Sika Sikaflex -11fc+

A multipurpose elastic adhesive and joint sealant capable of bonding most construction material substrates and sealing vertical and horizontal joints.

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Last Updated 17 Nov 2022

Further information

Uses

An adhesive to bond construction components and materials such as:

Concrete
Masonry
Reconstituted or cast stone
Ceramic
Wood
Metal
Glass

A sealant to seal vertical and horizontal joints

Features & Benefits

Movement capability of ±35 % Bonds well to defined substrates without surface pre-treatment
Good mechanical and weathering resistance
Very low emissions
Adhesive sealant with CE marking

Sealing Procedure

Masking

It is recommended to use masking tape where neat or exact joint lines are required. Remove the tape within the skin time after finishing.

Joint Backing

After the required substrate preparation, insert a suitable backing rod to the required depth.

Priming

Prime the joint surfaces as recommended in substrate preparation. Avoid excessive application of primer to avoid causing puddles at the base of the joint.

Application

Prepare the end of the cartridge/foil pack before or after inserting it into the sealant gun then fit the nozzle. Extrude Sikaflex®-11 FC+ into the joint ensuring that it comes into full contact with the sides of the joint and avoiding any air entrapment.

Finishing

As soon as possible after application, the sealant must be firmly tooled against the joint sides to ensure adequate adhesion and a smooth finish.
Use a compatible tooling agent (e.g. Sika® Tooling Agent N) to smooth the joint surface. Do not use tooling products containing solvents.

Cleaning Tools

Clean all tools and application equipment with Sika® Remover-208 immediately after use. Once cured, hardened material can only be removed mechanically. For cleaning skin use Sika® Cleaning Wipes-100.

Local Restrictions

Please note that as a result of specific local regulations the performance of this product may vary from country to country. Please consult the local Product Data Sheet for the exact description of the application fields.

Storage Conditions

The product must be stored properly in original, unopened and undamaged sealed packaging in dry conditions at temperatures between +5 °C and +30 °C.

Higher storage temperatures may reduce the shelf life of the product.

Reference shall also be made to the storage recommendations within the safety data sheet.

Weight	0.3kg
Product Title	Sika Sikaflex -11 FC+ Multipurpose Adhesive
Chemical Base	i -Cure technology polyurethane
Density	~1,35 kg/l
Shore A Hardness	~37 (after 28 days)
Tensile Strength	~1,5 N/mm²
Secant Tensile Modulus	~0,60 N/mm² at 100% elongation (+23°C)
Elongation at Break	~700%
Movement Capability	±35%
Elastic Recovery	~80 %
Tear Propagation Resistance	~8.0 N/mm
Service Temperature	−40°C min. / +80°C max.
Chemical Resistance	Resistant to many chemicals. Contact Sika® Technical Services for additional information.
Sag Flow	~1 mm (20mm profile, +23°C)
Ambient Air Temperature	+5°C min. / +40°C max.
Substrate Temperature	+5°C min. / +40°C max. Minimum +3°C above dew point temperature
Backing Material	Use closed cell, polyethylene foam backing rod
Curing Rate	~3.5 mm/24 hours (+23°C / 50 % r.h.)
Skin Time	~70 min (+23°C / 50% r.h.)

Weight

0.3kg

Product Title

Sika Sikaflex -11 FC+ Multipurpose Adhesive

Chemical Base

i -Cure technology polyurethane

Density

~1,35 kg/l

Shore A Hardness

~37 (after 28 days)

Tensile Strength

~1,5 N/mm²

Secant Tensile Modulus

~0,60 N/mm² at 100% elongation (+23°C)

Elongation at Break

~700%

Movement Capability

±35%

Elastic Recovery

~80 %

Tear Propagation Resistance

~8.0 N/mm

Service Temperature

−40°C min. / +80°C max.

Chemical Resistance

Resistant to many chemicals. Contact Sika® Technical Services for additional information.

Sag Flow

~1 mm (20mm profile, +23°C)

Ambient Air Temperature

+5°C min. / +40°C max.

Substrate Temperature

+5°C min. / +40°C max. Minimum +3°C above dew point temperature

Backing Material

Use closed cell, polyethylene foam backing rod

Curing Rate

~3.5 mm/24 hours (+23°C / 50 % r.h.)

Skin Time

~70 min (+23°C / 50% r.h.)

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Liener Investments

Waterproofing and floor finishing products

Lusaka

Liener Investments is an official distributor of Sika, Alcolin and Verni waterproofing, reinforcing, flooring and epoxy art (resin kits, pigments and powders) supplies in Zambia. By using Liener’s range of products, you are guaranteed of water tight and leak free results. They will stop water penetrating through your roof, preventing costly water damage to your building.