Metal roofing may be made of galvanized steel or it may be made of higher cost aluminum.
Steel roof terminology.
The section has a web in the middle and two flanges.
The terms pitch and slope are simply two different ways of expressing the same measurement.
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Architectural roofing is metal roofing systems that are non weightload bearing and must be installed over solid decking rather than battens or purlins.
The width of the flanges is usually between 1 5 times and 3 times less than the depth of the web.
A non rusting metal sometimes used for metal roofing and flashing.
Usually steel sections in the shape of i.
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It is very important to understand the terminology of any subject you wish to have a working knowledge of.
We have listed specialty words and their definitions below and we have included drawings to illustrate many of the terms.
100 square feet 9 29 m 2 of roof area.
Also may contain nickel or copper.
A building product which supplements a basic solid panel building such as a door window light transmitting panel roof vent cupola soffit wainscot overhang etc.
We demystify the brisbane roofing business with the gutter and roof repairs a z guide to roofing terminology.
The same roof has a 4 12 or 1 3 pitch.
30 lb felt was the standard underlayment for quality metal roofing systems and is still used but has been replaced in many areas by the newer synthetic underlayments it is typically made of a polyester fleece and infused with tar.
A roof s slope is the number of inches it rises for every 12 inches of horizontal run a roof with a 4 in 12 slope rises 4 inches for every 12 inches of horizontal run.
A continuous channel formed into a panel s edge to create a break in the panels.
These letters stand for heating ventilation and air.
Terminology commonly used in the metal building industry.
Glossary of steel terminology.
Metal roofing systems that are non weight bearing and must be installed over a solid surface.
When steel is galvanized it means that it has been coated with zinc to make it more resistant to corrosion the iron in steel will rust if not sealed with a coating.
An alloy of steel that contains a high percentage of chromium.
Basic terms and descriptions.
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Metal roofing terms note.
This prevents the suction effect and the transfer of fluid between materials.
A structure designed and constructed to house farm implements hay grain poultry livestock.
We offer free roof inspections and quotes.
Generally has very good resistance to corrosion.