fascia copping. Metal roof panel systems shall have a maximum air infiltration rate of 0 007 cfm ft. G 90 the most common zinc thickness used in residential metal roofing systems means that 0 90 ounces of zinc are coated per square foot of steel surface.

First choose from four different steel panels. These benefits make metal roofing a better long term investment for your home. Compared to asphalt shingles metal roofing has a longer lifespan 15 18 years vs. These systems are assembled in the uppermost part of building structures to provide protection and insulation from external elements such as rain sunlight and heat.

Refer to the rain carrying table in this booklet for the maximum allowable panel length per slope that will provide adequate drainage. However your metal roofing investment will save you time and money in the long term. Metal roofing has a higher initial cost than other roofing materials. Metal roof panel systems shall be tested in accordance with astm e1592 for negative loading.

Astm s roofing standards are instrumental in specifying testing and evaluating the dimensional mechanical and performance requirements of various forms of roofing systems. Metal roofing specifications cad pdf drawings testing bim. For longer slopes and lower roof pitches contact fabral for other suitable profiles. Asphalt shingles contain petroleum are rarely ever recycled and are the largest contributor to landfill waste of any building material.

Capacity for gauge span or loading other than those tested is permitted to be determined by interpolating between test values only. Steel is the 1 recycled material in the world and residential metal roofs are made from a minimum of 30 recycled steel.