9N85 Brown Tweed, Closure Size

9N85 Brown Tweed, Closure Size

9N85 Brown Tweed, Closure Size

1S79 New Used, Standard Size

1S79 New Used, Standard Size

1S79 New Used, Standard Size

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1S39 Oxford, Standard Size

1S39 Oxford, Standard Size

9S60 Standford, Closure Size

9S60 Standford, Closure Size

9S60 Standford, Closure Size

9N82 Soulard Tudor, Closure Size

9N82 Soulard Tudor, Closure Size

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Shelter From The Storm

Impact Test on Vinyl Siding"In like a lion, out like a lamb."  This old saying describes our spring weather very well.  Building with brick can help lessen the severe spring weather's impacts.

A new study shows that homes built with brick offer dramatically more protection from wind-blown debris than homes built with vinyl or fiber-cement siding. 

The study, conducted at the Wind Science and Engineering Research Center at Texas Tech University, demonstrated that a  medium-sized wind-blown object, such as a 7.5-foot long 2 x 4, would penetrate homes built with vinyl or fiber-cement siding at a speed of 25 miles per hour (mph). By comparison, the same object would need to travel at a speed exceeding 80 mph in order to penetrate the wall of a brick home.

In a test that simulated wind-blown debris traveling at a speed of 34 mph, the 2 x 4 bounced off the brick veneer with no damage to the interior wall. When the same test was conducted on a vinyl or fiber-cement sided wall, the 2 x 4 easily penetrated the wall, with more than five feet of the timber passing through the interior wall. The test was representative of weather that would generate wind speeds of between 100 and 140 mph. "This research demonstrates that buildings and homes built with brick provide a huge advantage over those built with lightweight sidings," said Richard Jennison, president and CEO of the Brick Industry Association. Not all walls are built the same and they don't perform the same. Brick provides safety for building occupants and security for property.

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The study, which was sponsored by the Brick Industry Association, consisted of a series of tests that simulated the potential damage that could result from wind-blown debris by propelling a nine-pound 2 x 4 at samples of typical residential wall construction. This size 2 x 4 is representative of typical wood framing used in home construction and could be expected to become airborne in high winds.  The Wind Science and Engineering Research Center, which conducted the study, was established after a devastating tornado in Lubbock, Texas, and is recognized as the premier location for impact testing of wind-blown debris. Dr. Richard M. Bennett, P. E., of the University of Tennessee Department of Civil and Environmental Engineering, was the principal investigator.  The tests found that homes made with brick exceed the 34 mph impact resistance requirement for high velocity hurricane zones in the Florida building code. Brick also exceeds Florida's impact resistance requirements for essential facilities in hurricane areas. 

The impact test procedures in the study are used to rate wall, door and window protection assemblies for damage in high wind situations. The tests used four feet wide by four feet tall wall segments constructed in accordance with the International Residential Code provisions for high wind areas. Each wall was made up of 1/2 inch gypsum board, 2 x 4 wood studs at 16 inches on center with fiberglass insulation between, 1/2 inch Oriented Strand Board (OSB) sheathing, and brick veneer or siding attached with the appropriate ties or nails. 

The tests were the second phase of a two-year study conducted by the brick industry on the impact resistance of typical residential wall construction to wind-blown debris. The first part of the study, which was completed last December, included a review of building codes and standards.

Reprinted from:  News From The Brick Industry Association