ASTM E84 “Standard Test Method for Surface Burning Characteristics of Building Materials”.

UL 2846 “Fire Test of Plastic Water Distribution Plumbing Pipe for Visible Flame and
Smoke Characteristics.”

Cross-linked Polyethylene PEX Piping, Fittings and Valves

All PEX tubing, connectors, angle stop valves, and other accessories
(if sufficient space available) shall be permanently marked with the following:
 Manufacturers name or trademark
 Model Name
 Standard: ASTM E84
 Flame Spread Rating < 25, Smoke Development Rating < 50
 UL 2846 Flame Propagation < 15, Peak Optical Density 0.845, Average Optical Density
0.125
 Nominal Size
 QAI Logo with ‘us’ indicator

The following outlines the performance of Viega PEX pipe determined in accordance with
the noted standards.

Models

ViegaPEX™ (red white, blue, purple)
ViegaPEX™ Ultra (red, white, blue, black)
Viega PEX Press Fittings and Manifolds (polymer & metallic)
Viega PEX Crimp Fittings and Manifolds (PolyAlloy® & metallic)
Viega PEX Press Valves
Viega PEX Crimp Valves

The following outlines the performance of Viega PEX pipe determined in accordance with
the noted standards.

ASTM E84 – Surface Burning Characteristics

Note¹: List of approved pipe insulation providers:

The following list of insulation types (at minimum thickness of ½”) are approved for use with
ViegaPEX and ViegaPEX Ultra products when installed with Viega PEX fittings and valves of up
to maximum 2 inch diameter. The insulation noted must be listed to ASTM C547 by an approved
listing agency.

UL 2846 – Fire Test of Plastic Water Distribution Plumbing Pipe for Visible Flame and
Smoke Characteristics.

Note:  These products are subjected to limitations as specified above and must be installed in
accordance with the manufacturers’ instructions. Authorities having jurisdiction should be
consulted regarding allowable applications. See manufacturer’s listings for other standards listed
under QAI certification programs.