Boracare or cellu-treat

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Forum topic by RonLud posted 03-05-2020 10:07 PM 447 views 1 time favorited 9 replies Add to Favorites Watch
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15 posts in 228 days

03-05-2020 10:07 PM

So, I contacted nisus. about boracare and treating my ppb infestation…just asking for some details.. and they actually recommended cellu-treat. Same active ingredient.. in powder form. 25 # for 95. And mixing 1-2 pounds per gallon.. seems a much cheaper way to go. Especially when my wood is only 1 inch thick, and I’ll spray both sides. It’s not suppose to leave a residue, and like boracare not have any affect on finishing. Any opinions on this out there?

9 replies so far

View cracknpop's profile


446 posts in 3198 days

#1 posted 03-06-2020 03:15 AM

I too am interested in other’s experiences. I have a couple 100 board feet of 5/4 poplar that I certainly suspect PPB infestation. Was thinking of either making some Adirondack chairs for around our fire pit or just using it as firewood.

-- Rick - I know I am not perfect, but I will keep pressing on toward the goal of becoming all I am called to be.

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Matt Rogers

112 posts in 2819 days

#2 posted 03-06-2020 11:46 AM

Heating is the best treatment. Find a local kiln and take everything there, throw out or burn the bad stuff.

Or go the way I did and get a 20’ shipping container, line the inside with 3” foam, put in some baseboard heaters and crank it up to 160 degrees until the wood is 130+ interior temp.

I unfortunately had way too much wood at the time and I loaded up the container 7 times, but have not seen a bug come back in 5 years. But I also have better indoor storage for my wood. I got lucky that I found the infestation just as I was building my new shop, so it all got treated before coming inside. The rest stayed in the container and seems to be doing well in there. The doors seal enough that it must be keeping the beetles out. Or at least hiding the wood from them that hey just fly past and don’t try to crawl inside to investigate. Luckily if I pull some out of the container that seem to be reinvested, I can just put it back in and turn on the heat to kill them again.

-- Matt Rogers, and

View RonLud's profile


15 posts in 228 days

#3 posted 03-06-2020 06:52 PM

I had both poplar and oak stored in the same storage building.. the ppb went wild on the poplar. And left the oak pretty much alone. The oak is slightly affected so I want to protect it. Thus the question. But my poplar had it so bad, I burned it all. I have found that thevcellutreat is the same product as timbor. And people have said its better to use the boracare than the timbor. Plus, I have no access to heat my wood. I believe it will be boracare.

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15 posts in 228 days

#4 posted 03-15-2020 04:47 PM

So, me and 3 gallons of boracare and a Saturday later.. I didnt get it all covered. I have ordered another gallon. but I had no problems mixing or spraying. I think I must have put it on to heavy as it should have covered .. I will finish spraying. Wait a month or two. And cut a sample piece to see how well it actually penetrated. And then plane and stain and top coat just to see how it affects the finish process.. I will post some pics.. so.. I hate that it will take a couple months but I want to make sure to have given it enough time to penetrate and dry out. .. stay tuned

View Robert's profile


3940 posts in 2330 days

#5 posted 03-16-2020 01:28 PM

I also used the liquid Boracare 1:5 dilution maybe overkill but is as mentioned it doesn’t go that far.

If you do use Boracare I recommend mixing it in a bucket rather than sprayer. It is very viscous and I had issue with the wand getting clogged.

I’ve already decided next time I’m using the powder.

-- Everything is a prototype thats why its one of a kind!!

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15 posts in 228 days

#6 posted 03-16-2020 03:33 PM

I used the liquid as its suppose to penetrate better. But as far as fumes go. Better have a respirator, I sprayed inside my storage building, and it still makes me choke if I go in there. But it’s only been a couple days.. hoping that all goes away as it fully dries.

View therealSteveN's profile


6252 posts in 1424 days

#7 posted 03-16-2020 04:36 PM

I’m of 2 minds depending on how bad, and how much I love the wood.

1) It would all make a really nice toasty fire, Marshmallows, Hot Dogs, Family…..

2) Kiln drying, where after spending your $$$$$ You know the little bastiages are cooked. A fella could spray a Million $$$$ worth of XYZ on the boards. You aren’t gonna see the little suckers running off waving a flag, so when the soup dries, you may hear them chewing some more. That spray stuff has way too much faith involved in it. I use up all my faith in the guy who created those evil little buggetts. Mysterious ways, yes indeed.

-- Think safe, be safe

View RonLud's profile


15 posts in 228 days

#8 posted 06-04-2020 11:59 PM

So. After a month. My oak has returned to it’s normal rough cut color. And the smell seems to be gone.. but now wait.. 2 more months .. so total of 3.. and the temperature here hit 90. I go into my woodshed .. and there is that smell again. Maybe it’s going to take some good summer heat to full bake the smell out of this oak. So if you use it… be prepared for the smell.. But… no more bugs, at least not yet.. pretty hopeful that I got them all. Jury is still out on if it’s going to be usable. Again.. stay tuned.. we will see if that 300 on boracare was just a waste and I lose the wood because of the smell. But odorless.. I dont think so. At least not when you spray both sides and stack and sticker it in a shed. It may just take a long time since there really isnt much air movement. Hope the summer heat bakes it out.

View farmfromkansas's profile


219 posts in 464 days

#9 posted 06-05-2020 01:42 AM

I bought a a 50 lb bag of Solubor, 20 mule team borax product, same chemical as Timbor, mix one pound with one gallon of water, roll on. Coat all ends edges, and flat surfaces. I plan to coat the wood as it comes off the mill. Tired of ash and elm, locust ruined by PPB. Available at farm supply stores. They spray cotton bales to keep bugs out of the cotton. My local coop ordered it. cost 79.50 per 50 lb bag. Some guys say mix it with hot water.

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