Contact us if document is not available
Sikalastic® Metal Primer N
Two-component, solvent-based epoxy primer for exposed metal and bitumen substrates.
Sikalastic® Metal Primer N is a two-component, solvent based expoxy primer for exposed metal substrates and blocking primer over bituminous felts and coatings.
Suitable for use in hot and tropical climatic conditions.
- Fast curing, overcoat possible in 6 hours
- Easy application by brush or roller
- Enhances adhesion to broad range of metalic substrates
- Protects against migration of volatile bitumen substrates (inconjuction with fully reinforced systems)
- Can be overcoated with a wide range range of Sika Liquid Applied Waterproofing Memrbanes
Contact us if document is not available
Usage
Sikalastic® Metal Primer N is a primer for metal substrate for use with:-- Decothane Ultra® Roofing Systems
- Sikalastic® roofing systems
- Sikalastic® balcony systems
Advantages
- Fast curing, overcoat possible in 6 hours
- Easy application by brush or roller
- Enhances adhesion to broad range of metalic substrates
- Protects against migration of volatile bitumen substrates (inconjuction with fully reinforced systems)
- Can be overcoated with a wide range range of Sika Liquid Applied Waterproofing Memrbanes
Packaging
Part A - 3.75 ltr (5 ltr tin)
Part B - 1.25 ltr (2.5 ltr tin)
Colour
Part A (Base) - Grey liquid
Part B (Activator) - Amber liquid
Parts AB (Mixed) - Grey liquid
Product Details
Composition
Two-component, solvent based epoxy
Shelf life
24 months from date of production
Storage conditions
The product must be stored properly in original, unopened and undamaged sealed packaging in dry conditions at temperatures between +5 °C and +35 °C.
Higher storage temperatures may reduce shelf life of product.
Reference shall also be made to the storage recommendations within the safety data sheet.
Density
~1.25 kg/l (+23 °C)
Solid content by volume
~89%
Application
Mixing ratio
Component A : Component B = 3:1 (by volume)
Ambient air temperature
+5 °C min. / +40 °C max.
Substrate temperature
+5 °C min. / +40 °C max.
Substrate moisture content
Visibly free from moisture and condensation
Pot Life
+20 °C - 90 minutes
Waiting time to overcoating
Apply Sikalastic® Metal Primer N within 4 hours of blasting, before re-oxidation. Before applying any recommended Decothane Ultra® Roofing Systems; Sikalastic ® Roofing Systems & Sikalastic® Balcony Systems - on Sikalastic® Metal Primer N, allow:
Substrate temperature | Minimum waiting time | Maximum waiting time |
+10 °C | 12 hours | 7 Days |
+20 °C | 6 hours | 7 Days |
+30 °C | 3 hours | 7 Days |
Note: Apply an additional coat if more than 7 days pass before coating. Times are approximate and will be affected by changing ambient conditions particularly temperature and relative humidity.
Consumption
Apply in one coat, with a consumption of 0.15 L/m² approx (0.20 kg/m² approx) per coat depending upon surface roughness and absorption.
SUBSTRATE QUALITY
Prior to the commencement of works, adhesion/substrate compatibility trials should be carried out onto the substrate to confirm substrate suitability and adhesion of the proposed system.
The surfaces must be clean, dry, free of stripping agents and free of oil, grease, silanes, salts, silicone, siloxanes and other chemicals which could cause poor adhesion.
SUBSTRATE PREPARATION
All surfaces to be coated should be thoroughly cleaned by conventional means. Steel is ideally prepared by shot blasting to Sa 2 1⁄2 or SSPC 10 (nearly white metal). Where blasting is not permitted then clean metal preparation by power tools is acceptable.
Non-ferrous metals are prepared by removing deposits of dust and oxidation and abrade to white metal.
Wire brushing can be used on soft metals, i.e. copper. Ensure that surfaces are free from visible dampness and that all dust, loose and friable material is completely removed from all surfaces before application of the product, preferably by brush and/or vacuum. If in doubt apply a test area first. For detailed information regarding substrate quality/preparation and primer chart please refer to Method Statement.
APPLICATION
Prepare Sikalastic® Metal Primer N by stirring component A until uniform, add component B and mix by electric drill until a homogeneous colour is achieved and
the product is free of streaks.
Sikalastic® Metal Primer N can be applied by short-piled roller or brush.
Allow primer to dry sufficiently (see table waiting time/overcoating) before overcoating.
CLEANING OF EQUIPMENT
Clean all tools and application equipment with Thinner C immediately after use. Hardened and/or cured material can only be removed mechanically.