Installation Guide

MegaLite®RSUltimateRapidSettingCrackPreventionLargeFormatTileMortar/TDS120
1 Product Name
MegaLite®RSUltimateRapidSettingCrackPreventionLargeFormat
Tile Mortar
2 Manufacturer
Custom Building Products
Technical Services
10400 Pioneer Boulevard, Unit 3
Santa Fe Springs, CA 90670
Customer Support: 800-272-8786
Technical Services: 800-282-8786
Fax: 800- 200-7765
Email: contactus@cbpmail.net
custombuildingproducts.com
3 Product Description
A premium one part formula with the high, fast bond strengths and
flexibility to withstand horizontal movement to isolate substrate cracks.
For time-critical commercial and residential installations under the
most demanding requirements, capable of thin-set or medium bed
application up to 3/4" (19 mm) thick on horizontal surfaces after beat
in. Non-slump, medium-bed features provide the ultimate support for
large format tile and stone. No need for two part additives to meet
high bond and flexibility or compressive strength requirements. The
rapid setting formula allows grouting in less than 3 hours, traffic in 4
hours. A 30 lb (13.6 kg) bag covers the same area as a 50 lb (22.68
kg) bag of traditional mortar. Use for interior or exterior floors,
countertops and walls. Formulated with recycled material contributes
toLEED®certification.ExceedsANSIA118.4,A118.15andA118.11
without the need for additives.
Key Features
Fast curing - Grout in 3 hours, open for traffic in 4 hours
Unsurpassed bond strength and flexibility
Non-slump for floors, sag and slip resistant for walls
Lightweight - 30 lbs. covers the same area as 50 lbs. of traditional
mortar
Suitable Tile Types
Vitreous, semi-vitreous or non-vitreous tile: ceramic, mosaic, quarry,
cement body tile
Impervious porcelain and glass tile
Brick and Stone Veneer
Cement-based precast terrazzo
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 Substrates meeting deflection requirements
(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
Sets quickly
Allows grouting in as little as 3 hours and light foot traffic in 4 hours
Maximum bond strength and flexibility
Isolates cracks
Non-slump medium bed for heavy tile and stone installations for floors
and walls
Exceeds ANSI A118.4, A118.15 and A118.11 standards without the
need for additives
Not formulated with silica sand
MegaLite®RSUltimateRapidSettingCrackPreventionLarge
Format Tile Mortar
Published Date: 4/11/2018

Summary of content (5 pages)