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  2. FAQ'S for foundry flats unglazed thin brick

common questions about foundry flats thin bricks

what size are foundry flats?

nominal sizes - modified standard is 2-1/2"x8"x1/2",  90˚corner piece has a return of 3-5/8" 

how much variation should i expect with foundry flats?

due to the manufacturing process, Foundry Flats is subject to size variation. Thickness can vary as follows - 1/2" thickness for wire-cut flats and 5/8" thickness for smooth-formed flats. 

where can I use foundry flats?

kitchen, backsplash, bathroom, fireplace exteriors, floors and exteriors

can I use foundry flats in the shower?

yes, specific waterproofing precautions need to taken such as using a waterproof membrane under the tile and use of a penetrating sealer like miracle 511 porous plus.

can I use foundry flats in the pool?


are there special installation guidelines? 

installation methods should conform to the brick industry association (BIA). brick from several different cartons should be mixed to achieve the best overall blend of color. other systems are available and the manufacturer's recommendations should be followed. For additional information refer to BIA: http://www.gobrick.com/portals/25/docs/technical%20notes/tn28c.pdf

what color grout should I use?

At clé, we suggest using Mapei Flexcolor CQ, which is intended for unglazed tiles, in the shades "timberwolf", "bamboo", "brick red" and "charcoal". by simply interchanging any of these grout shades with any of the foundry flat colors- you can produce a myriad of color combinations and surfaces.

how do I clean foundry flats?

when cleaning foundry flats, keep in mind that different colors will require different cleaning methods. additionally, if an installation contains more than one type or color, a contractor should be consulted on how to clean foundry flats without damaging the installation.

brick texture may also affect cleaning efforts. stains and smears are usually easier to remove from brick with a smooth texture, whereas a textured brick could prove to be more difficult. Please refer to clé’s variation reference guide for information regarding texture : https://cletile.zendesk.com/hc/en-us/articles/360000890128

the following are general recommendations for cleaning:

foundry flats in the colors burn, carbon, tarnish, ferrous, braze, factory, petrol, sediment, tungsten and volcanic should be cleaned by hand with water, appropriate cleaning agents and a scrubbing brush. these colors can also be cleaned with pressure washers.

foundry flats in the colors, cast iron, sand cast, sinter, alloy flux and sawdust should only be cleaned by hand with water and a scrubbing brush while using light pressure.

mild soaps should be sufficient for most cleaning. test any cleaners before general use.