Decking comprises: a support selected from the group consisting of: polymeric materials; marine engineering polymers, fiber reinforced polymers, polymer metal composites, metal or wood sheets or marine superstructure; an array of strips of polymer treated wood secured to the support by means of an adhesive; the adhesive being selected from the group consisting of: polyurethane adhesives, modified silyl polymer adhesives and epoxy resin adhesives; wherein the polymer treated wood comprises a wood species selected from the group consisting of: maple species impregnated with a wood compatible polymerizable monomer, preferably selected from furfuryl alcohol, bis hydroxymethyl furan and mixtures thereof and subsequently dried and cured.

The invention relates to an adhesive composition comprising: ground pea seeds comprising between 5 wt % and 40 wt % of crude proteins on the total weight of the ground pea seeds, an amine-based azetidinium-functional cross-linker, and water.

The invention also relates to an article and its preparation process, use of the adhesive composition according to the invention, and use of ground pea seeds.