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Products : Thin Veneer Installation Systems : TVIS Set : TVIS™ Standard Thin Veneer Mortar Mix

TVIS™ Standard Thin Veneer Mortar Mix

A pre-blended polymer-modified mortar for use with thin veneer, manufactured stone, large tile and natural stone.

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Features/Benefits

Key Features

  • Good bond strength and working time
  • Bonds to cement and other masonry surfaces
  • Mix with TVIS SBR Masonry Mortar Admix for added strength, flexibility and water resistance

Benefits

  • Designed for thin brick, thin veneers and for large dimensional stone and tile to 12" x 12" (30 x 30 cm)
  • Meets ANSI A118.4 without the need for additives; Meets ANSI A118.11 with the addition of TVIS™ SBR Masonry Mortar Admix

Technical/Installation

Applicable Standards

TVIS™ Standard Thin Veneer Mortar Mix is compliant with the following:

  • American National Standards Institute (ANSI) ANSI A108.5, A118.4, A118.11.
  • ASTM C91 Standard Specification for Masonry Cement
  • ASTM C144 Standard Specification for Aggregate for Masonry Mortar, as a component of the manufactured mortar
  • ASTM C150 Standard Specification for Portland Cement, as a component of the manufactured mortar
  • ASTM C207 Standard Specification for Hydrated Lime for Masonry purposes, as a component of the manufactured mortar
  • ASTM C270 Standard Specification for Mortar with Masonry Units
  • ASTM C1072 Standard Test Method for Measurement of Masonry Flexural Strength.
  • ASTM C109 Standard Test Method for Compressive Strength of Hydraulic Cement Mortars. Tile Council of North America (TCNA) TCNA Handbook for Ceramic Tile Installation

Conformance to Building Codes

Installation must comply with the requirements of all applicable local, state and federal code jurisdictions.

Composition of Product

Proprietary blend of Portland cement, inorganic aggregates, copolymers and chemicals.

Environmental Consideration

Custom® Building Products is committed to environmental responsibility in both products produced and in manufacturing practices. Use of this product can contribute to LEED® certification.

Accessories

TVIS™ SBR Masonry Mortar Admix is an additive available for use with TVIS™ Standard Thin Veneer Mortar Mix to improve bond strength and increase tensile and compressive strength.

Suitable Substrates

When mixed with water, TVIS™ Standard Thin Veneer Mortar Mix can be used with the following:

  • Interior and exterior thin veneer installations
  • Concrete, mortar beds, masonry
  • WonderBoard®, cement backerboards

When mixed with TVIS™ SBR Masonry Mortar Admix, TVIS™ Standard Thin Veneer Mortar Mix can be used with:

  • Exterior Grade Plywood (interior residential and light commercial dry areas)
  • TVIS™ Waterproofing Membrane, waterproofing membranes

General Surface Prep

Surfaces must be structurally sound, clean, dry and free from grease, oil, dirt, curing compounds, sealers, adhesives and other contaminants that would prevent a good bond. Glossy or painted surfaces must be sanded, stripped and cleaned of waxes, dirt and other contaminants. Ambient temperature, surfaces and materials should be 50° - 100° F (10° - 38° C) for 72 hours.

Movement Joint Placement

Expansion joints, control joints and cold joints should never be bridged with setting material. They must be brought through the finished masonry work and filled with an approved elastomeric sealant.

Health Precautions

This product contains Portland cement and free silica. Avoid eye contact or prolonged contact with skin. Wash thoroughly after handling. If eye contact occurs, flush with water for 15 minutes and consult a physician. Do not breathe dust; wear a NIOSH approved respirator

Limitations to the Product

  • Do not bond directly to metal, fiberglass, plastic or OSB panels.
  • When setting moisture sensitive natural stone, cement or agglomerate tile, check with Technical Services; use EBM-Lite™ Epoxy Bonding Mortar.
  • Do not use to install resin-backed stone, use EBM-Lite™ Epoxy Bonding Mortar.
  • When setting dimensional stone larger than 12" x 12" (30 x 30 cm) contact Technical Services for recommendations regarding deflection requirements.

