Sikagard®-63 N

• Conformity with LEED v4.1 MR: Environmental Product Declarations (Option 1)

• Conformity with LEED v4 MRc 4 (Option 2): Building Product Disclosure and Optimization - Material Ingredients

• Conformity with LEED v2009 IEQc 4.2: Low-Emitting Materials - Paints and Coatings

• CE Marking and Declaration of Performance to EN 1504-2 - Surface protection product for concrete - Coating

Epoxy novolac resin

12 months from date of production if sored at below mentioned storage conditions.

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

Value at +23 °C

EN 1504-2 - Surface protection product for concrete - Coating

~100 %

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

Part A : Part B = 87 : 13 by weight

~0,1 mm per layer; minimum 2 layers required

+10 °C min. / +30 °C max.

≤ 80 %

Beware of condensation! The substrate and uncured applied floor material must be at least +3 °C above dew point to reduce the risk of condensation or blooming on the finish.

+10 °C min. / +40 °C max

~0.15 kg/m² per layer, minimum 2 layers required. For harsh conditions 3 layers are required.

One 10 kg pail will cover ~33 m² if applied with the minimum layer thickness of 200 µm in two layers respecetively ~22 m² for a three-layer buid-up with ~300 µm thickness.

These consumptions are theoretical and can vary according to the absorption and roughness of the substrate. It is essential to carry out representative trials on site to evaluate the exact consumption.

Substrates must be clean, dry and free of all contaminants such as dirt, oil, grease, coatings, laitance, surface treatments, loose friable materials and and any other surface contaminants that could affect adhesion.

Concrete / Stone / Cementitious mortars & rendering

Concrete must be at least 3–6 weeks old.

Substrates must be prepared mechanically using suitable abrasive blast cleaning or planing / scarifying equipment to remove cement laitance and achieve an open textured gripping surface profile suitable for the product thickness.

High spots can be removed by grinding.

Weak substrates must be removed and surface defects such as blow holes and voids must be fully exposed.

Repairs to the substrate, filling of cracks, blowholes / voids and surface levelling must be carried out using products from the Sika® range of materials. Products must be cured before applying Sikagard®-63 N.

If the moisture content exceeds 4%, Sikagard®-720 EpoCem® or Sikagard®-385 EpoCem® must be applied as a temporary moisture barrier.

Steel / aluminium Surfaces must be prepared mechanically using suitable abrasive blast cleaning, grinding, rotating wire brush or other suitable equipment to achieve a bright metal finish. Reference must be made to the preparation levels in the following standards if compliance is required:

• ISO EN 12944-4: level Sa 2 ½

• NACE International Standard: SSPC-SP 10 “near white metal blast cleaned”

• EN 14879, part 1

Apply a suitable compatible primer on the prepared steel as soon as possible to prevent oxide development. Contact Sika Technical Services for additional support.

Epoxy resin-based products

Surfaces must be prepared by abrading using suitable equipment.

General Note

All dust, loose and friable material must be completely removed from all surfaces before application of the product and associated system products, preferably by vacuum extraction equipment.

Avoid dew point conditions before and during product application. Priming

With the expception of metal surfaces, all substrates must be primed with a suitable resin-based primer like e.g. Sikafloor®-150 plus, Sikafloor®-151 or Sikagard® P 770 before application of Sikagard®-63 N. Please refer to the PDS of the primer for more detailed information.

Prior to mixing both parts, mix Part A (resin) seperately using an electric single paddle mixer (300–400 rpm) or other similar equipment to mix liquid and all the coloured pigment until a uniform colour has been achieved. Add Part B (hardener) to Part A and mix continuously for 3 minutes until a uniformly coloured mix has been achieved. To ensure thorough mixing, pour materials into a clean container and mix again for at least 1 minute to achieve a smooth consistent mix. Excessive mixing must be avoided to minimise air entrainment. During the final mixing stage, scrape down the sides and bottom of the mixing container with a straight edge trowel or spatula at least once to ensure complete mixing. Mix full units only. Total mixing time for A+B: ~4 minutes.

Reference must be made to further documentation where applicable, such as relevant method statement, application manual and installation or working instructions.

Prior to application, confirm substrate moisture content, relative air humidity, dew point, substrate, air and product temperatures.

Apply Sikagard®-63 N onto the prepared substrate evenly using a roller, brush or airless spray at the required consumption rate. Minimum two coats are required. Respect the waiting times before application of the second coat.

Clean all tools and application equipment with a suitable solvent based cleaner immediately after use. Hardened material can only be removed mechanically.