MASONRY Q & A :: What is the masonry standard or preferred for a brick veneer bearing on a steel lintel? 4" or 8" bearing?
Lintel bearing for veneer is covered in TMS 402 Chapter 12. Specifically 220.127.116.11.2 states "not less than 4 inches". Your architect/engineer should size it for you. Keep in mind that if it is anchored to the backup you must install and expansion joint at one end minimum. If the opening is very wide you may need an exp jt at both ends. I hope this helps. If not, call me. Thanks for allowing your MAF/MCAA to help.
Jerry Painter, FASTM
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Masonry Testing Protocols
HAPPY NEW YEAR!!! I hope everyone had a great 2017. I am believing that it will be a better than ever year for the masonry industry in 2018. As I began to think about starting a new year, I looked at it similar to starting a new building project. As you review the specifications for the materials you will submit for approval you see the section on quality assurance. If it is a small project you will probably take care of it with paper work in your submittal. But if the project is a large project, it will probably include onsite testing. Serious thought and planning should be put into the testing procedures to be used. Chapter 3 of the TMS 402 Code says that “Masonry design requirements in this Code are valid when the quality of the masonry construction meets or exceeds that described in the Specification.” The designer will set up the QA (Quality Assurance) Program based on one of three requirement levels. The program will also describe the procedure for reporting and review as well as resolution of non-compliance. The QA Program will also state the qualifications of the testing laboratory and inspection provider. You will notice the last three sentences had mandatory language, such as “will” in them. This is not optional. If this is not provided, you should...
Why does masonry perform so much better than other light frame products during high-wind events, such as hurricanes and tornadoes?
By Don Beers, PE
Your family deserves a safer, longer-lasting home that saves you money! The energy eﬃciency of concrete masonry is one of the reasons it has remained
the predominate building material in Florida for the past 70 years. Thermal Mass is
the secret behind its energy saving attributes.
Review the MAF Tech Note: http://bit.ly/2ngtFrI
Contact Don Beers, PE for more information. firstname.lastname@example.org or
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