1.3-Wood enhancement

Question 1

What are resins

Answer 1

-used in engineered wood to enhance properties of the useable parts of trees such as sawdust
-example- urea formaldehyde

Question 2

What are laminations

Answer 2

-veneers e.g. natural woods, which are laminated to the board surface to enhance aesthetics
-chipboard- made from compressing wood chips with a resin and is stable, uniform strength

Question 3

Uses of resins with fire retardants for wood enhancement

Answer 3

-resin is impregnanted with fire retardant cladding (indoor flooring)

Question 4

Uses of preservatives for wood enhancement

Answer 4

-protect wood from fungal and insect attack
-can be pre treated with a copper based preservative, which penetrates the wood to protect the whole plank
-copper has fungicidal properties

Question 5

Uses of pigments for wood enhancement

Answer 5

-added to give different coloured shades to enhance the aesthetics e.g. outdoor decking
-can be used on cheaper softwoods to look like hardwoods

Question 6

Uses of fire retardant preservatives for wood enhancement

Answer 6

-used to pressure treat wood for roof joists, cladding etc and exhibition stands
-wood can be treated to make it harder and more resistant in high wearing situations

Question 7

Uses of modified natural polysaccharide for wood enhancement

Answer 7

-wood impregnated to cure within the wood cell structure
-increased hardness, toughness and stability
-floor panels

Question 8

Uses of structural composite lumber and laminated veneer lumber

Answer 8

-made by layering strands or veneers of wood with resins to produce a stable wood billet
-less prone to defects e.g. warping
-used in structural applications e.g. beams, joints