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Roof panels

  • 1.  Roof panels

    Posted 08-14-2020 16:17
    In 1961 I designed a home using 2'x8'x2" thick prefabricated roof panels.  They were comprized of a celotex-type fiber material.  They may have been manufactured by Armstrong or Celotex.  They were designed to span 4'.  The interior face was 1/4" thick prefinished plywood.  Initially it had a built-up roof.  This was later replaced with a single-ply roof.  I lived in the home for 42 years with no roof problems.  I am in touch with the current owners and that have not reported a problem.

    In 1967, I designed an office using the same decking which had a prefinished interior surface of a paper linen material.  That roof was covered with asphalt shingles.  Recently, the owners did a re-roof and now have a severe moisture problem.

    I am looking for information about the deck material including the manufacturer.  Also thoughts about the moisture problem.


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    P. Richard Frantz AIA
    P. Richard Frantz, AIA, Architect
    Pottstown PA
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    Open: Call for applications deadline November 6. Learn more and apply to join the PMKC leadership!


  • 2.  RE: Roof panels

    Posted 08-20-2020 01:29
    Dear Mr. Franz,
    Regarding the moisture problem, even with limited information, it seems apparent that the new roof changed the permeability. (You probably already know that much.) What do do about it, I can’t tell from a distance.

    Kurt Neubek, FAIA


    Open: Call for applications deadline November 6. Learn more and apply to join the PMKC leadership!


  • 3.  RE: Roof panels

    Posted 08-20-2020 11:27

    Thanks for your response.  I think you are correct about the cause of the problem.

    Now I am trying to fined out what the original roof deck was made of.

     

    Dick Frantz

     




    Open: Call for applications deadline November 6. Learn more and apply to join the PMKC leadership!