Materials and Finishes
Extruded aluminium is the most popular and widely used material in the threshold and weatherstrip industry. It is available in mill and anodized finishes.
Mill Finish (A)
Extruded brass is the original material of choice and is the most du-rable. Mill finishes will patina over time to a bronze color. Polished brass will need to be re-polished to retain its bright finish.
Brass extrusions can be plated in various finishes. Here are some popular examples.