I know about foams as we used various on traffic lights and sensors.
Even with unit pointing down water could enter by capillary action and temperature variation.
So proper closed cell foam needs to be used.
Pretty basic error for a light company to fit that rubber.
Even with unit pointing down water could enter by capillary action and temperature variation.
So proper closed cell foam needs to be used.
Pretty basic error for a light company to fit that rubber.