Bostik N 40 Primer



DM 2012 – Bostik N 40 Primer

N40 is a Bostik product – made in Australia. N40 is the manufacturers specification for the bonding of the Ultra set polyurethane adhesive available from Deck-Max™? Used to prime / prepare the surface of the metal joists and remove the extrusion oils and other contaminants.


  • Item # DM – N40
  • Drying time: 5 – 10 minutes
  • Coverage: Approx. 100 lineal meters per litre
  • Application Time: within 4 hours or re-priming required.
  • Do not dilute or mix with other solvents.
  • Apply with clean cloth and allow to dry before applying the UltraSet polyurethane.
  • Bostik N40 primer is a clear, non staining solvent based primer for promoting the adhesion of urethane sealants to most metals – aluminum & steel.
Additional information
Weight .95 kg
Dimensions 15 × 10 × 10 cm
Trade Tip

Trade Tip

Simply apply the Primer to a cloth and wipe the top of the metal joist prior to applying the ULTRASET SF Adhesive.

Must apply only for the amount of decking area that can be laid in a 4 hour window. IF LEFT OVERNIGHT RE APPLY to be sure surface is clear of moisture and dirt and oils.

Use in conjunction with the Deck-Max Self Drilling Metal screw Kits N40 a Bostik product – made in Australia



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