----- Original Message -----From: Steve = GoughSent: Saturday, June 02, 2001 = 6:58 PMSubject: Installing Nicro solar = vent in Westy?I want to install the 4" Nicro solar = vent in my '86 Westy. I'veseen some discussion on the list but = no specifics.Seems best to cut the hole in my = existing vent material, butI have the double-walled vent, so = that doesn't seem practical.I'll cut the hole in the roof if necessary.Anybody have advice on this? =TKA,Steve