OVERVIEW
Northwest Railing LLC is an aluminum railing distribution company based in Yakima, WA.
Northwest Railing provides in-stock DekSmart Railing products to customers negating the need to pre-order and allowing for shorter lead times.
POWDER COATING PROCESS
Powder Coat Paint Finish
All DekSmart Railings powder coat finishes comply to:
NAAMM’s “Metal Finishes Manual for Architectural and Metal Products” for recommendations for applying and designating finishes.
ASTMB117-97 (3000 hr salt spray adhesion.
A.A.M.A.4 2604 colour uniformity, film adhesion, impact and chemical resistance criteria
Treatment of Raw Aluminum
All DekSmart Railings exposed aluminum components are treated
before powder coating through a full multi-stage pretreatment process.
First stage is treat the components with a heated alkaline based solution to remove oils and contaminates.
Second stage – freshwater rinse
Third stage – reverse osmosis rinse.
Fourth stage – E-CLPS sealer coat used to provide a superior bond for the powder coat finish to the aluminum.
Fifth stage – aluminum components are oven dried leaving a nearly colourless coating