Sikasil® C

• Conformity with LEED v2009 IEQc 4.1: Low-Emitting Materials - Adhesives and Sealants
• Environmental Product Declaration
• VOC emission classification GEV-EMICODE EC 1^PLUS

• EN ISO 11600: Building construction - Jointing products - Classification and requirements for sealants.
• CE Marking and Declaration of Performance to EN 15651-1 - Sealants for non-structural use in joints- Facade elements.
• CE Marking and Declaration of Performance to EN 15651-2 - Sealants for non-structural use in joints in buildings - Sealants for glazing.
• CE Marking and Declaration of Performance to EN 15651-3 - Sealants for non-structural use in joints in buildings - Sealants for sanitary joints.

Alkoxy silicone

15 months from the date of production.

The product must be stored in original, unopened and undamaged sealed packaging in dry conditions at temperatures between +5 °C and +25 °C. Always refer to packaging.

EN 15651-1: F EXT-INT 25 LM CC.  EN 15651-2: G 25 LM CC. EN 15651-3: S XS1. ISO 11600 F 25 LM. ISO 11600 G 25 LM.

−40 °C min. / +150 °C max.

The joint dimensions must be designed to suit the movement capability of the sealant. For joint widths ≥ 10 mm and ≤ 20 mm, a joint depth of 10 mm is recommended.

For larger joints contact Sika Technical Services for additional information.

+5 °C min. / +40 °C max.

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

The substrate must be sound, clean, dry and free of all contaminants such as dirt, oil, grease, cement laitance, old sealants and poorly bonded paint coatings which could affect adhesion of the sealant. The substrate must be of sufficient strength to resist the stresses induced by the sealant during movement.

Removal techniques such as wire brushing, grinding, grit blasting or other suitable mechanical tools can be used.

All dust, loose and friable material must be completely removed from all surfaces before application of any activators, primers or sealant.

Sikasil® C adheres without primers and/or activators.

For optimum adhesion and joint durability, the following substrate priming (and/or pre-treatment) procedures must be followed:

For optimum adhesion, joint durability and critical, high performance applications such as joints on multi-storey buildings, highly stressed joints, extreme weather and / or water exposure. The following priming and/or pre-treatment procedures must be followed:

Non-porous substrates
Aluminium, anodised aluminium, stainless steel, PVC, galvanised steel, powder coated metals or glazed tiles. Slightly roughen surface with a fine abrasive pad. Clean and pre-treat using Sika® Aktivator-205 applied with a clean cloth.

Before sealing, allow a waiting time of > 15 minutes (< 6 hours).

Other metals, such as copper, brass and titanium-zinc, cleaned and pre-treat using Sika® Aktivator-205 applied with a clean cloth. After a waiting time of > 15 minutes (< 6 hours). Apply Sika® Primer-3 N applied by brush. Before sealing, allow a waiting time of > 30 minutes (< 8 hours)

PVC has to be cleaned and pre-treated using Sika® Primer-215 applied with a brush. Before sealing, allow a waiting time of > 30 minutes (< 8 hours).

Glass must be cleaned with Isopropanol before application.

Porous substrates
Concrete, aerated concrete and cement based renders, mortars and bricks surfaces must be primed using Sika® Primer-3 N applied by brush.

Before bonding / sealing, allow a waiting time of > 30 minutes (< 8 hours).

Concrete, aerated concrete and cement based renders, mortars and bricks must be primed using Sika® Primer-3 N. For more details such as application and flash-off times, refer to the most recent Product Data Sheet of the respective pre-treatment product.

Adhesion tests on project specific substrates must be performed and procedures agreed with all parties before full project application.

For more detailed advice and instructions contact Sika Technical Services.

Note: Primers and activators are adhesion promoters and not an alternative to improve poor preparation / cleaning of the joint surface. Primers also improve the long term adhesion performance of the sealed joint.

1-part ready to use

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