AG-20 Universal Primer

The substrate must be clean, dust-free and dry.

Dimensionally stable wood building elements: wood moisture content 11-15%

Wood building elements with limited or no dimensional stability: wood moisture content max. 18%

Thoroughly remove any dirt, grease and non-adhering old coatings.

Exterior wood:

Sand grey and weathered wood surfaces down to sound, bright wood.

Remove any loose and torn knots as well as resin that bleeds from the wood and clean with a suitable product (e.g. V 101 Thinner).

Use IG-10 Impregnation Primer IT* to pre-treat exterior wood requiring protection against insects, soft rot and blue stain. (*Use biocides safely. Always read the label and product information before use.)

Observe BFS Code of Practice No. 18 "Coatings on Wood and Wooden Working Materials in Outdoor Areas".

Iron, steel:

Derust thoroughly. Remove scale layers and rolling skin (derust manually to SA 3 standard of cleanliness). The best results are achieved if the substrate has been sand blasted to SA 2.5 standard of cleanliness (DIN EN ISO 12944-4).

Sanded metal finish: P 150 - P 180.

Round off sharp edges and ridges.

Refer to BFS Code of Practice No. 20.

Zinc (galvanised steel):

Clean with an ammonium-based wetting agent, using an abrasive pad. Observe BFS Code of Practice No. 5.

Aluminium:

Clean with V 101 or V-890 thinner, or a cleaning agent that contains phosphoric acid. Observe BFS Code of Practice No. 6.

Plastics:

Treat rigid PVC, PUR, polyester, acrylic, and melamine resin coatings (Resopal) with V 101 or V-890 thinner and an abrasive pad.

Stir well.

Apply with a brush, roller or by spraying.

Airmix spraying: nozzle size: 0.23 - 0.28 mm, material pressure: 80 - 100 bar, atomiser air pressure: 1.2 - 2 bar.

Airless spraying: nozzle size: 0.23 - 0.28 mm, material pressure: 70 - 80 bar.

Flow cup gun: nozzle size: 2.0 - 2.5 mm; atomiser air pressure: 2.0 - 3.0 bar.

After drying and intermediate sanding, coat with a water-based or solvent-based lacquer.

Observe the waiting times between coats.

Check the product’s compatibility, adhesion and sealing effect on the substrate by applying to trial areas.

Areas that are being coated or dried should be protected against rain, wind, sunlight and condensation.

Dust-dry: after approx. 1 hour
Ready for next coat: after approx. 12 hours

Practice values at +20 °C and 65% relative humidity.

If a water-based finish is used, overnight drying is required.

Low temperatures, poor ventilation and high humidity delay drying.

If necessary, dilute with max. 10% Thinner V 101.

Brush with natural bristles, flat brush, foam roller, air-mix/airless spraying equipment, flow cup gun

Clean tools immediately after use with V 101 Thinner.

Ensure that any residue from cleaning is disposed of correctly.

If stored unopened in its original container in a cool, dry place and protected against frost, the product will keep for at least 24 months.

As an adhesive primer and to seal off substances in the wood: 80 - 100 ml/m² depending on the substrate
For corrosion protection: 2 x 100 ml/m²

Insulation of resins and substances contained in the wood.

If discolouration continues even after following these steps, we recommend contacting our RTS (Remmers Technical Service).

Bleeding resin is a natural phenomenon and cannot be prevented by coating measures, see BFS Code of Practice No. 18.

The mineral content naturally found in exotic woods may cause discolouration.

On planed larch and softwoods with a high resin content, the coating may have reduced adhesion and resistance to weathering. This is especially the case on horizontal year rings, knots and areas of winter growth that are high in resin. Maintenance and renovation must be carried out more frequently on these surfaces.
The only remedy for this is pre-weathering or very coarse sanding (P80).
If these wood types are rough-sawn, considerably longer maintenance and renovation intervals are to be expected.

Larger quantities of leftover product should be disposed of in the original containers in accordance with the applicable regulations. Completely empty, clean containers should be recycled. Do not dispose of together with household waste. Do not allow to enter the sewage system. Do not empty into drains.

For further information on the safety aspects of transporting, storing and handling the product and on disposal and environmental matters, please see the current Safety Data Sheet.