Foam goes where
a liquid runs off.
Donaldson Farms is a family business making plant-based pest solutions since 2016. This is the direct-treatment end of the carpenter bee range: the repellent keeps them off the wood, this handles the galleries already cut into it.
Carpenter Bee Killer Spray, 16oz
A foaming spray that expands into the gallery behind the hole instead of running off the wood.
Carpenter Bee Corks, 100 pack
The step after treatment: sustainable cork plugs sized to fill the holes so the same galleries are not reopened next spring.
What is in it,
and what is not.
A foaming formula built to expand into a tunnel, made without the harsh chemicals you would normally accept to get that job done.
What treating a
gallery looks like.
Written from the product's own application instructions. Carpenter bee galleries run deeper than they look, which is the whole reason for a foam.
You spot the perfectly round entry
A carpenter bee hole is about the diameter of a finger and usually on the underside of a rail, beam or eave.
The foam expands into the gallery
Aim into the hole and spray until the foam fills it, rather than misting the surface around it.
The formula stays put
The foam clings to the surface for coverage, which is what spares you constant reapplication.
You seal the hole once activity stops
An untreated open gallery is an invitation next spring, which is what the corks are for.
Next to a typical
aerosol bee spray.
The difference is the foam: it stays in the tunnel instead of running back out of it.
Donaldson Carpenter Bee Killer
Compared with general-purpose aerosol insect sprays commonly sold for home use.
The people who
reach for this.
Four situations where the repellent alone is not the tool.
Holes already in the deck
The galleries are cut and you can hear activity inside the rail.
Sawdust under the eave
Fresh frass on the ground under a beam means the tunnel is being extended right now.
Tried a surface spray
A mist ran straight off the underside of the wood and nothing changed.
Wants it handled around family
You want the direct option without bringing harsh chemicals onto a patio.
Questions people actually ask
Why a foam instead of a spray?
Carpenter bee galleries run back into the wood and are usually cut on an underside. A liquid mist runs off; the foaming formula expands into the tunnel and clings to the surface.
Is it safe around children and pets?
It is formulated without harsh chemicals, which is what makes it suitable for use around your family and pets. Use it as directed on the label.
What surfaces can I use it on?
Wood, metal and plastic, so decks, sheds, porches and patios are all covered.
Should I plug the holes afterwards?
Yes, once activity stops. An open gallery is what brings them back the following spring, and the Carpenter Bee Corks are sized for exactly that.
How fast does it ship?
Orders are processed within 24 to 48 hours and ship free anywhere in the US, typically arriving within 3 to 8 days.
What if it does not work for me?
Return it within 30 days of purchase for a full refund. Return shipping is paid by the buyer.
Handle the gallery, then close it.
One 16 oz bottle, free US shipping, and 30 days to change your mind.
Add to cartFree US shipping · Arrives in 3-8 days · 30-day returns