Question 1

Can this be used on painted wood?

Accepted Answer

Well, sort of. To be used correctly, you need to scrape away rotten or damaged wood which naturally exposes bare wood. I used it to restore several rotted exterior window sills that were painted. After the repair and repainting, two years later, they still look great. Good stuff!

Question 2

Do I need to pre-treat my rotted wood "pockets" (after removing debris) before filling with Rotfix?

Accepted Answer

No need to pre-treat. Make sure you've cleaned out as much rotted wood and resulting debris as you can. Then mix the A and B solutions according to the instructions and apply. It really is amazing how the RotFix hardens and strengthens the area. Good stuff! And so is the SculpWood you can follow up with to patch or rebuild the area. Another great product.

Question 3

What is the drying time for this resin?

Accepted Answer

I used it last summer so I cannot recall exactly how long each step took to dry. But certainly, it was within a day or two and I was sanding and shaping the repair. Great stuff, though. Saved me a lot of $$$ over replacing rotten wood. Once painted, you can see no evidence of the repair.

Question 4

does this product contain borate to actually kill dry rot fungus?

Accepted Answer

Dry rot occurs when the wood gets wet, then rots, then dries out. Once dry, the rot does not spread until it gets wet again. Do keep in mind that the porous nature of dry rot readily soaks up moisture and starts back up the rotting process. So it is real important to address the ability for water to get to the wood. That is the only true way to stop the rot. Now, it is true that dry rot is more vulnerable to insect damage - carpenter ants, carpenter bees, and termites. And borate or copper wood treatments will certainly help dissuade them. However, once a wood hardener such as this product is added, that also dissuades them. So I'm not sure how much more the preservative really helps.

ASIN	B0015YJIY4
Brand Name	System Three
Color	Brown
Compatible Material	Wood
Container Type	Bottle
Customer Reviews	4.5 4.5 out of 5 stars (332)
Full Cure Time	72 Hours
Global Trade Identification Number	00646697902014
Included Components	System Three Resins Rotfix Wood Restoration Rot Repair, 24-Ounce
Item Form	Liquid
Item Package Quantity	1
Item Type Name	System Three Resins Rotfix Wood Restoration Rot Repair, 24-Ounce
Item Weight	1.95 Pounds
Manufacturer	System Three Resins
Material Type	Epoxy Resin
Model	646697902014
Number of Pieces	1
Other Special Features of the Product	deep penetration into rotted wood for restoration
Part Number	1500K40
Specific Uses For Product	Woodworking, Repair
UPC	646697902014
Unit Count	24 Ounce
Viscosity Level	Low to Medium
Volume	24 Fluid Ounces
Water Resistance Level	Waterproof

System Three Resins Rotfix Wood Restoration Rot Repair, 24-Ounce

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