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Q: Can you apply this over painted ends of fascia boards to prevent dry rot?

I have been using this product for almost 20 years. (see my review). I doubt if using it over 'painted' wood would be of value as you want the polycarbonate to penetrate into the end grain. I have facia boards that have been in place for more than 15 years and they show no signs of decay. I live in Mobile, AL. We get over 60 inches of rainfall a year. On facia work, I install clear, pressure treated wood. Once the ends are cut, I liberally treat the end grain. I then prime both sides of the board, including the cut, with an oil base (alkyd) primer. Lastly, I overcoat with one coat of the finish paint. Then I assemble and put the finish coat on the outside. Yes, it is a lot of trouble but years later the facias are still in like new condition.

Q: My question is two part: 1st; is this product clear? 2nd; has anyone used it for stabilizing small wooden pieces under vacuum?

Yes it is clear. Yes I have used it under vacuum on 3/4 X3/4 X2 1/4 inch pieces of wood. I make wood pens. DO NOT use it after you drill the hole and put in the brass tube. I does dissolve the epoxy glue. I left my vacuum over night.

Q: Can this be injector through carpet into a bad spot of wood?

This product loves to attack literally degrade and melt many plastic and man made materials as well as rubber like substances especially if they also have a plastic polymer in their formulation. Anyway carpet often has polyester and urethane materials not to mention foam backings or some kind of material painted over the back to stabilize it. This product most likely would attack all of those. Pull your carpet up from the edges rolling it back to where the wood needs treatment. Once it's dry and smoothed out then roll the carpet back and rent a stretcher to reapply the carpet properly back into place. Buy extra nail board if that was used along the sides of wall tow all carpet. Or glue strips of that was used instead. You also run the risk of super glued down carpet that hardens and sets to the wood and when you would need to replace the carpet it would tear bits of wood if not chunks of wood up with it as you tear the carpet or attempt to tear it out. So the best answer directly to your question is "NO." Treat the wood not the carpet.

Q: Is this water soluble?

It acts similar to CA (superglue) in that it displaces the water in the wood. Definitely not water soluble as water tends to increase the reaction time.

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Description

🛠️ Transform your wood’s future—don’t let rot win!

MOISTURE BARRIER - Seals wood to prevent further rot and damage
RAPID REINFORCEMENT - Strengthens decayed wood fast with a quick-dry liquid formula
PREPS FOR PERFECTION - Creates a rock-hard base ready for wood filler and finishing
VERSATILE APPLICATION - Perfect for windowsills, doors, floors, decks, and furniture
DEEP PENETRATION POWER - Special resin binds and reinforces wood fibers from within

Minwax 41700000 High Performance Wood Hardener is a clear, quick-drying liquid designed to penetrate and reinforce decayed or rotting wood. Its special resin formula seals out moisture and hardens wood to a solid base, ideal for both interior and exterior surfaces like doors, floors, and furniture. This 1-pint solution prepares wood for further repair, ensuring long-lasting durability and protection.

Specifications

Color	Clear
Brand	Minwax
Surface Recommendation	Wood
Material	Wood
Model Name	High Performance Wood Filler
Size	1 Pint
Coating Description	Liquid wood hardener with special resin binder, quick drying, penetrates deep, reinforces decayed wood, seals moisture, hardens. For interior and exterior wood surfaces.
Item dimensions L x W x H	7.25 x 2.69 x 2.69 inches
Item Weight	0.41 Kilograms
Finish Type	Matte
Style	Hardener
Recommended Uses For Product	Exterior, Interior
Liquid Volume	16 Fluid Ounces
Number of Items	1
Manufacturer	Minwax
Unit Count	16.0 Fluid Ounces
Global Trade Identification Number	00027426417007, 00274264170070
UPC	027426417007 783961079475
Part Number	41700000
Item Weight	14.4 ounces
Product Dimensions	7.25 x 2.69 x 2.69 inches
Item model number	41700000
Is Discontinued By Manufacturer	No
Finish	Matte
Item Package Quantity	1
Measurement System	Metric
Coverage	Windowsills, Doors, Woodwork, Floors, Decks and Furniture
Batteries Included?	No
Batteries Required?	No
Warranty Description	Warranty

Have a Question? See What Others Asked

Can you apply this over painted ends of fascia boards to prevent dry rot?

My question is two part: 1st; is this product clear? 2nd; has anyone used it for stabilizing small wooden pieces under vacuum?

Can this be injector through carpet into a bad spot of wood?

Is this water soluble?

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