Manny Oyola, Jr., Technical Manager Eastern Region FL, Eagle Roofing Products
The first official reference of instructions for hip and ridge attachment that I can recall was in the FRSA-TRI Concrete and Clay Roof Tile Installation Manual First Edition. As I look through all the manuals in my collection, it becomes apparent that the Fourth Edition, dated August 2005, was the first manual to bring forward the revised instructions for hip and ridge attachment. The foreword added from this manual is as follows:
These recommendations were developed after surveying the recent hurricanes and with input from the code, roofing and tile manufacturing community. They are designed to further clarify the current installation procedures as they pertain to the specific roof tile systems (mechanically fastened, adhesive-set or mortar-set). The following recommendations provide for only products approved by the FBC (Florida Building Code), tested according to SSTD-11 and verified by third-party independent FBC approved laboratories, to determine the wind uplift limitations of the various hip and ridge attachment methods or by installation methods currently recognized in the HVHZ (High Velocity Hurricane Zone) section of the FBC. A joint subcommittee consisting of members from FRSA (Florida Roofing, Sheet Metal and Air Conditioning Contractors Association, Inc) and the TRI (Tile Roofing Institute) drafted these recommendations and they were approved by consensus by the FRSA Roof Tile Committee. Read more.