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REINFORCEMENTS—WATER TABLE, SILLS, BANDING FOR STUCCO & MASONRY

 

water tables

 

Water Tables are designed to shed water away from the structure and usually found at the base of buildings. Our examples give you some ideas of how installation can achieve the desired goal that you have for your different masonry or stucco needs. Whether it is to complement the preventive techniques to fight weathering because of low area water seepage, or provide an attractive decorative trim, water tables are strong and durable to resist weathering in these low areas. Water Tables can be decorative or simply a flat sloped surfaced stone, and are usually designed with the necessary mortar slots or anchor slots in the top and bottom for your ease of installation.

 

door and window surrounds and sills

 

The door and Window Surrounds, and Sills will actually make your windows and doors look larger than they are and give it an inviting classy, elegant appeal as they frame in the window and door. There are many types of profiles to choose from.

 

banding

 

Banding can turn any building into a work of art with the different widths and styles of contrasting colors.

 

Since water tables and banding are usually strategically placed around the entire building, pieces are produced at a repetitive rate making it one of the most cost-effective ways to get the added beauty while serving a purpose of color, contrast, and functionality. There are typically no additional molds and design changes that you would have to incur, thus your costs are kept to a minimum.

 

anchor systems

 

Anchor systems for these cast stone pieces depend greatly on the type of structure that they will be anchoring to, and the type of masonry material that the cast stone will be surrounded by. Because of the unique nature of each type of masonry unit that you will be working with, one should always consult with an engineer that is familiar with cast stone and the type of project you will be working with.

 

water tables, banding, sills, and surround styles

 

The style of the water tables, banding sills, and surrounds depend greatly on the type of masonry material they will be sandwiched between as well as the depth of the material they adjoin to. As you can see by the water table diagrams the uppermost edge and the lower most edge of the water table align with the width of the stucco, brick, brick plus CMU, and natural stone.

 

water table profile

 

The design profile of the water table is to shed the water away from the structure, usually a typical bullnose type of projection, or a sloped flat edging. The water table will be reinforced with at least one, if not two, number three rebar reinforcements depending on size and thickness of the cast stone piece. Water tables are marked and drilled on-site for rear anchoring systems depending on the structure of the building. Water tables are usually manufactured with either upper and lower anchor slots or mortar slots for ease of installation and alignment. Dowel holes are manufactured in the end of the cast stone piece, or on-site drilled as specified on the plans, so that dowels can be mortared into the slots and easily connected to the adjoining piece for ease of alignment. (three-eighths inch mortar joints are suggested.)

 

window sills

 

Window Sills can be a simple flat sloped piece that fills the base of a window on a brick building, or a decorative part of the complete window surround in any masonry application. Typically, you will find that the sills will be anchored to the structure from the backside using a field drilled hole and blind anchor seal (and water proofed), and a dowel pin at the ends to connect to the adjoining cast stone piece, if more than one piece is used. Or, the sills can be connected with a two-way clip anchor that fits into a slot on the side of each cast stone piece, allowing it to be secured into place alone, or to tie into the adjoining cast stone piece, if more than one sill piece.

 

Window sills that have been designed with a drip edge, should consider having at least a one inch minimum drip edge. This will help prevent chipping and cracking when hit especially in colder weather. If the window sill over sits a veneer piece and the sill projects out a way, then there is usually a drip edge designed in the cast stone piece at manufacturing. The sill may also joint up to a stucco structure and is designed with a slim base that does not allow for any drip edge. (three-eighths inch mortar joints are suggested.)

 

banding

 

Banding is designed similar to the water tables. There is usually one to two number three rebar reinforcements manufactured in the cast stone pieces. Dowel holes are cast into the pieces or drilled on site, so that adjoining cast stone banding pieces can be connected easily and kept in alignment during installation. Mortar slots can be designed in the banding depending on where it is designed to be placed around the building. Depending on the width of the banding, the placement (i.e. mid section of the building or at the uppermost portion) and the masonry material it is butting up against, you may find that a drip edge has been designed for the piece. (three–eighths inch mortar joints are suggested.)

 

Remember, an engineer or architect familiar with the characteristics of cast stone must always be consulted.  These are just a few guidelines have been made available to assist in your planning of a cast stone project.

 

REINFORCEMENTS — WATER TABLE, SILLS, BANDING FOR STUCCO & MASONRY (PDF)

 

The information within this and all our bulletins has been provided as a guideline and based upon statistical data and prior uses. We always suggest that you consult with your engineer, architect or contractor for the best design and use of cast stone for your project. Our design team is always available to answer any of your questions. We do not accept any liability from damages resulting from your interpretation of the data contained within.