Sika MonoTop®-4500 Geo Hybrid

12 months from date of production if stored properly in original, unopened and undamaged sealed packaging.

Store dry at 40-95 ºF (4-35 ºC)

Protect from moisture. If damp, discard material.

5.5 - 6.5 pints 

3/8" - 6"

40 °F (4 °C) minimum / 95 °F (35 °C) maximum

40 °F (4 °C) minimum / 95 °F (35 °C) maximum

0.40 ft³ (0.01 m³) per Neat mix

0.58 ft³ (0.02 m³) per Extended mix, containing 25 lbs (11.4kg) or 3/8 inch (10 mm) coarse aggregate

(Yield figures do not include allowance for surface profile and porosity, or material waste)

• Surfaces must be clean and sound. Remove all deteriorated concrete, dirt, dust, oil, grease, contaminants and other bond-inhibiting materials from the area to be repaired
• Be sure the repair area is not less than 3/8 inch (10 mm) in depth for placement of a Neat mix. Be sure the repair area is not less than 1 inch (25 mm) in depth for placement of an Extended mix
• To ensure optimum repair results, the effectiveness of decontamination and substrate preparation can be assessed by a Pull-Off test (i.e Tensile Adhesion test per ASTM C1583)
• Saw cutting the perimeter edges of the repair area is recommended
• Remove any and all protruding material i.e brick, concrete, mortar ect.
• Ensure that any and all leaks are stopped prior to application

• ​​​​​​Pour 5.5 pints (2.6 liters) of clean water into a suitably sized mixing container.
• Add the entire bag's contents of Sika MonoTop®-4500 Geo Hybrid to the container while continuously mixing with a low-speed rotary drill (400 - 600 rpm) and paddle or a mortar mixer.
• Add up to an additional maximum 1 pint (0.5 liter) of water, if needed, for the desired consistency.
• Do not overwater. Excess water may cause segregation.
• Mix to a uniform consistency, maximum 5 minutes. Thorough mixing and proper proportioning are necessary

• Apply Sika MonoTop®-4500 Geo Hybrid mortar by hand trowel or spray methods for the repair of horizontal, vertical or overhead concrete surfaces.
• At the time of application, the substrate surfaces must be saturated surface dry (SSD) but hold no standing water.

Hand Trowel

• A neat mix of Sika MonoTop®-4500 Geo Hybrid mortar must initially be scrubbed into the mechanically prepared, SSD substrate. Alternately an appropriate Sika bonding agent product can be used. Be sure to fill all pores and voids.
• Apply Sika MonoTop®-4500 Geo Hybrid mortar by hand trowel while the scrub coat or bonding agent is still wet and uncured.
• Force material against edges of repair, working toward center. After filling repair area, screed off excess Sika MonoTop®-4500 Geo Hybrid mortar.
• Allow Sika MonoTop®-4500 Geo Hybrid to set to the desired stiffness. Finish with broom or with a burlap drag for a rough finish. Finish with a wood float for a granular finish. Finish with a steel trowel or a magnesium float for a smooth finish.
• To assist in the finishing process, use SikaFilm® finishing aid. Please consult the current product data sheet for additional information.
• Mixing, placing and finishing typically should not exceed 2 to 3 hours maximum.

Wet Process Spraying

• Conventional low pressure spray equipment should be used. Consult directly with the equipment manufacturer for their recommendations.
• Set up wet process spray equipment. Add liquid directly into the mixer. Start with 5.5 pints (2.6 liters) per bag. Add additional water to attain the desired consistency for the application. Do not exceed 6.5 pints (3.1 liters).
• Start the mixer in motion and add Sika MonoTop®-4500 Geo Hybrid powder while continuing to mix.
• When spraying, shoot perpendicular (i.e. at a 90° angle) to vertical or overhead surfaces. This minimizes rebound, creates the smoothest pattern (i.e. reduces "bumps") and properly encases rebar.
• After applying the material, allow it to stiffen before removing bumpy areas with a trowel.
• Before applying the next layer, allow the material to develop initial strengths. This may take anywhere from 2 - 4 hours, depending on mix consistency, ambient and substrate temperatures, wind conditions and humidity.
• Begin and finish multiple lift repairs on the same day. To assist in the finishing process of the final lift, use SikaFilm® finishing aid. Please consult the current product data sheet for additional information.
• Refer to ACI 305R the "Guide to Hot Weather Concreting" or ACI 306R the "Guide to Cold Weather Concreting" when there is a need to place this product while either hot or cold temperatures prevail. Thinner placements will be more sensitive to actual temperature conditions.

• Minimize applied materials exposure to sunlight and air movement that would effect curing
• When possible, cover/shade material between applications
• If applying in hot/dry conditions, the use of a wind barrier and/or fogging spray is necessary