O'Brill Company

Construction Specialty Suppliers

       6626 N. Milwaukee Ave.

Niles, IL 60714

773-775-1122 or 847-647-0005

FAX 847-647-7819

Since 1967

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Sealtight Futura-15




NO. 398



SEALTIGHT FUTURA-15 is a one component, cementitious, very rapid-hardening structural repair mortar designed for horizontal applications. FUTURA-15 is composed of selected cements, graded sands and chemical additives. This proprietary blend produces a very rapid-setting structural repair mortar even in cold weather conditions without the aid of chloride or gypsum based accelerators.

SEALTIGHT FUTURA-15 is ideal for structural patching of concrete pavements, bridges, parking decks, airport runways and taxiways. FUTURA-15 is also designed for repair of industrial floors, expansion joint nosings, sidewalks and general commercial applications, along with grouting keyways.


bulletMay be top-coated in as little as four hours
bulletVery rapid setting/ Decreases turn-around time
bulletRapid strength gain/ Repairs can be opened to traffic in as little as an hour
bulletShrinkage compensated/ Minimizes cracking and de-bonding
bulletContains no chlorides/ WIll not promote reinforcing steel corrosion
bulletContains no added gypsum/ Excellent resistance to freeze/thaw and wet environments
bulletLow permeability/ Protects reinforcing steel from future corrosion
bulletEconomical/ Can be extended up to 50% by weight with aggregrate
bulletOne component/ Easy mixing, saves labor

Conforms to ASTM C 928-99a "Packaged, Dry, Rapid Hardening Cementitious Materials for Concrete Repair," Classification R3, Very Rapid Hardening.

12 months when stored on pallets in a dry, cool area.


bullet50 lb. (22.7 Kg) bag yields yields 0.41 ft. (11.6L)
bulletExtend with 12.5 lb. (5.68 Kg) of aggregrate - yields 0.49 ft. (13.93L)
bulletExtend with 25 lb. (11Kg) of aggregrate - yields 0.58 ft. (16.4L)

Yields listed above are based on 4.75 pints (2.25L) of water per 50-lb. bag and will vary based on substrate profile, mix ratios, aggregate type and waste. Field trials should be performed to determine yields based on aggregate type.

The following physical properties were determined using the maximum water to powder ratio of 5.25 pints (2.48L) per 50 lb. (22.7 kg of SEALTIGHT FUTURA-15 at 75F (23.5C)

Set Time Per ASTM C 191
Initial 14-18 Minutes
Final 20-25 Minutes
Working Time 7-9 Minutes
Flow Per ASTM C 928 
103% after 5 Minutes 
Compressive Strength (at 75 F, 50% RH)
Per ASTM C 109
at 1 hour 2,000 PSI (14 MPa)
at 2 hours 3,500 PSI (24 MPa)
at 1 day 6,000 PSI (42 MPa)
at 7 days 8,500 PSI (59 MPa)
at 28 days 9,000 PSI (65 MPa)
Bond Strength Per ASTM C 882
@ 1 day 2,370 psi (16 MPa)
@ 28 days 3,910 psi (27 MPa)
Modulus of Elasticity
Per ASTM C 469
5.16 x 106 psi (35.5 GPa)
Length Change Per ASTM C 928
Drying Shrinkage -0.11%
Wet Expansion +0.08%
Scaling Resistance Per ASTM C 672 @ 25 Cycles
Visual Rating 0 Rating No Scaling
Mass Loss 0.00 No Mass Loss
Freeze-Thaw Resistance Per ASTM C 666 (Procedure A)
At 300 Cycles 100% RDM4

All Technical Data is typical information, but may vary due to testing methods, conditions and procedures.
Independent Reports Are Available Upon Request.
Modified No Bonding Agent used. Pre-dampening of properly prepared substrate.
Cured after 3 hours at 73+/-3F and 50+/-4% RH
4 RDM - Relative Dynamic Modulus


bulletFUTURA-15 is recommended for concrete repairs only
bulletDo not use as an underlayment or overlay
bulletProtect from freezing for a minimum of 24 hours.
bulletDo not bridge moving cracks. Extend existing control and expansion joints through FUTURA-15.
bulletFor large areas with no control, expansion or construction joints, refer to ACI Guidelines.
bulletDo not exceed a length-to-width ratio of 2 to 1 for the repair area.
bulletDo not add any admixtures.
bulletExceeding liquid requirements shall result in reduced physical properties.
bulletRealize that set time will decrease as the product, air, substrate and mixing liquid temperature increases and will increase as the temperature decreases.
bulletRepair areas should be saw cut and slightly undercut to a minimum depth of a 1/2" (12.5 mm). Do not featheredge.
bulletProtect from conditions that may cause early water loss; windy, low humidity, high temperature and direct sunlight. Early water loss is exasperated in thin applications.
bulletRealize that the use of extender aggregate will alter physical properties.
bulletDo not use evaporation retardants, such as SEALTIGHT EVAPRE with this product.
bulletFailure to follow industry standard practices may result in decreased material performance.
bulletProper application is the responsibility of the user. Field visits by W.R. MEADOWS personnel are for the purpose of making technical recommendations only, and are not to supervise or provide quality control on the job-site.

