Exposure the portion of the shingle that is exposed to the weather.
Metal roofing terms.
Usually measured from the butt of one shingle to the butt of the next overlapping shingles.
Class a b and c fire ratings fire resistance ratings were established for roofing per astm and ul tests.
Coil coating the application of a finish to a coil of metal sheet using a continuous mechanical coating process.
Also referred to as purlins see purlin or purloin.
Rooftop fungus that can leave dark stains on roofing.
Glossary of roofing terms.
Asphalt based primer used to prepare the surface of concrete metal or other materials to enhance the adhesion of asphalt adhesives or asphalt sealant.
Mbma metal building manufacturers association.
Common roofing terms defined explained.
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 a hip dormer.
Each term is accompanied by a brief definition.
Aisi american iron and steel institute.
Batten or purlins can be 1 x2 x4 wood strips nailed to the roof or rafters upon which the roofing is attached.
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.
Lap the overlap of surface of one roofing material to another.
Cmrc cool metal roofing coalition.
Crrc cool roof rating council.
What is flashing used for.
Roof framing involves a lexicon all its own.
Important austin roofing glossary terms.
Terms of use advanced metal roofing contractors metal roofing contractor for nh ma and me.
Mca metal construction association.
Includes illustrations that show roofs have hip rafters ridge boards jack rafters and more.
Who offers metal roofs metal roof installation metal roof repair and more.
Also called non structural systems.
Eave the horizontal edge of a roof that projects over the outside wall.
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.
Here is a closer look at common roofing terms.
In addition use of certain areas of the site is subject to additional conditions or rules applicable to such areas and those conditions or rules.
The following is a list of terms or phrases commonly used in the roofing industry.
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.
Ncca national coil coating association.
A hip dormer is a structure that protrudes from the plane of the roof slope often with the addition of windows.
