DESCRIPTION

Sikaflex-11 FC+ is a 1-component, high performance dual purpose adhesive and sealing compound of permanent elasticity. It is based on a special moisture cured polyurethane with an accelerated curing time.

FEATURES AND BENEFITS

• Non-sag and permanently flexible 
• Very good adhesion to most construction materials
• No need to grout the bonded areas 
• Excellent mechanical resistance
• Excellent resistance to weathering
• Impact and vibration absorbing 
• Very low emissions
• Silicone-free

USES

• As a joint sealant for vertical and horizontal joints, soundproofing of pipes between concrete and sheathing, caulking between partitions, seam sealing, sealing in metal and wood construction and for ventilation construction. 
• As a multipurpose adhesive for indoor and outdoor bonding of window sills, thresholds, stair steps, skirting boards, base boards, crash protection boards, covering boards and prefabricated elements.
• Indoor and outdoor use

APPLICATION INFORMATION

• Substrate Temperature - +5 °C to +40 °C
• Curing Rate - 3.5 mm/24 hours approx. (23 °C / 50% r.h.)

SUBSTRATE PREPARATION

The substrate must be clean, dry, sound and homogeneous, free from oils, grease, dust and loose or friable particles. Paint, cement laitance and other poorly adhering contaminants must be removed. Sikaflex-11 FC+ adheres without primers and/or activators. However, for optimum adhesion and critical, high performance applications, such as on multi-story buildings, highly stressed joints, extreme weather exposure or water immersion, the following priming and/or pretreatment procedures shall be followed:

LIMITATIONS

• Elastic sealants may not be overpainted because paints have a limited movement capability and thus will crack during joint movements. 
• Colour variations may occur due to exposure to chemicals, high temperatures and/or UV-radiation (especially with the colour shade white).
• However, a change in colour is purely of aesthetic nature and does not adversely influence the technical performance or durability of the product.
• Before using Sikaflex-11 FC+ on natural stone, please refer to our Technical Service Department for advice. 
• Do not use Sikaflex-11 FC+ as a glass sealer, on bituminous substrates, natural rubber, EPDM rubber or on any building materials which might bleed oils, plasticizers or solvents that could attack the sealant.
• Do not use Sikaflex-11 FC+ to seal joints in and around swimming pools. 
• Do not use Sikaflex-11 FC+ for joints under water pressure or for permanent water immersion. 
• Do not expose uncured Sikaflex-11 FC+ to alcohol containing products as this may interfere with the curing reaction.