masonry walls because it creates a strong structure and requires minimal cutting. Plastic spacers can assist with keeping the grout lines even. Work your way up the wall, row by row, brick by brick, until you have completed the installation.
GROUTING AND SEALING
THIN BRICKS Allow the thin brick to dry for 24 to 48 hours before you begin to apply grout between joints. If you prefer thick grout lines, use a trow- el to scoop grout into the lines. For smaller grout lines, use a grout float to fill the lines. Both methods leave excess grout on top of the bricks, which can be removed with a damp sponge. Once the grout has dried overnight, you can seal
the brick and grout to keep the porous materials from soaking up spills and staining. There are three general meth- ods of applying sealers to thin brick surfaces. The first (and most common) method is using a roller brush and paint roller tray; second is with a paint brush and bucket; and third is with a professional sprayer. Homeowners and do-it- yourself enthusiasts have the option of selecting two types of sealers—penetrating and film- forming. Penetrating sealers soak into the brick, leaving most of the surface texture and original color- ing intact. Film-forming sealers, such as acrylic or polyurethane, create a slick, shiny coating over the top of the brick, making the brick appear darker in color. It is