Introduction to Expanded Metal:
Finishes and Special Treatments

MILL FINISH
Carbon Steel: Expanded metal is lightly oiled and requires cleaning before final finish using acid or solvent bath with a water rinse.

Aluminum: Clean with a non-etching chemical or detergent, then rinse and dry thoroughly. A wax or non-wax base cleaner can be used.

HOT DIP GALVANIZING
Protective coating of zinc; may have a rough uneven appearance. Not applicable to patterns smaller than 1/4”.

ELECTRO-GALVANIZED
Zinc finish applied to sheets to provide weather resistance.

DEBURRING
Remove burrs and sharp edges by wire brushing 9”-72” SWD, 50”-150” LWD. Not all styles will be deburred.

LEVELING
A plane of the sheet leveled without flattening strands or bonds.

ANODIZED, COATED, PAINTED OR PLATED expanded metal also available.