07:59PM | 10/17/10
Member Since: 10/14/10
1 lifetime posts
Does anyone know a way to prevent wasps from nesting under my TREX deck?

Is there something I can wash my deck down with that will run between the spaces and uder the boards and discourage wasps from nesting under the boards?

I can not get underneath the deck, must do it from the top only, thanks.


11:34PM | 01/03/11
Member Since: 12/20/10
130 lifetime posts
I've had people swear by the Waspinator. It's sold at our local farm store but I've never tried it myself. It works on the belief that wasps don't like to make nests near other wasps and supposedly works up to 20'.

I've also heard that WD 40 will drive them off but I've never heard of anything but the waspinator preventing them from building them in the first place.


01:06PM | 05/07/14
Hi Denver,

where you able to find a solution for this. I have the same issue.




12:07PM | 04/29/15
It seems the Trex railing system has small holes running along the underside of the bottom or the railing - I suppose for drainage - but the bees love those holes. I have bees making nests in my Trex Railing all summer.
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