Abatron LiquidWood Kit - 2 Quarts - 2-Part Structural Wood Epoxy Resin

Anatron liquid wood and epoxy are simply the best wood repair products out there. Restored 40 wood windows and the repairs have held up for 6 yrs at this point. Easy to work with unlike bondo which has an incredibly short working time. Great product!

Don't bother with a cheaper product for fixing your windows, this is the stuff.

Stuff is great but can take a long time to harden. Mix it with the putty style products to get a more malleable filler. My usual approach is to mix a little in a yogurt cup, paint it on the exposed wood, then mix with their putty product before filling gaps.

I had window sills and porch posts that had rotted from excessive rain water diverted toward them (another issue to fix!) and my own neglect due to family caregiving. They were so rotten, I dispaired over what to do. Replacement would have been prohibitively expensive even if I could have found a carpenter willing to take on the job. Fortunately, my internet search for a solution brought me here. I managed to save both the sills and the porch posts by using these products according to the instructions. I sanded them with a hand sander and painted over them and no one is the wiser. They are strong! I even have nails in a repaired window sill that holds a heavy windowbox filled with soil and plants. I have one word of caution, however. The plastic gloves included with the product were too large and unwieldy for me to work the two parts of the putty together and apply smoothly so I used tighter fitting gloves (latex, maybe?) I bought at a local big box supply store. They were considered to be a medium protective thickness. My hands broke out, turned an angry red, and both hurt and itched like the worst case of poison ivy I have ever had, which for me, is horrible. It lasted several weeks and was only cured when a physician gave my husband a prescription-only cream for a cancer treatment rash side effect he had and I tried it, too. I wouldn't touch this stuff again without the HIGHEST level of chemical glove protection I can buy and even then, would do a small amount as a trial before delving into it for any length of time. I would highly recommend the product as it did a marvelous job, with the caveat to be cautious in handling. Was it expensive? Yes! But it saved many times that amount in the end. I was very relieved to be able to repair catastrophic rot without having to ask for outside help.

This product does what it states which is hardening wood.