Specification

ManualsBrandsCustom Building Products ManualsFlooringMedium Bed Gray 50 lb. Mortar

TILING 09 30 00 Setting / TDS-125

1 Product Name

Medium Bed Mortar

2 Manufacturer

Custom®BuildingProducts

3 Product Description

An economical, polymer-modified mortar for use with large format tile

and natural stone. With a non-slumping formula to eliminate lippage,

Medium Bed Mortar can be applied to 3/4" (19 mm) thick on horizontal

applications. Use it for vitreous, semi-vitreous and absorptive tile,

including ceramic, quarry, pavers, cement and porcelain, gauged or

ungauged natural stone and pre-cast terrazzo.

Suitable Tile Types

Vitreous, semi-vitreous or non-vitreous tile: ceramic, quarry, cement

body tile, pavers

Impervious porcelain

Brick and stone veneer

Cement-based precast terrazzo

Gauged or Ungauged Natural stone tile

Suitable Substrates

Concrete, mortar beds, masonry, Portland cement plaster

WonderBoard®Lite, cement backerboards

Liquid applied waterproofing membranes such as RedGard® and

Custom®9240

CrackpreventionsheetmembranessuchasCrackBuster®Pro

Exterior Grade Plywood (interior residential and light commercial dry

areas)

Gypsum wallboard (interior dry areas)

Existing ceramic tile (scarified)

Fully-bonded sheet vinyl flooring (scarified)

Plastic laminates (scarified)

Cutback adhesive (see preparation instructions)

Composition of Product

Modified dry mortar, which is a proprietary blend of Portland cement,

inorganic aggregates, copolymers and chemicals.

Benefits of Product in the Installation

Designed for large format dimensional stone and tile

Minimizes need for tile leveling by eliminating lippage

Can be applied to 3/4" (19 mm) thick on floors

Limitations to the Product

Do not bond directly to hardwood, Luan plywood, particle board,

parquet, cushion or sponge-back vinyl flooring, metal, fiberglass,

plastic or OSB panels.

Not recommended for interior and exterior pools and water features.

CUSTOMrecommendsMegaLite®CrackPreventionMortar,

MegaFlex®CrackPreventionMortarandProLite®LargeTileand

Stone Mortar for the installation of ceramic and porcelain tile in

submerged applications. For additional information, contact Custom

Technical Services.

When setting moisture sensitive natural stone, cement or agglomerate

tileuseEBMLite™EpoxyBondingMortar100%SolidsorCEGLite™

100% Solids Commercial Epoxy Grout.

DonotusetoinstallresinbackedstoneuseEBMLite™EpoxyBonding

Mortar100%Solids,CEGLite™100%SolidsCommercialEpoxyGrout

orcontactCustom's®TechnicalServicesforrecommendations.

When setting glass tile larger than 6" x 6" (15 x 15 cm), contact

Custom's®TechnicalServicesforrecommendations.

When setting dimensional stone larger than 12" x 12" (30 x 30 cm),

contactCustom's®TechnicalServicesforrecommendationsregarding

subfloor deflection requirements.

Packaging

50 lb (22.68 kg) bag

Gray or white

4 Technical Data

Applicable Standards

American National Standards Institute (ANSI) ANSI A108.5, A118.4 and

A118.11 of the American National Standards for the Installation of

Ceramic Tile.

Tile Council of North America (TCNA) TCNA Handbook for Ceramic Tile

Installation, TCNA Method EJ171.

Medium Bed Mortar

Published Date: 1/17/2014

Summary of content (4 pages)

PAGE 1
TILING 09 30 00 Setting / TDS-125 Medium Bed Mortar 1 Product Name Medium Bed Mortar 2 Manufacturer Custom® Building Products 3 Product Description An economical, polymer-modified mortar for use with large format tile and natural stone. With a non-slumping formula to eliminate lippage, Medium Bed Mortar can be applied to 3/4" (19 mm) thick on horizontal applications.
PAGE 2
TILING 09 30 00 Setting / TDS-125 Medium Bed Mortar Technical Chart Property Bonding to Lightweight Cement and Gypsum Surfaces Test Method Requirement Typical Results Open Time A118.4 Section 4.4 > 50 Minutes 60 Minutes Adjustment Time A118.4 Section 4.5 > 30 Minutes 35 Minutes Pot Life 2 Hours 4 Week Shear Bond Strength Glazed Wall Tile A118.4 Section 5.1.5 > 300 psi 300 - 375 psi (21.1 26.4 kg/cm²) Porcelain Tile A118.4 Section 5.2.4 > 200 psi 225 - 275 psi (15.8 19.
PAGE 3
TILING 09 30 00 Setting / TDS-125 Medium Bed Mortar Expansion Joint placement 6 Expansion joints and cold joints, as described in ANSI A108.01, should never be bridged with setting material. They must be brought through the tile work and filled with an appropriate elastomeric sealant, such as Custom's® 100% Silicone. Contact Custom's® Technical Services for the proper treatment of control or saw cut joints. Refer to TCNA EJ171, F125 and F125A.
PAGE 4
TILING 09 30 00 Setting / TDS-125 Medium Bed Mortar Coverage SQUARE FOOT COVERAGE PER 50 LB BAG (SQUARE METER PER 22.68 KG) Trowel Size Min Coverage Max Coverage 1/4" x 3/8" x 1/4" (6 x 9.5 x 6 mm) Square-Notch 70 sq. ft. (6.5 M²) 77 sq. ft. (7.2 M²) 1/2" x 1/2" x 1/2" (13 x 13 x 13 mm) Square-Notch 50 sq. ft. (4.6 M²) 55 sq. ft. (5.1 M²) 3/4" × 9/16" × 3/8" (19 × 14 × 9.5 mm) UNotch 44 sq. ft. (4.1 M²) Published Date: 1/17/2014 40 sq. ft. (3.