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Tools Required:
 Hammer to apply felt paper & metal lath.
Wheel Barrow & Hoe or Bucket & Drill Paddle for mixing mortar.
Notched Float to apply scratch coat to metal lath.
Circular Saw with Masonry Blade for cutting stone.
Mason’s Trowel to apply mortar to Tejas Stone.
Grout Bag for grouting joints.
Jointing Tool to finish mortar joints.
Whisk Broom for cleaning joints & stone.
How Much Stone Do You Need?
Just follow these easy steps to determine how much Tejas Textured Stone you will need.
1.
Measure the width and the height of the area to be covered and convert to square footage; width x height = total square footage. 2.
Figure the square feet of any windows, doors and openings and subtract this amount from the first figure. (total square footage – windows, doors and openings). 3.
Determine how many linear feet of corners you’ll need. Measure the linear footage of the outside corner pieces. One linear foot of corners will cover about 1/2 square foot of flat area – ie, 20 linear feet of corners = 10 square feet of flat area. Subtract this flat area amount from the total square footage to determine how much total stone you will need. You should allow an extra 5 -10% more stone for cutting and trimming on both corners and flats. Materials You Will Need
1.
Mortar Components Mix 1 part masonry cement (Type S) with 2 1/4 to 3 parts of masonry sand. 2.
Weather Resistant Barrier Barrier should be equal to U.B.C. Standard No. 32-1 for asphalt saturated rag or U.B.C. Standard No. 17-1 for Kraft waterproof building paper. 3.
Metal Lath Use a minimum 2.5 pound galvanized, diamond mesh, expanded metal lath. Rust inhibitive black metal lath may be used on interior applications. Or, you may use 18 gauge galvanized woven wire mesh. For metal buildings, use a galvanized, rib expanded metal lath (minimum 3.4 pounds 3/8”). Check your local building codes for other accepted lath or mesh. 4.
Fasteners Use galvanized nails, staples, concrete nails or 1/4” type S-12 flat head screws. 5.
Masonry Sealer When required, use a breathable type (non-film forming) sealer. How To Prepare The Surface
Follow these guidelines in preparing different surfaces.
1.
Rigid Backwall, Wallboard, Plywood, Paneling and Wall Sheathing. Use a weather resistant barrier to cover the sheathing, overlapping the joints 4” shingle fashion. Following local building codes, install mesh or lath. Galvanized nails or staples should be placed 6” on center vertically and 16” on center horizontally and driven into the studs at least 1”. Lath should be stopped 1” from the finished edges. 2.
Concrete, Masonry, Stucco, Block That Is Clean and Untreated. No surface preparation is needed. Check new concrete surfaces for form oil. If form oil is present, use muriatic acid to etch the surface then rinse thoroughly and score the surface with a wire brush. 3.
Concrete, Masonry, Stucco, Brick That Is Dirty, Sealed or Painted. Return surface to original condition by sandblasting or waterblasting (wash area to remove sandblast dust) or attach lath with concrete nails or masonry anchors. Use a bonding agent. Step-By-Step Installation Instructions
 A 15 lb. building felt is installed. Metal lath is installed. Mortar ingredients are mixed.  A mortar coat is applied. The mortar is raked. Mortar is applied to the entire back of the stone. Corner stones are applied first. Flat stones are applied. Stones are trimmed to fit. The joints are grouted. The joints are struck. The joints are brushed. Tips For Installing Tejas Textured Stone Over Masonry and Brick
For best results always use a bonding agent when installing Tejas Textured Stone directly over concrete, masonry, stucco, brick and block. |
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