PC Products PC-Petrifier Water-Based Wood Hardener, 16 oz, Milky White 164440
Original price was: €16.€10Current price is: €10.





Price: $15.75 - $10.25
(as of Sep 28, 2025 00:08:46 UTC – Details)
Pc-Petrifier Is A Single Component Adhesive, Formulated To Fully Penetrate And Revitalize Rotted Wood. Modern Technology Has Allowed Us To Develop A Water Base Wood Consolidate That Is . Pc-Petrifier’S Low Viscosity Allows Deep Penetration Into Soft Rotted Wood Fiber, Restoring Old Wood To Near Structural Integrity. Seal And Restore Rotted Soft Wood Fibers In Window Sills, Sashes, Frames, Trim, Decorative Beams And Columns, Etc. Pc-Petrifier Can Also Be Used To Prepare Old Wood For Priming And Painting. Apply To Exposed Wood Grain To Protect From Damage. Not For Structural Repairs. If You Have Structural Wood Damage, Please See Our Pc-Rot Terminator. Do Not Use In Conjunction With Pc-Wood Guardian Or Other Borate Products. Conduction (Electric): Non Conductive. Thermal Shock: Excellent. Toxicity: Non Toxic Once Cured. Voc: Not Greater Than 85 G/L.
Is Discontinued By Manufacturer : No
Product Dimensions : 8.25 x 2.5 x 2.5 inches; 1 Pounds
Item model number : 164440
Department : Epoxy
Date First Available : October 21, 2005
Manufacturer : Protective Coating Co.
ASIN : B00081FW1I
Best Sellers Rank: #4,502 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #16 in Wood Filler
Customer Reviews: 4.6 4.6 out of 5 stars 3,932 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Wood Hardener Repairs Wood Damaged By Insects Or Rot
It Is A Liquid That Is Brushed, Sprayed Or Injected Into The Pores Of The Wood
No Mixing
Prepares Wood For Filling, Priming And Painting
Customers say
Customers find the wood hardener works remarkably well, particularly on outside rotten wood and water-damaged plywood. The product hardens even the softest wood and makes it as hard as rock, while being easy to use and apply. They appreciate that it dries clear and hard, wipes up easily, and saves replacement costs. The durability receives mixed feedback – while some say it lasts through entire deck projects, others report it cracking in multiple places.
13 reviews for PC Products PC-Petrifier Water-Based Wood Hardener, 16 oz, Milky White 164440
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Original price was: €16.€10Current price is: €10.
Jeff B –
It really works, AMAZING.
I pressure washed my deck after using deck cleaner to prep for staining. To my surprise I had a couple small sections of my pressure treated deck board with rot spots. The rest of the 10 foot board was perfect, just a 5 in spit of rot. I really didn’t want to replace the board with s new pressure treated board due to the fact I wouldn’t be able to stain it right away, so my deck would look unfinished. After some research I came across this wood hardener. I was very skeptical, because I never heard of anything that could fix rotted wood. I did one coat amd waited 24 hours to check, the rot seems to be someone more dense. After the second coat the rooted section was rock solid, I really can’t believe this product. This product does fix wood rot and I would recommend 2 coats, but it definitely works. I still can’t believe it, a product that stops rot in it’s tracks.
Harry Stavrakis –
Really does harden the rotted wood.
Works beautifully as it always does.
Rave On –
Works for cosmetics repair applications on wood..
Clever. It does work to firm/harden rotten wood for cosmetic repairs, but not structural repairs. You scratch out as much rotten wood as possible, then apply this. Let it dry, then use putty filler or fiberglass, etc.It is actually a type of thinned penetrating wood glue. It doesn’t kill bacteria that is rotting the wood. A simple solution for cosmetic repairs. Not magic.
Tom B –
Very good absorption into rotted wood; water-based makes it so much easier to work with.
Using this to stabilize old rotted timbers on a 100-year-old Tudor-style exterior. I had been using the Bondo wood stabilizer, which is a good product but it’s spirit-based and smells awful and not good to breathe.This product is water based but still manages to absorb into the wood very effectively. Dries overnight (the Bondo product is faster, a couple of hours) You can kind of squirt it on a horizontal surface and brush it in. For vertical surface, I have found that the best method is to pour a little of this stuff into a party cup and use a cheap bristle brush (1 inch artist’s brush works well) and just kind of dab it into the wood.The main purpose of this product is to harden the surface of rotted wood so there’s a stable base for an epoxy putty (bondo or any of the specialty play-doh type putties.) which you use to fill the holes and recreate the shape of the wood. The putty itself is rock hard so it needs something hard to hold on to, otherwise the whole thing would fall apart when you shape and sand the hardened putty.Anyway I like this and the price (while not cheap) seems reasonable. This bottle will probably handle 5 or 5 square feet of wood surface that needs to be treated.
P. T. Keeble –
Seems like a good product.
I used in a tank sprayer on the rotten ends of my redwood deck boards. I’ll see this winter if it actually works. Easy water cleanup.
