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Dry-Set Portland Cement Mortar – TileSet 910

January 27, 2010

construction repair cementing bricks

Dry-Set Portland Cement Mortar – TileSet 910


TileSet 910 is an economical factory-blend of Portland cement, extenders and additives.

TileSet 910 produces an excellent bond by use of the dry-set mortar method for the installation of ceramic tile.


TILESET 910 is used as a bond coat for setting absorptive, semi-vitreous and non-vitreous ceramic tile for service in residential and commercial use. It is used in a mortar bed as thin as 3/32″ (2.4 mm) after the tiles have been properly embedded.

TileSet 910 is water cleanable, non-flammable and good for exterior work. No presoaking of tiles is necessary.

TileSet 910 mortar is not affected by prolonged contact with water, but does not form a waterproof barrier.

TileSet 910 is a permanent installation featuring higher bond strength and lower material and labor costs than conventional Portland cement mortar beds.

If extra high strengths are desired or a mortar meeting ANSI A118.4 specifications is needed, use CURECRYLIC® PREMIUM 939 admixture. Areas subject to freeze-thaw cycling should also use the CURECRYLIC additive.


Suitable backings, when properly prepared, include plumb and true masonry, concrete, gypsum board (dry interior walls only), cementitious backer units, cured Portland cement mortar beds, brick, ceramic tile and marble.


TileSet 910 and TILESET 909 NONSANDED must not be applied directly over wood, asphalt sheeting, vinyl covered wall board,

Masonite®, cement asbestos board, metal, glass, plastic, luan plywood or gypsum mortar beds.

Apply in a temperature range of 40°F to 100°F (4°C to 32°C). Do not allow mortar to freeze for the first 72 hours.

Not recommended for setting green or black colored marble. These marbles must be set with COLORSET EPOXY SYSTEM 931.


Conforms to requirements for dry-set mortars found in ANSI A118.1, ANSI A108.5 and C.T.I. 64-1. Conforms to ANSI A118.4 requirements when mixed with CUREMIX® 937 and CURECRYLIC® PREMIUM 939, (C-Cure admixtures).

TILESET can also bond tiles to properly prepared exterior grade plywood (EGP) when mixed with


Color – Gray.

Texture – Powder, consisting of Portland cement, graded aggregate, organic and inorganic chemicals.


50 lb. (22.7 kg) bags.



All surfaces on which tiles are to be set must be dry, structurally sound, and not subject to temperatures below 40°F (4°C) or above 100°F (38°C).

Detailed installation procedures may be found in the TCA Handbook and ANSI A108.5.

Surfaces must be dry and free of all grease, oil, dirt, dust, curing compounds, sealers, coatings, efflorescence, old adhesive residues, gypsum based underpayments and any other foreign matter.


Cleaning may be accomplished via mechanical sanding, scraping or chipping. Surfaces may be cleaned with muriatic acid if thoroughly flushed and neutralized. (Use proper precautions.)

Smooth, steel troweled concrete floors must be roughened to ensure a good bond. It is advisable to dampen dry porous concrete before installing ceramic tile with ThinSet mortar. Do not leave puddles or standing water on surfaces


Surfaces such as strip wood, plywood and old plaster or painted surfaces that provide bonding problems should be covered with a cleavage membrane topped with a 3/8″ to 3/4″ (9.5 to 19 mm) reinforced mortar bed for walls and a 11⁄4″ (32 mm) reinforced mortar bed for floors.

After a minimum of 20 hours, the dry-set mortar may be applied to the mortar bed.


It is absolutely essential that the existing tile be well bonded. The surface must be prepared in accordance with the requirements for cementitious surfaces. It is also necessary to abrade the surface to assure proper bonding. Mortar shall be mixed with CUREMIX 937 or CURECRYLIC PREMIUM 939.


Expansion joints shall be installed in accordance with local building codes. See EJ 171 in TCA Handbook for detailed specifications. Expansion joints, control joints and cold joints shall never be bridged with setting material.


TILESET dry powder should be added to clean, potable water or to CUREMIX 937 or CURECRYLIC PREMIUM 939 at the rate of approximately 11⁄2 gallons (5.7 L) per 50 lb. (22.7 kg) bag.

Mix thoroughly until smooth and let mortar slakes for 15 minutes, then remix. If a mechanical mixer is used, it must be done at a low RPM (350) so as not to entrap air into the mortar.

Do not add water, latex or additional powder after slaking period.

The proper mortar consistency is such that when applied with a notch trowel to the substrate, the ridges formed in the mortar will not flow or slump.

Do not use mortar after initial set in bucket. During use, remix mortar occasionally.


