Sika | SKU: 646039

SikaTile 450 LHT Secure Set Modified Mortar

$16²⁹ ~~$912⁰⁰~~

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Quantity

50 Lb. Bag Pallet with 48 bags of 50 LB.

Color: Gray

SikaTile 450 LHT Secure Set Modified Mortar Pallet - Sika

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SikaTile 450 LHT Secure Set Modified Mortar 50 lb Bag Pallet - Gray

SikaTile-450 LHT Secure Set is a premium grade, single-component, non-sag, non-slip polymer-modified mortar for interior and exterior setting of large and heavy tile and natural stone.

Features

It may be applied from at 3/32" to 3/4" (2.4 mm to 19 mm) thickness
Innovative Dustless Technology producing approximately 80% less dust than ordinary thin sets
Designed to promote cleaner working conditions and reduce mess
It uses less water and is creamier and easy to spread
Non-sag/non-slip for vertical applications
Non-slumping/Non-shrinking formula eliminates tile lippage
Flowable properties reduce the need for back-buttering
Mold and mildew resistant
Longer working time
For most residential and commercial floor and wall applications

Suitable Substrates

Ceramic Tile and Stone
Cement Backer Board
Cement Mortar Beds (cured)
Cement Plaster
Cement Terrazzo
Concrete
Exterior Grade Plywood (interior use only)
Concrete Masonry
Lightweight Gypsum Concrete (interior use only)
SikaLevel Products

ENVIRONMENTAL INFORMATION

Sika® is committed to environmental responsibility in both products produced and in manufacturing practices. Use of this product can contribute towards LEED® v4.1 certification:

Up to 2 points towards MR Credit 5, Regional Materials
Up to 1 point towards IEQ Credit 4.1, Low-Emitting Materials – Adhesives & Sealants

APPROVALS / STANDARDS

American National Standards Institute (ANSI) — ANSI A108.5, A118.4E and A118.11 of the American National Standards for the Installation of Ceramic Tile ASTM International (ASTM)

ASTM C109 Standard Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2” or 50 mm Cube Specimens)
Resilient Floor Covering Institute - (RFCI) Recommended Work Practices for Removal of Resilient Floor Coverings
Tile Council of North America (TCNA) - TCNA Handbook for Ceramic Tile Installation, TCNA EJ171 Movement Joint Guidelines.
ISO 13007-2 C2EP1

Product Information

Chemical Base

Portland cement, selected aggregates, water retention additives, re-dispersible polymer

Shelf Life

15 months from date of production when stored in original, sealed package

Storage Conditions

Store in undamaged, original, sealed package, in dry conditions at 73⁰ F (23⁰ C)

Slant Shear Strength

4 Week Shear Bond Strength

Property	Test Method	Requirement	Typical Results
Glazed Wall Tile	A118.4 Section 5.1.5	> 300 psi	450 - 550
Porcelain Tile	A118.4 Section 5.2.4	> 200 psi	500 - 575
Quarry Tile to Plywood	A118.11 Section 4.1.2	> 150 psi	175 - 225

ISO 13007 Classification

Classification Code	Classification Requirement	Results
C2 (cementitious, improved adhesion)	≥ 145 psi (1 MPa) after standard aging. Heat aging, water immersion and freeze/thaw cycles	Pass
E (extended open time)	≥ 72.5 psi (0.5 MPa) after 30 minutes	Pass
P1 (normal adhesion to plywood)	≥ 72.5 psi (0.5 MPa)	Pass

Mixing Ratio

Walls	Floors
4 quarts (3.7 liters) of clean potable water per 50 lb. bag	5 quarts (4.75 liters) of clean potable water per 50 lb. bag

Substrate Temperature

40–95 °F (4–35 °C)

Pot Life

60-90 Minutes

Open Time

> 30 minutes (Passes A118.4 E - Section 5.3)

Cure Time

Allow 24 - 48 hours before grouting and light traffic, and 7 days before heavy or vehicular traffic

MIXING

WALLS: For non-sag and slip resistance: In a clean container, add approximately 4 quarts (3.7 liters) of clean potable water, then add the contents of the 50 lb. (22.68 kg) SikaTile®-450 LHT Secure Set Mortar. Mix thoroughly by hand or with a slow speed mixer to a smooth, thick, trowelable consistency.

FLOORS: For use on floors or as a thin set: In a clean container, add approximately of clean potable water, then add the contents of the 50 lb. (22.68 kg) SikaTile®-450 LHT Secure Set Mortar. Mix thoroughly by hand or with a slow speed mixer to a smooth, thick, trowelable consistency. Mortar consistency shall be such that when applied with the recommended notched trowel to the substrate, the ridges formed in the mortar do not flow or slump. During use, stir mortar mix occasionally. Do not add additional water. Do not add latex liquid additives to SikaTile®-450 LHT Secure Set.

APPLICATION

Read all installation instructions before installation. Choose a notched trowel with sufficient depth to achieve more than 80% mortar coverage and transfer to substrate and back of tile to both the tile and substrate for all interior applications, and more than 95% for exterior, commercial floor and wet applications, back-butter the tile to meet these requirements. With pressure, apply a coat of mortar by using the flat side of the trowel to key the mortar into the substrate. With the notched side of the trowel, apply additional mortar by combing it in a single direction parallel to the shortest dimension of the tile. Spread only as much mortar as can be tiled before the product skins over. Open time can vary with jobsite conditions. Set tiles firmly into the wet mortar and push the tiles back and forth in a direction perpendicular to trowel lines to collapse the mortar ridges and to help achieve maximum coverage.