Bonding to Lightweight Cement and Gypsum Surfaces

Lightweight or gypsum based underlayments must first be treated with TVIS™ Veneer Waterproofing Membrane and must obtain a minimum 2000 psi (13.8 MPa)compressive strength at the recommended cure time. The underlayment must be sufficiently dry and properly cured to the manufacturers' specifications for permanent, non-moisture permeable coverings. Surfaces must be structurally sound and subject to deflection not to exceed the current ANSI standards. All lightweight concrete and gypsum based underlayment surfaces to receive Veneer Waterproofing Membrane must be primed with properly applied sealer or a primer coat of Veneer Waterproofing Membrane, consisting of 1 part Veneer Waterproofing Membrane diluted with 4 parts clean, cool water. Mix in a clean bucket at low speed to obtain a lump free solution. The primer can be brushed, rolled or sprayed to achieve an even coat. Apply the primer coat to the floor at a rate of 300 ft2 / gal (7.5 M2 / L). Drying time depends on site conditions, but is normally less than 1 hour. Extremely porous surfaces may require 2 coats. At this point, Veneer Waterproofing Membrane can be applied to the primed lightweight or gypsum based surface. Refer to the individual technical data sheet or packaging directions for application instructions.

Bonding to Plywood Surfaces

Plywood substrates must be structurally sound and must meet all local building codes and ANSI deflection requirements. For questions and proper substrate installations, contact Technical Services.

Mixing Ratios

Thoroughly mix 6 quarts (5.68 L) clean, cool water and 50 lbs (22.68 kg) bag of mortar together to a smooth, paste-like consistency. For added bond strength and flexibility mix 6 quarts (5.68 L) of TVIS™ SBR Masonry Mortar Admix and 50 lbs (22.68 kg) powder together.

Mixing Procedures

Mix by hand or use a low 150 - 200 rpm speed 1/2" (13 mm) drill to achieve a smooth, paste-like consistency. Let the mixture slake or stand 5 - 10 minutes; stir again and use. Stir occasionally, but do not add more water. When properly mixed, troweled ridges will stand without slump.

Application of Product

USE CHEMICAL-RESISTANT GLOVES, such as nitrile, when handling product.

Use properly-sized notch trowel to ensure proper coverage behind the thin brick, thin veneer or manufactured stone. Using flat side of trowel, apply skim coat of mortar to the surface. With the notched side of the trowel held at a 45° angle, apply additional mortar to the surface, combing in one direction. Press the thin brick or thin veneer firmly into place in a perpendicular motion across the ridges, moving back and forth. Perpendicular pressing flattens ridges and closes valleys allowing maximum coverage. Back-buttering is advised. Adjust masonry promptly and beat in with beating block and rubber mallet. Mortar can be applied up to 1/4" (6 mm) thick after beat in. For thicker applications, use Custom® TVIS™ Premium Thin Veneer Bonding Mortar. Periodically pull up thin veneer or manufactured stone and check the back to ensure complete coverage with the mortar. Do not spread more material than can be covered in 15 minutes or while material has wet tack (sticky to the touch). If material has skinned over (not sticky), recomb with notch trowel. If too dry, remove and replace with fresh material. Material in bucket will remain workable in excess of 4 hours.

Curing of Product

Allow to cure 24 hours before filling joints with Custom® TVIS™ Premium Veneer Pointing Mortar, depending upon temperature and humidity.

Cleaning of equipment

Clean with water before the material dries.

Storage

Store in a cool dry area.

Product Maintenance

Properly installed product requires no special maintenance.

Ordering Information

Packaging

50 lbs (22.68 kg) bag

Warranty Information

Product Warranty

Eligibility for Installation Systems Warranty

This product may be eligible for a Custom® Building Products Installation Systems Warranty of up to 10 years, provided our products are used as a complete installation system. Custom® Building Products warrants to the original consumer purchaser that its product shall be free from defects in material and workmanship under normal and proper usage for a period of one year following the date of original purchase. Custom's® sole liability under this warranty shall be limited to the replacement of the product. Some states, countries or territories do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you. This warranty will not extend to any product which has been modified in any way or which has not been used in accordance with Custom's® printed instructions. Custom® makes no other warranties either expressed or implied. This warranty gives you specific legal rights, and you may have other rights that vary from state to state or from one country/territory to another. For details and complete warranty information, contact Custom® Building Products or visit customTVIS.com.

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Coverage Chart

SQUARE FOOT COVERAGE PER 50 LB BAG (SQUARE METER PER 22.68 KG)

Trowel Size Min Coverage Max Coverage
1/4" x 1/4" x 1/4" (6 x 6 x 6 mm) Square-Notch 80 sq. ft. (7.4 M²) 90 sq. ft. (8.4 M²)
1/2" x 1/2" x 1/2" (13 x 13 x 13 mm) Square-Notch 43 sq. ft. (4 M²) 48 sq. ft. (4.5 M²)

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