Replacing Loose, Broken Or Missing Individual Quarry Tiles
- Procedure code:
- HSR - ICC Building/Wash, DC - Grier Brown Renfrow Architects
- Quarry Tile
- Last Modified:
REPLACING LOOSE, BROKEN OR MISSING INDIVIDUAL QUARRY TILES
A. This procedure includes guidance on replacing individual
quarry tiles that are loose, broken or 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
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).
A. American Society for Testing and Materials (ASTM),
A. American Olean Tile
B. ProSoCo, Inc.
C. Southern Grouts and Mortars
A. Replacement quarry tile matching historic tile in color, size, and other characteristics: 6" x 9" x 1/2" (American Olean Tile, Boston Valley Tile, Ludowici), or approved equal.
B. Solvent cleaner such as "Sure Klean Asphalt and Tar
Remover" (ProSoCo, Inc.)
C. Dry-set mortar: Medium-textured portland cement-based
(Southern Grouts and Mortars, Inc.)
D. Portland cement: ASTM C150, Type I, grey
E. Sand (color to match existing mortar) should conform to
the following size gradations:
Sieve No. Percentage
No. 4 0
No. 8 0
No. 16 5-15
No. 30 40-60
No. 50 75-85
No. 100 95-99
G. Clean, potable water
B. Stiff bristle brush
C. 1/4" x 1/4" grooved trowel
D. Putty knife
E. Joint tools
NOTE: PROPORTIONS SHOULD BE MEASURED BY VOLUME.
A. Mortar Mix: Comply with ASTM C 270.
1. 1 part portland cement
2. 3 parts sand
3. 2 parts gravel
4. enough water to form a thick, workable mix
B. Grout Mix:
1. 1 part dry-set mortar
2. enough water to form a thick, workable mix
3.01 ERECTION, INSTALLATION, APPLICATION
A. Mix grout and mortar for 3-5 minutes using a mechanical
batcher (see mixes in Section 2.04 above).
NOTE: MIX ONLY ENOUGH MORTAR OR GROUT TO BE USED WITHIN
2 HOURS OF FINAL MIXING. DO NOT RETEMPER OR USE
PARTIALLY HARDENED MATERIALS.
B. Remove damaged tiles using a chisel. Take care not to
damaged adjacent tiles.
C. Using a putty knife, scrape off old adhesive from floor.
D. Remove loose dirt from area using a stiff bristle brush.
E. Trowel on a layer of mortar.
F. Set tile and gently press into place. Wipe excess mortar
immediately from the surface.
G. Allow the mortar to cure for 16-24 hours.
H. When the tile is firmly set, press grout into the joints,
filling them flush with the surface. Tool so that joints
are slightly concave.
I. Wipe excess grout immediately from the surface.
J. Keep masonry damp for a minimum of 48 hours or until
mortar is fully cured.
END OF SECTION