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Sika MonoTop 614F (25kg)

R4 Flowable Cementitious Repair Mortar

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

£22.45 Excl VAT

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Description

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.

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

System Structure

Sika MonoTop® 614F is part of the Sika® MonoTop Concrete Repair System

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.

Product Information

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%

Technical Information

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)~65MPa14 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 Information

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

20oC0~970mm
20oC20~970mm

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

Application steps

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.

Additional information

Weight 25 kg
CPRL Colours

Grey

Brand

Sika

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