Sika MonoTop®-614 F
Sika® MonoTop -614F is a cement based, one component flowable repair mortar (High Flow) containing shrinkage compensators and high range water-reducing agents, meeting the requirements of Class R4 of BS EN 1504-3.
- One component, ready to use
- Low shrinkage
- High mechanical properties
- Good flow properties
- Repair depths upto 150 mm in one application
- Can be poured or pumped
- Overcoatable with Sika reprofiling/levelling mortars and coatings
- Reduced dust during mixing
Usage
- Horizontal or vertical repairs
- Bridges
- Marine structures
- Tunnels
- Buildings
- Fire damaged structures
- For exterior and interior use
- In place of R1, R2 & R3 mortars
Advantages
- One component, ready to use
- Low shrinkage
- High mechanical properties
- Good flow properties
- Repair depths upto 150 mm in one application
- Can be poured or pumped
- Overcoatable with Sika reprofiling/levelling mortars and coatings
- Reduced dust during mixing
Packaging
25kg bag
Colour
Grey powder
Product Details
APPROVALS / STANDARDS
Conforms to the requirements of BS EN 1504-3 R4 Classification
Complies generally with the Highways Agency specifications for repairs to highways structures.
Chemical Base
Portland cement type Cem I, selected aggregates and additives.
Shelf Life
6 months
Storage Conditions
Store properly in original unopened, sealed and undamaged packaging in dry and cool conditions
Density
Cured mortar density: ~ 2300 – 2400 Kg/m3 | (BS EN 12190) |
Maximum Grain Size
Dmax: 4.0 mm
Soluble Chloride Ion Content
~ 0.01%
Compressive Strength
1 day (5°C) | ~2MPa | 1 day (20°C) | ~25MPa |
3 days (5°C) | ~30MPa | 3 days (20°C) | ~55MPa |
7 days (5°C) | ~50MPa | 7 days (20°C) | ~70MPa |
14 days (5°C) | ~65MPa | 14 days (20°C) | ~80MPa |
Modulus of Elasticity in Compression
~41GPa
Flexural Strength
~8MPa at 28 days
Tensile Adhesion Strength
~3MPa*
*No primer
Coefficient of Thermal Expansion
~ 14 x 10-6 m/m °C | (BS EN 1770) |
Reaction to Fire
Class A1
Capillary Absorption
~ 0.3 kg.m-2.h-0.5
Carbonation Resistance
dk ≤ control concrete
Electrical Resistivity
~39 (kohm.cm) | (Wenner Test at 28 days) |
Application
Mixing Ratio
Water : mortar powder = 0.093 parts by weight. (2.30 – 2.40litres of water per bag)
Layer Thickness
15 mm min. / 150 mm max.
Consistency
Flow Properties
Temperature | Time (mins) | Flow in 30 Secs |
5oC | 0 | ~690mm |
5oC | 20 | ~690mm |
20oC | 0 | ~970mm |
20oC | 20 | ~970mm |
Ambient Air Temperature
+5°C min. / +30°C max.
Substrate Temperature
+5°C min. / +30°C max.
Initial Set Time
~4-5 hours | (BS EN 13294) |
Final Set Time
~7-8 hours | (BS EN 13294) |
Yield
This depends on the substrate roughness and thickness of layer applied. As a guide, 1 bag yields approximately 11.5 litres of mortar
MIXING
Place the water into a forced action mixer or in a clean drum. Slowly add complete bag of Sika® MonoTop -614F into the water and continuously mix for 3 minutes in mixer to achieve a uniform and lump free consistency. Alternatively use a slow speed drill (200-500 rpm) and spiral paddle mixer.
APPLICATION
Pour the mixed Sika® MonoTop -614F into the prepared repair area as soon as it has been mixed to maintain flow properties and no more than 30 mins to benefit from the shrinkage compensating properties. Ensure continuous mortar flow during the complete pouring operation to avoid trapping air.
For cold weather working consider using warm water to assist with achieving strength gain & other physical properties.
Reference shall be made to BS EN1504-10:2003 for specific requirements and any other guidelines that are specific to the structure.
CURING TREATMENT
It is essential to cure the repair mortar immediately after application for a minimum of 3 days to ensure full cement hydration and to minimise cracking. Use polythene sheeting taped down at the edges or other approved method.
Curing compounds shall not be used when they adversely affect subsequently applied products and systems.
Reference shall also be made to BS EN1504-10:2003 for specific requirements.
CLEANING OF TOOLS
Clean all tools and application equipment with water immediately after use. Hardened/cured material can only be mechanically removed.