Spread mortar with flat side of trowel to key into substrate. Then, apply additional mortar to a depth sufficient to be notch with a suitable trowel that will leave only enough mortar to give 100% contact with back of tile and a subsequent mortar bed of 3/32″ to 3/16″ (2.4 to 5 mm). With high lug tiles, “back buttering” may be required to ensure 100% coverage to back of tiles. During the setting of tile, it is advisable to occasionally remove a tile to be sure mortar has not skinned over and sufficient transfer is being made. It is also required that tiles be embedded to obtain good transfer of mortar to tile and for proper alignment. Do not adjust tiles in mortar after they have been set past 10 – 15 minutes.

NOTE: As a practical test it is recommended that 3 or more separate 12″ square (.3 m2) areas of tile be bonded to the properly prepared surface with the actual tile and bonding material that will be used on the finished installation.

These should be allowed to cure for 3 to 7 days and then removed with a hammer and chisel. At this point, one can determine if adequate bond has been obtained or if a problem exists.


Water is all that is needed to remove uncured mortar.


A minimum cure is obtained in 12-24 hours, depending on ambient temperatures.

Grouting can be done before the mortar takes its final set if caution is used not to break the plastic mortar bond to the tile. Normal grouting should be done 48 hours later.


The recommendations, suggestions, statements and technical data are based on the best knowledge available to C-Cure and are given for informational purposes ONLY and without any responsibility for their use.



of the ingredients shall be in accordance with C-Cure specifications. It is expressly understood and agreed that the buyer’s sole and exclusive remedy shall be replacement of defective products and under no circumstances shall C-Cure be liable for incidental or consequential damages.

C-Cure neither assumes nor authorizes any others to assume for it any liability with respect to furnishing of the product.

Handling and use of the product are beyond the control of C-Cure, therefore, no warranty is made, expressed or implied, as to the results obtained from the use of the product or against any claims for infringement of patents resulting from the use of the product.

This writing constitutes a complete and exclusive statement of the understanding between C-Cure and buyer.

There were no oral agreements or warranties, expressed or implied, collateral to or affecting the furnishing of the product.

This understanding shall not be modified except in writing by an officer of C-Cure.


*A. Open Time @ 70°F (21°C)
6 Minutes
*B. Adjustability @ 70°F (21°C)
9 – 12 Minutes
*C. Bucket Life @ 70°F (21°C)
4 Hours
D. Compressive Strength

ASTM C-109

>2000 psi (141 kg/cm2)
*E. Shear Bond ANSI A118.1

Non-Vitreous Tile ……………………7 Days

……………………………………………..28 Days

200 psi (14 kg/cm2) min

250 psi (18 kg/cm2) min

>250 psi (18 kg/cm2)

>350 psi (25 kg/cm2)

Vitreous (Paver) Tile ………………..7 Days

……………………………………………..28 Days

50 psi (4 kg/cm2) min

100 psi (7 kg/cm2) min)

>150 psi (11 kg/cm2)

>250 psi (18 kg/cm2)

*F. Safety – CAUTION: May cause eye, skin or lung injury. Contains free silica. Prolonged exposure to dust may cause delayed lung disease (silicosis).

Eliminate exposure to dust. Use NIOSH approved mask for Silica dust. Contains Portland cement. If any cement or cement mixtures get into eye, flush immediately and repeatedly with water, and consult a physician promptly. Freshly mixed cement, mortar, concrete or grout may cause skin injury.

Avoid contact with skin where possible and wash exposed skin areas promptly with water.

G. Storage Life – One year if kept dry in sealed bag.

*These values reflect the results of practical testing methods closely associated with applications in the field.


PER 50 LB. (22.7 KG)
1/4″ x 1/4″ x 1/4″

(6 x 6 x 6 mm)

Square-Notch Trowel

1/4″ x 3/8 ” x 1/4″

(6 x 9.5 x 6 mm)

Square-Notch Trowel

1/2″ x 1/2″ x 1/2″

(13 x 13 x 13 mm)

Square-Notch Trowel

81 (7.5)
70 (6.5)
42 (3.9)

Members of National Tile Contractors Association,

Materials & Methods Standards Association, Ceramic Tile Distributors Association.

NOTICE: The information in this bulletin is presented in good faith, but no warranty, express or implied, is

given nor is freedom from any patent. In as much as any assistance furnished by C-Cure with reference to

the safe use and disposal of its products is provided without charge, C-Cure assumes no obligation or

liability therefore, except to the extent that any such assistance shall be given in good faith.

C-Cure Frequently Asked Questions

Grouts and Caulking Links


C-Cure Sanded Grout C-Cure Non-Sanded Grout C-Cure Caulking Grouting Data Sheet

Waterproofing links

Pro Red Waterproofing 963SealGuard Waterproofing

Misc Setting Material Links

C-Cure MultiSet 917C-Cure Thinset 911C-Cure Thinset 910C-Cure Pro Full Contact 907Pro-Set ThinsetPermaBond FastSet 904PermaBond Ultra Mastic 1002 Dry-Set Mortars Coverage Non Shrink Grout

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