Here are no holes in the roof mounts.
http://www.ronard.com/34424560.html.
Use the , ronard(4560) , eave antenna mount.
http://www.ronard.com/ychim.html.
Measure around the chimney and use a , ronard(2212) , ronard(2218) , ronard(2224).
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Put the pitch tar pads under the feet of a tripod roof mount and will not leak.
http://www.ronard.com/909911.html.
Use the , ronard(911) , tripod roof mount.
Buy the ronard antenna mounts at ,
http://www.solidsignal.com , or buy from ,
http://www.ronard.com.