All our equipment and surfaces have been tested not to exceed average municipal noise levels


	dB(A)	sound level of skate equipment dB(A)

	120

	100
traffic
	90

	80
stainless steel
	70
asphalt
fibre glass	60

	50

	40

	30

	20

	10
		2m	10m	20m	30m	50m

Mean average value: with high traffic in a distance of 10m						dB(A)
					skate park	app. 70
				play-	ground	app. 60

Mean average value of energetic noise from skate ramps with skateboarders. Using casual plastic wheels Results will be affected depending upon various wheel materials and are subject to change. Noise production of inliners is much lower than from skateboarders and have been not taken into account. Difference are about 20%