Hot-rolled shapes used as roof purlins include channels and wide flanges. Both can either bear on top of primary-frame rafters or be framed flush. The top-bearing design is usually more economical, ...

Configurations of these members have originated at the bending press they represent the two basic ways to bend a sheet of metal into ... in in depth can span 25 to 30 ft, and even more, depending on ...

This can significantly reduce the life span of even the highest-quality metal. Even low-maintenance metal roofs require routine inspections and regular cleaning. Minor issues such as debris ...

Cost information in the table below is from RSMeans. Life span information is from the Metal Roofing Alliance, Cedar Shake & Shingle Bureau, the Tile Roofing Industry Alliance, the Asphalt Roofing ...

Your clean roof will improve your home’s appearance, extend its life span, and improve your home’s value. Metal roofing requires very specific cleaning tools. The material is durable, ...

Going solar with a metal roof might be less of a hassle than you think, especially if you have a standing seam metal roof. Leonardo David is a writer and energy consultant who has worked on ...

Anyone who has ever sat on a metal slide in the middle of summer as a kid can agree that the light of the sun makes metal ...

Shingle roofs are more affordable and easier to install. Tile roofs offer superior durability and a longer life span of 75 years or more. Choose a shingle or tile roof based on the local climate ...

Asphalt shingles, wooden shakes and slate tiles are still some of the most common roofing materials. However, when comparing two popular options such as asphalt shingles and metal roofing ...

Metal-organic frameworks (MOFs) are a class of crystalline materials that consist of coordination bonds between transition-metal cations and multidentate organic linkers. The structure of MOFs is ...

2-Year U.S. Treasury Note Continuous Contract $102.801-0.070-0.07% 5-Year U.S. Treasury Note Continuous Contract $106.953-0.180-0.17% 10-Year U.S. Treasury Note Continuous Contract $110.063-0.344 ...