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Historic Preservation - Technical Procedures

Spectitle:

Repairing And Replacing A Damaged Window Screen

Procedure code:

0866001R

Source:

Hspg Prepared For Nps - Sero

Division:

Doors And Windows

Section:

Security Windows And Screens

Last Modified:

02/24/2012

Details:

Repairing And Replacing A Damaged Window Screen



REPAIRING AND REPLACING A DAMAGED WINDOW SCREEN


PART 1---GENERAL

1.01 SUMMARY

    A.   This procedure includes guidance on patching a hole in a
         window screen, and removing and replacing the screen, if
         necessary.

    B.   Screens are window accessories that are available in many
         forms.  They can be mounted inside or out, be made of
         wire or fiberglass mesh with frames of wood, metal, or a
         combination of both.  Screens can be magnetic, removable,
         or fixed.  

    C.   The Regional Historic Preservation Officer (RHPO) should
         make the decision as to the appropriateness of screens
         and the type required.

1.02 DEFINITIONS

    A.   Window screens are constructed similarly to window sashes
         with stiles, rails, and screen as infill, except for
         roll-screens which are rarely used today.

1.03 MAINTENANCE

    A.   Remove rust and dirt with soft wire brush.  Vacuum
         residue with round brush attachment.  Apply a thinned
         coat of screen enamel, paint, or varnish with a brush or
         clean carpet scrap.  Do both sides.


PART 2---PRODUCTS

2.01 MATERIALS

    A.   Scrap screening to match existing (for patching)

    B.   Wire

    C.   Replacement screening

    D.   Wood filler

    E.   Brads

    F.   Waterproof glue

    G.   Screen enamel, paint or varnish

2.02 EQUIPMENT

    A.   Carpenter's tools

    B.   Putty knife or wide chisel

    C.   Two 2x4's and C-clamps for bowing frame

    D.   Utility knife


PART 3---EXECUTION

3.01 ERECTION, INSTALLATION, APPLICATION

    A.   To repair holes within the mesh fabric:

         1.   For a small hole, fill with waterproof glue.

         2.   For a larger hole, weave or darn scraps of screen
              or wire over hole.

              -OR-

              Patch the hole with a piece of scrap screening:

              a.   Cut patch from scrap screening larger than
                   hole.

              b.   Cover the hole with the screening.

              c.   Bend free ends of wire on patch.  Push through
                   mesh around hole and bend ends back to hold.

    D.   To replace entire screen (in wood frame):

         1.   Remove screen from window and place on a flat
              surface.  Lift out molding with a putty knife or
              wide chisel working outward from the center.

         2.   Cut screen slightly larger than opening and staple
              or tack to one short end of frame.

         3.   Bow frame by inserting 2x4's under both ends and
              clamping center with C-clamps.  Pull screen taut
              and attach to opposite end of frame.

         4.   Fasten remaining sides one at a time working from
              center to ends.  Fasten center rail last.

         5.   Trim excess screening with utility knife and
              reattach molding.  Countersink brad heads, fill
              holes, repaint entire frame.

                             END OF SECTION