Metal Roofing Terms

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Metal roofing terms.

Also referred to as purlins see purlin or purloin. The following is a list of terms or phrases commonly used in the roofing industry. Cmrc cool metal roofing coalition. Includes illustrations that show roofs have hip rafters ridge boards jack rafters and more.

Coil coating the application of a finish to a coil of metal sheet using a continuous mechanical coating process. Roof framing involves a lexicon all its own. Batten or purlins can be 1 x2 x4 wood strips nailed to the roof or rafters upon which the roofing is attached. Usually measured from the butt of one shingle to the butt of the next overlapping shingles.

When repairing or replacing a roof it pays to be familiar with these terms. Aisi american iron and steel institute. Terms of use advanced metal roofing contractors metal roofing contractor for nh ma and me. Also called non structural systems.

Crrc cool roof rating council. Rooftop fungus that can leave dark stains on roofing. Ncca national coil coating association. To search the glossary for a specific word or phrase hit the ctrl and f buttons on your keyboard simultaneously and enter the keyword you wish to search for.

Important austin roofing glossary terms. Exposure the portion of the shingle that is exposed to the weather. Here is a closer look at common roofing terms. Each term is accompanied by a brief definition.

What is a hip dormer. Class a b and c fire ratings fire resistance ratings were established for roofing per astm and ul tests. Lap the overlap of surface of one roofing material to another. Access to the metal roofing alliance mra web site site is provided to you subject to the following terms and conditions which may be updated by mra from time to time terms and conditions.

Glossary of roofing terms. Mbma metal building manufacturers association. Common roofing terms defined explained. A hip dormer is a structure that protrudes from the plane of the roof slope often with the addition of windows.

Asphalt based primer used to prepare the surface of concrete metal or other materials to enhance the adhesion of asphalt adhesives or asphalt sealant. A drip edge is a strip of material typically metal installed along the roof edges so water won t drip onto the eaves siding or deck. In some instances they are also steel lengths measuring about an inch or so wide that have an elevated middle where one screws the metal roofing into. Architectural roofing is metal roofing systems that are non weightload bearing and must be installed over solid decking rather than battens or purlins.

What is flashing used for. Mca metal construction association.