J. Nguyen –
Easy to use and works well
Easy to use and hardens the rotten joists up well. First I cleared any loose rotten wood. I applied the hardener with a paint brush. It was easy to use and hardens up quickly. Overall I’m very happy with my purchase.
SPendulum –
Budget performance
I’m baffled buy the high rating. I decided to try this over the other brand I typically use, and it’s not as good. It takes about 3 coats to develop any rigidity.
REKS –
Works and Almost No Odor
I am repairing 125 year old rotted wood old growth fir window sills. PC Hardener soaks right into the wood and hardens in a few hours. After it drys you can tell if you missed a spot by sticking your finger nail or a screw driver in to see if in resists. Easy to apply to a horizontal surface. You need a brush for vertical surfaces where it tends to drip or narrower areas like window trim that is fluted. I bought a box of cheap chip brushes to work with the hardener. Virtually no odor! I bought the smaller size 32 oz to see how it worked and how far it would go. Photos are before and after on west and east facing windows and typical of the rotted weathered sills on my house [30″ wide 6″ deep] with deep cracks, some of which go almost al the way trough 2″ thick wood. One 32oz container hardened four window sills and the 24oz PC Woody epoxy filler set was enough to fill those four sills. Easy to clean up spatulas and hands with denatured alcohol. Easy to sand the epoxy with 80 grit sandpaper. It feels like a great surface to paint too.
Amazon Customer –
I sanded as much as possible with some opaque outdoor wood stain remaining on the window sills to be treated. Then I brushed on the product which seems to soak ok into the wood. But looking at the treated sills a year later, I notice that the product has lifted parts of the remaining stain, meaning that I have to redo the job. I think I will stick with 2 part epoxy. Too bad, I liked the simplicity of this product.
Linda Gollop –
Works very well used it on woodworm damaged wood and rotten exterior wood. Takes longer to dry then solvent based products but has almost no smell so is brilliant to use indoors. Expensive but goes a long way. Won’t be using solvent based hardener indoors ever again.
Klaus-Jürgen Malheur –
Ich suchte schon immer einen guten Härter. Ich mache in meiner Freizeit Papier Schmuck, und dafür suchte ich einen guten Härter um meine Schmuckstücke Alltags tauglich zu machen. Mit diesem Holzhärter hat es nach langen ausprobieren mit anderen Produkten endlich geklappt.Er Riecht nicht unangenehm und trocknet sehr schnell
Rosemarie Smith –
i love this stuff. i do quiling and it makes all my creations go from paper to a stiff almost like wood,
Margi –
Clean-up Tip for PC-Woody 2-pt epoxy â Wear disposable gloves. Use nail polish remover (acetone based) to clean working tools. (You can also use denatured alcohol). As soon as youâre finished using the 2-pt epoxy, wet a paper towel with nail polish remover and wipe your tools (metal or plastic); the sticky epoxy immediately melts away.In 2010 I first used PC-Woody petrifier and 2-pt epoxy filler to repair a cedar fence post and cedar gate which were splitting. Also, the screws for the gate hinges & latches were loose and falling out due to the cedar softening from old age (26 yrs). I applied 2 coats of the petrifier solution to harden the deteriorated sections and then filled the areas with 2-pt epoxy. Worked great â now 5 yrs later in 2016, the posts and screw holes are still hard as rock and the hinges & latches havenât budged. In 2011 the fence was painted with 2 coats of water-based exterior solid stain which covered the repaired areas very well; still looks good today.This year my rough-cedar exterior stairs has tiny vegetation growing on top of the top two treads, as well as on top of my cedar picnic table. I have no idea what type of plants they are (could be lichen), but they have bright tiny orange/yellow flowers with short white roots. Warning â get rid of plant growth in wood as soon as you see it! Unfortunately, if left too long the vegetation eats and rots the wood from inside out making it soft and spongy. I sprayed twice with 50/50 bleach & water solution to kill the vegetation and covered the area with plastic to keep out the rain. After the vegetation died, I dug out the soft rotted wood portions, which left huge voids in the treads. I applied 3 applications of PC petrifier which hardened the rotted sections. Using a plastic putty knife/spatula, I filled the voids with PC 2-pt epoxy on 3 different days in order to build up the damaged area and allowed the epoxy to dry 24-hrs between each application. The epoxy is now hard as rock ready to sand and paint. After sanding with coarse-grit sandpaper, I painted using Benjamin Moore water-based solid stain, which covered the repaired areas without any problem. The stain on the repaired areas dried slightly lighter than the wood, but itâs by far a vast improvement over the rot-damaged look. The finished top tread looks a bit rougher in grain texture, rather than totally smooth, but I needed the rest of the epoxy to repair the picnic table. Since the stairs are made from rough cedar, Iâm not too concerned, as the wood already has a naturally rough appearance. Time will tell as to whether it will maintain its weight-bearing strength and although the top tread sustained considerable wood rot, it now feels completely solid and safe. For the stairs I used 1 1/3 (16-oz) bottles of petrifier and 1 1/3 (12-oz) cans of 2-pt epoxy; the remainder I used for the picnic table. Overall, Iâm very pleased with the finished result and highly recommend PC-Woody petrifier and 2-pt epoxy for similar repairs.