Perform surface preparation in accordance with ICRI Technical Guidelines No. 03730, "Guide for Surface Preparation for the Repair of Deteriorated Concrete Resulting from Reinforcing Steel Corrosion." Mechanically abrade existing substrate to remove all unsound concrete, but do not use excessive force, which may cause micro-fracturing. Substrate must be structurally sound and free of any contaminants that will adversely affect the bond. Prepared substrate surface must have a sufficient profile of " to ensure adequate mechanical lock. Saw cut perimeter of repair zone to a depth of " to avoid feather edging.

Completely expose all reinforcing steel, ensuring a minimum clearance of " behind reinforcing steel. Abrade entire circumference of steel to a white metal finish. Perform reinforcing steel preparation in accordance with ICRI Technical Guidelines No. 03730. Pre-dampen concrete substrate to a saturated surface dry (SSD) condition. Remove all standing water and puddles.

Mix only complete bags. Using a suitable sized mortar type mixer, add 4.75-5.25 pints (2.24-2.48L) of clean water to the mixer per 50 lbs. (22.7 kg) bag of FUTURA-15. If extension is required, add appropriate amount of aggregate to mixer prior to the addition of FUTURA-15. Mix for 3-5 minutes until homogenous and lump-free. Do not mix more product than can be mixed, placed and finished in 15 minutes at 70 F (21 C). Do not over-mix.

For repairs greater than 2" (51mm) in depth; extend FUTURA-15 with 12.5 lbs. (5.68 kg) of aggregate. For repairs greater than 4" (102 mm) in depth extend FUTURA-15 with 25 lbs. (11.36 kg) of aggregate. The aggregate must be a minimum of 3/8" (9mm) size, saturated but surface dry condition, clean pea gravel. Always add the aggregate to the mixing water prior to the addition of FUTURA-15. For configurations requiring greater than 50% extension or larger areas, contact your local W.R. MEADOWS representative. Proper stress relief must be given for large patch areas.

Apply FUTURA-15 by trowel or screed. Compact FUTURA-15 well against the prepared substrate prior to bulk placement. Ensure complete encapsulation of reinforcing steel. Finish surface by screeding FUTURA-15 to a level surface. For a rough finish, a broom or burlap bag is suitable, never re-temper. Do not re-temper or overwork.

Follow ACI 305-R89 "Standard on Hot Weather Concreting" or ACI 306-R88 "Standard on Cold Weather Concreting," when applicable.

May be top-coated with an epoxy-based overlay after 4 hours. For all other systems, wait a minimum of 24 hours prior to topcoating. Consult appropriate installation guide for the product to be overlaid.

FUTURA-15 must be immediately cured in accordance with ACI 308. If a membrane curing compound is used, we suggest using SEALTIGHT 2250-WHITE or SEALTIGHT 1130-CLEAR. On large patches, cure repair zone as work proceeds. Wet curing for a minimum of one day, followed by a suitable curing compound helps minimize shrinkage.

Avoid inhalation of dust. Avoid direct contact with this product. Utilize gloves and goggles to minimize direct contact. If contact occurs, wash affected areas with mild soap and water. Keep product out of reach of children. FOR INDUSTRIAL USE ONLY. Refer to Material Safety Data Sheet for complete Health and Safety Information.

This material last updated November, 2001.

W. R. MEADOWS, INC. warrants that, at the time and place we make shipment, our materials will be of good quality and will conform with our published specifications in force on the date of acceptance of the order. THE FOREGOING WARRANTY SHALL BE EXCLUSIVE AND IN LIEU OF ANY OTHER WARRANTY, EXPRESS OR IMPLIED, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ALL OTHER WARRANTIES OTHERWISE ARISING BY OPERATION OF LAW, COURSE OF DEALING, CUSTOM OF TRADE OR OTHERWISE. As the exclusive remedy for breach of this Warranty, we will replace defective materials, provided, however, that the buyer examine the materials when received and promptly notify us in writing of any defect before the materials are used or incorporated into a structure. Three (3) months after W. R. MEADOWS, INC. has shipped the materials, all our Warranty and other duties with respect to the quality of the materials delivered shall conclusively be presumed to have been satisfied, all liability therefore terminates, and no action for breach of any such duties may thereafter be commenced. W. R. MEADOWS, INC. shall in no event be liable for consequential damages. Unless otherwise agreed to in writing, no warranty is made with respect to materials not manufactured by W. R. MEADOWS, INC. We cannot warranty or in any way guarantee any particular method of use or application of the performance of materials under any particular condition. Neither this Warranty nor our liability may be extended or amended by our salesmen, distributors or representatives, or by our distributor's representatives, or by any sales information or drawings.


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Copyright 2002 O'Brill Company
Last modified: August 09, 2004