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Historic Preservation - Technical Procedures

Spectitle:

Replacing Damaged Or Missing Ceramic Tiles

Procedure code:

0931003R

Source:

Hsr - Departmental Auditorium Bldg/Wash, Dc - Grier, Brown..

Division:

Finishes

Section:

Ceramic Tile

Last Modified:

11/12/2014

Details:

Replacing Damaged Or Missing Ceramic Tiles



REPLACING DAMAGED OR MISSING CERAMIC TILES


PART 1---GENERAL

1.01 SUMMARY

    A.   This procedure includes guidance on replacing individual
         ceramic tiles that have been damaged or are missing.

    B.   See 01100-07-S for general project guidelines to be
         reviewed along with this procedure.  These guidelines
         cover the following sections:

         1.   Safety Precautions

         2.   Historic Structures Precautions

         3.   Submittals

         4.   Quality Assurance

         5.   Delivery, Storage and Handling

         6.   Project/Site Conditions

         7.   Sequencing and Scheduling

         8.   General Protection (Surface and Surrounding)

         These guidelines should be reviewed prior to performing
         this procedure and should be followed, when applicable,
         along with recommendations from the Regional Historic
         Preservation Officer (RHPO).

1.02 REFERENCES

    A.   American National Standards Institute, Inc. (ANSI), www.ansi.org


1.03 QUALITY ASSURANCE

    A.   All new tile should conform to minimum grade standard
         specifications for ceramic tile published by ANSI; use
         most recent version.


PART 2---PRODUCTS

2.01 MANUFACTURERS

    A.   Bostik
         www.bostik-us.rom

    B.   Custom Building Products
          www.custombuildingproducts.com

    C.   Dow Corning Corporation
         www.dowcorning.com 

2.02 MATERIALS

    A.   Non-abrasive cleaner such as "Soft Scrub" (Dow Chemical
         Company), or approved equal.

    B.   Replacement tile to match original in color, finish and
         size.  Existing tile from other areas of the building may
         be used when properly cleaned and evaluated for soundness
         and compatibility.

    C.   Adhesive:  Water resistant ceramic tile mastic(Bostik):

        "Acryl-4000 Multi-Purpose Ceramic Tile Mastic"
         (Custom Building Products), or approved equal.

         1.   Must be compatible with grout.

         2.   Complying with ANSI A108.1, for cement mortars and
              setting of ceramic glazed tile on masonry or
              concrete substrates.

    D.   Grout such as "Hydroment" (Bostik), or approved equal.

         1.   Must be compatible with adhesive.

         2.   Must match original grout in dimension, color and
              texture.

    E.   Clean, potable water

2.03 EQUIPMENT

    A.   Sponges

    B.   Trowel for spreading mastic

    C.   Chisel of appropriate size for removing damaged tile

    D.   Rubber mallet

    E.   Stiff, natural bristle brushes

    F.   Spray bottle


PART 3---EXECUTION

3.01 PREPARATION

    A.   Clean all tile with a non-abrasive cleaner.

    B.   Remove cleaner residue by wiping the tile surface with a
         damp sponge and clean, potable water.

    C.   Select replacement tiles to match cleaned surrounding
         tiles.

3.02 ERECTION, INSTALLATION, APPLICATION

    A.   Carefully remove damaged tiles by hand using a chisel and
         rubber mallet.  Take care not to damage surrounding
         material or substrate.  

    B.   Prepare the substrate following adhesive manufacturer's
         instructions.

    C.   Set new tile even and flush with existing surrounding
         tile.  Follow tile manufacturer's instructions.  Allow to
         set for length of time as recommended by manufacturer.

    D.   Remove any excess adhesive from surrounding tiles using
         a clean, soft cloth.

    E.   Once the tile has set for the recommended length of time,
         apply grout to match existing dimensions, color and
         texture.

    F.   Remove any residual grout from the surface using a clean,
         soft cloth.

                         END OF SECTION
 


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