Commercial Railing Finishes

Many different finishes are available. Our standard finish is a Super Durable Powder Coat finish meeting AAMA 2604 Specifications. Please contact us to discuss the best finish and color options for your application. Below is a list of commonly used finish types.
 
*Polyester Powder Coat
*Super Durable Polyester Powder Coat
*Fluoropolymer Powder Coat
*Enamel Wet Paints
*Fluoropolymer Wet Paints
*Anodizing
Note: Most powder and wet paint finishes are available in multiple coats.

 

Comparison of Coatings Specifications

Test Parameter

AAMA 2603

AAMA 2604

AAMA 2605

PRETREATMENT REQUIREMENTS

Metal Preparation and Pretreatment

Multi-stage cleaning and pretreatment

Multi-stage cleaning and pretreatment

Multi-stage cleaning and pretreatment

Pretreatment Type

Chemical conversion coating

Chrome or non-chrome chemical conversion coating

Amorphous chromium phosphate or amorphous chromate treatment

Pretreatment Coating Weight

none specified

Chrome=30 mg/ft² minimum; non-chrome per supplier's specification

Chrome=40 mg/ft² minimum

PAINT FILM REQUIREMENTS

Dry Film Thickness

0.8 mils minimum

1.2 mils (for multicoat, 1.0 mil topcoat minimum & 0.3 +/- 0.1 mil primer)

1.2 mils (for multicoat, 1.0 mil topcoat minimum & 0.3 +/- 0.1 mil primer)

(None specified under ASCA 96)

Sealant Compatibility

meets AAMA 800

meets AAMA 800

meets AAMA 800

Specular Gloss

+/- 5 units of specification (high=80+, medium=20-79, low£19)

+/- 5 units of specification (high=80+, medium=20-79, low£19)

+/- 5 units of specification (high=80+, medium=20-79, low£19)

Dry Film Hardness

H minimum

F minimum

F minimum

ADHESION REQUIREMENTS

Dry Adhesion

0% failure (no loss)

0% failure (no loss)

0% failure (no loss)

Wet Adhesion

0% failure (no loss)

0% failure (no loss)

0% failure (no loss)

Boiling Water Adhesion

none specified

0% failure (no loss)

0% failure (no loss)

Impact Resistance

no removal of film from substrate

no removal of film from substrate

no removal of film from substrate

Abrasion Resistance

none specified

abrasion coefficient value = 20 minimum

abrasion coefficient value = 40 minimum

CHEMICAL RESISTANCE REQUIREMENTS

Muriatic Resistance

15-minute exposure: no blistering or visual change

15-minute exposure: no blistering or visual change

15-minute exposure: no blistering or visual change

Mortar Resistance

24-hour exposure: no loss of film adhesion or visual change

24-hour exposure: no loss of film adhesion or visual change

24-hour exposure: no loss of film adhesion or visual change

Nitric Acid Resistance

none specified

30-minute exposure: 5 Delta E (Hunter) maximum color change

30-minute exposure: 5 Delta E (Hunter) maximum color change

Detergent Resistance

72-hour exposure: no loss of adhesion, no blistering, no significant visual change

72-hour exposure: no loss of adhesion, no blistering, no significant visual change

72-hour exposure: no loss of adhesion, no blistering, no significant visual change

Window Cleaner Resistance

none specified

24-hour exposure: no blistering or appearance change

24-hour exposure: no blistering or appearance change

(None specified under ASCA 96)

 CORROSION RESISTANCE REQUIREMENTS

Humidity Resistance

1,500 hours: no more than ``few" blisters size 8, figure no. 4, ASTM D 714

3,000 hours: no more than ``few" blisters size 8, figure no. 4, ASTM D 714

4,000 hours: no more than ``few" blisters size 8, figure no. 4, ASTM D 714

Salt Spray Resistance

1,500 hours of salt solution: minimum rating of 7 on scribe or cut edges; minimum blister rating of 8 in the field

(ASTM D 1654)

3,000 hours of salt solution: minimum rating of 7 on scribe or cut edges; minimum blister rating of 8 in the field

(ASTM D 1654)

4,000 hours of salt solution: minimum rating of 7 on scribe or cut edges; minimum blister rating of 8 in the field

(ASTM D 1654)

WEATHERING RESISTANCE REQUIREMENTS

Accelerated Exposure

1,000 hours in Atlas Type ``XW" weatherometer: no adhesion loss; slight chalking or color change

none specified

none specified

Outdoor Exposure

1 year South Florida, 45m south: no adhesion loss; slight chalking or fading

5 years South Florida, 45m south: 5 Delta E (Hunter) maximum color change; chalking < 8 (ASTM

D 4214); gloss retention > 30%; erosion resistance < 10% film loss

10 years South Florida, 45m south:

 5 Delta E (Hunter) maximum color change; chalking < 8 (ASTM

D 4214), gloss retention > 50%; erosion resistance < 10% film loss