I have read that only a paint or varnish layer will do the trick, but I'm wondering if there's any oil-based penetrating sealant for cedar that has some ingredient carpenter bees find noxious, so I can discourage them from chewing up my siding and trim. Last summer was really bad, and today they're back.
Wood – is there an oil-based sealant to discourage carpenter bees from eating cedar siding and trim
oil-based-paintsealantwood
Best Answer
They're are insecticides that will keep these flying drill bits from nesting in your eaves. The ones I know of need to be applied by a pro but seem to be good for multiple years.