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Re: Strip Vents

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IIRC we've had this discussion several times. A typical residential roof is unblocked, the shear goes to zero at the ridge, ridge blocking is not required although strapping is often installed over the ridge to re-establish the continuity of the rafters (also the only function I can figure out for collar ties). YMMV
Chuck Utzman, P.E.

jvhannah wrote:
Would you give some more detail of what you found on Cor-A-Vent's website that answered your questions about diaphragm blocking. I found lots of details about ridge vents, etc. but little hard info about diaphragms and blocking. Thanks in advance. Jim H

    ----- Original Message -----
    *From:* Mark Pemberton <mailto:markpemberton(--nospam--at)>
    *To:* SEAOC <mailto:seaint(--nospam--at)>
    *Sent:* Friday, October 20, 2006 12:48 PM
    *Subject:* Strip Vents

    Found the info on Cor-A-Vent's website.

    *Mark Pemberton, S.E.*

    Pemberton Engineering
    502 Mace Blvd., Suite 2B
    Davis, CA 95616

    Ph:  (530) 792-0511
    Fax: (530) 792-7109

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