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Historic Preservation - Technical Procedures

Spectitle:

Reattaching Loose Or Fallen Tin Ceiling Panels

Procedure code:

0954501R

Source:

Ohj - November/December 1987

Division:

Finishes

Section:

Special Ceiling Surfaces

Last Modified:

02/24/2012

Details:

Reattaching Loose Or Fallen Tin Ceiling Panels



REATTACHING LOOSE OR FALLEN TIN CEILING PANELS


PART 1---GENERAL

1.01 SUMMARY

    A.   This procedure includes guidance on resecuring tin
         ceiling panels that have worked loose or have fallen.

    B.   Metal ceiling panels are typically 2'-0" x 8'-0" and are
         nailed to wood furring strips which are, in turn, nailed
         to the ceiling joists of an existing ceiling.


PART 2---PRODUCTS

2.01 MANUFACTURERS

    NOTE: The following manufactuers listed below are potential
    sources for replacement panels, where existing panels can not
    be reattached.

    A.   W.F. Norman Corporation
         P.O. Box 323
         Nevada, MO 64772
         800/641-4038

    B.   Classic Ceilings
         902 E. Commonwealth Ave.
         Fullerton, CA 92631
         800/992-8700

    C.   Entol Industries, Inc.
         8180 NW 36th Ave.
         Miami, FL 33147
         800/368-6555

2.02 MATERIALS

    A.   1" long flat head nails as required

    B.   3" long flat head nails or 2-1/2" drywall screws as
         required

    C.   Wood shims as required

    D.   Glazing compound or latex caulk

2.03 EQUIPMENT

    A.   Hammer and/or screwgun

    B.   Heavy gloves and protective gear

    C.   Scaffolding/working platforms

    D.   Ladders


PART 3---EXECUTION

3.01 EXAMINATION

    NOTE:  BEFORE RESECURING ANY CEILING PANELS OR FURRING STRIPS,
    IT MAY BE USEFUL TO UNDERSTAND HOW A METAL CEILING IS
    ASSEMBLED.

    A.   Tin ceiling panels are typically 2'-0" x 8'-0" and are
         attached to an existing ceiling by nailing the panels to
         1"x2" furring strips.

    B.   1"x2" furring strips are typically attached to an
         existing ceiling using 3" flat head nails or 2-1/2"
         drywall screws.  

         NOTE:  FURRING STRIPS MAY BE SHIMMED AT VARIOUS LOCATIONS
         TO ENSURE THAT THE CEILING WILL BE AS LEVEL AS POSSIBLE.

         1.   Furring strips are first nailed perpendicular to
              the ceiling joists and spaced 24" on center.  

         2.   Additional 1"x2" furring strips are then installed
              parallel with the ceiling joists (and perpendicular
              to the furring strips installed in #1 above) and
              spaced 8'-0" on center to provide nailers where the
              ceiling panels overlap.  These secondary furring
              strips are typically 22" long (if 2" furring is
              used).

         3.   Finally, intermediate furring strips are nailed
              perpendicular to the ceiling joists (as in #1
              above) to make the overall spacing of furring
              strips in this direction 12" on center.  These
              intermediate strips are typically 94" long (if 2"
              furring is used).

         4.   2'-0" x 8'-0" ceiling panels are then nailed to the
              furring strips in an overlapping position using 1"
              flat head nails.

3.02 ERECTION, INSTALLATION, APPLICATION

    A.   Check for loose or missing nails used to attach the
         ceiling panels to the furring strips.  
         1.   Hammer nails securely back in place as required.

         2.   Replace missing nails with 1" flat head nails.
              Nail at beads/buttons along furring strips as
              required to resecure the panel.

    B.   For panels that have fallen:  Check to see that the
         furring strips are level and secure; check to see that
         wood shims are still securely in place.

         1.   Shim behind the furring strips as needed before
              nailing to level it with the rest of the strips.  

              a.   Use a good straightedge to align the strips.

              b.   Use the claw of a hammer to pull high strips
                   down into the same plane as the lower strips.

              c.   Install shims between the furring and the
                   ceiling as required.  

         2.   When the strip is in line, drive all nails home
              using 3" flat head nails.

         3.   Reattach tin panel to furring strips as described
              above in Section A.

              a.   Drive the nails to one side of the bead.  

              b.   To line up the next sheet, overlap the beads
                   with the previous sheet (the way a ball and
                   socket fit).  Nail directly through the beads
                   on the overlapping sheet.  

    C.   For gaps where edges of panels overlap:

         1.   Hold the flat head of a 3" nail against the edge of
              the metal and gently tap the tip of the nail with a
              hammer.  

         2.   Fill any remaining gaps with glazing compound or
              latex caulk.

                             END OF SECTION