DATA & TESTING

Deck Crown Slip Resistance Test Results

Spec Ref

Test

Deck Crown

Standard Composite Decking

ASTM D2394

Coefficient of Friction (Dry)

Dynamic Coefficient of friction

Static Coefficient of friction

0.715

0.952

0.480

0.220

ASTM D2394

Coefficient of Friction (Wet)

Dynamic Coefficient of friction

Static Coefficient of friction

0.652

0.748

0.400

0.430

Summary of test conditions

PHYSICAL TESTING:

Coefficient of Friction ASTM D2394

Date of Testing: 09/04/2013

Laboratory Conditions: 23° ± 2°C, 50% ± 5% RH

Test Speed: 0.05 ipm

Substrate: Prime Grade shoe sole leather

Deck Crown Weathering and Fade Resistance Test Results

Weathering Study:

Cape Cod		L*	a*	b*	ΔL*	Δa*	Δb*	ΔE*
Beginning of test	0 hrs	61.5	-0.3	0.5
8/4 QUV Spray	500 hrs	61.5	-0.3	0.6	0.0	0.0	0.1	0.1
8/4 QUV Spray	1012 hrs	61.5	-0.3	0.8	0.0	0.0	0.3	0.1
8/4 QUV Spray	1513 hrs	61.4	-0.3	0.8	-0.1	0.0	0.3	0.1
8/4 QUV Spray	1996 hrs	61.4	-0.3	0.7	-0.1	0.0	0.3	0.1
8/4 QUV Spray	2492 hrs	61.4	-0.3	0.7	-0.1	0.0	0.2	0.1
8/4 QUV Spray	2995 hrs	61.5	-0.3	0.8	0.0	0.0	0.3	0.1

Stone		L*	a*	b*	ΔL*	Δa*	Δb*	E*
Beginning of test	0 hrs	60.2	6.2	17.9
8/4 QUV Spray	500 hrs	59.1	6.2	17.6	-1.1	0.0	-0.3	1.3
8/4 QUV Spray	1012 hrs	59.0	6.2	17.6	-1.3	0.0	-0.3	1.2
8/4 QUV Spray	1513 hrs	59.1	6.1	17.6	-1.1	0.0	-0.3	1.3
8/4 QUV Spray	1996 hrs	58.8	6.3	17.5	-1.4	0.1	-0.4	1.5
8/4 QUV Spray	2492 hrs	58.8	6.3	17.4	-1.5	0.2	-0.5	1.6
8/4 QUV Spray	2995 hrs	58.8	6.3	17.5	-1.4	0.1	-0.4	1.5

Weathered		L*	a*	b*	ΔL*	Δa*	Δb*	ΔE*
Beginning of test	0 hrs	55.2	2.7	9.4
8/4 QUV Spray	500 hrs	55.0	2.8	9.3	-0.2	0.1	0.1	0.3
8/4 QUV Spray	1012 hrs	54.9	2.8	9.3	-0.3	0.1	0.1	0.3
8/4 QUV Spray	1513 hrs	54.9	2.7	9.4	-0.3	0.0	0.0	0.3
8/4 QUV Spray	1996 hrs	54.7	2.8	9.3	-0.5	0.1	-0.1	0.5
8/4 QUV Spray	2492 hrs	54.6	2.9	9.3	-0.6	0.2	-0.1	0.6
8/4 QUV Spray	2995 hrs	54.5	2.9	9.6	-0.7	0.1	0.2	0.7

Cedar		L*	a*	b*	ΔL*	Δa*	Δb*	ΔE*
Beginning of test	0 hrs	46.5	11.6	22.6
8/4 QUV Spray	500 hrs	46.1	11.7	22.4	-0.4	0.1	-0.2	0.4
8/4 QUV Spray	1020 hrs	46.0	11.7	22.4	-0.5	0.1	-0.2	0.5
8/4 QUV Spray	1523 hrs	46.5	11.5	22.3	0.0	-0.1	-0.3	0.4
8/4 QUV Spray	1996 hrs	45.9	11.7	22.1	-0.6	0.1	-0.5	0.8
8/4 QUV Spray	2492 hrs	45.6	11.7	22.2	-0.8	0.2	-0.4	1.0
8/4 QUV Spray	2995 hrs	45.4	11.8	22.4	-1.1	0.3	-0.3	1.1

Timber		L*	a*	b*	ΔL*	Δa*	Δb*	ΔE*
Beginning of test	0 hrs	38.4	4.0	11.8
8/4 QUV Spray	500 hrs	38.5	4.0	11.5	0.0	0.0	-0.3	0.3
8/4 QUV Spray	1012 hrs	38.3	4.0	11.5	-0.1	-0.1	-0.2	0.2
8/4 QUV Spray	1513 hrs	38.4	4.0	11.4	0.0	0.0	-0.3	0.3
8/4 QUV Spray	1996 hrs	38.3	4.1	11.3	-0.1	0.1	-0.5	0.5
8/4 QUV Spray	2492 hrs	38.2	4.1	11.4	-0.3	0.1	-0.4	0.5
8/4 QUV Spray	2995 hrs	38.2	4.2	11.6	-0.3	0.2	-0.2	0.4