System Three SculpWood Paste Epoxy Wood Filler, 0.5 Gallon Kit

Q: Does it adhere to plastic?

This is for wood try doing a search for plastic epoxy. That should put you in a better direction.

Q: If I use it to repair the top 4 or 5 inches of my porch post, is the paste strong enough to hold a 4X6 beam(beam is on side of post with bracket)?

I have personally used this to repair several areas around my house. I can tell you when it dries it is incredibly hard and durable. You can sand it, so if you don't form it perfectly you can smooth out any bumps. I was able to put screws through it as well. Without seeing the post my answer is this: if you are repairing decay and not the entire top of the post then yes. I would also recommend cleaning up all the rotten or broken wood as possible then spray it with a wood petrifier if damage is due to wood rot. The petrifier will hardened in 24-48 hours, then I would use system 3. The petrifier is relatively inexpensive.

Q: Could you use this in a silicone mold to create replacement carved trim on furniture?

I cant tell you about the paste , but they have the pudy that comes in some different colors and it works great, for making parts and pieces of lots of things including wood. I love to work with this stuff. There is a time limit on it though, but if you are putting it in a mold shouldn't have a problem.

Q: Can this be used on vertical surfaces? A standing wood beam has a crack. Or better to use the putty?

Most epoxy paste or putty would work. If it continues to enlarge, it could crack again. Caulking would allow some movement.

Product ID: 28448547

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Details

Brand
SYSTEMTHREE
Material
Epoxy Resin
Compatible Material
Wood
Item Form
Paste
Special Feature
Waterproof

⏳6-8 hr sandable cure

💧100% waterproof epoxy

🪵perfect wood compatibility

Description

🛠️ Fix it fast, finish it flawless—join the pros who demand perfection!

VERSATILE WOOD FILLER - Ideal for cracks, dings, nail holes, and more
FAST CURING AT ROOM TEMP - Ready to sand in just 6-8 hours—speed your projects
SMOOTH CREAMY 2 PART EPOXY - Effortless application with premium finish
WATERPROOF WEATHER RESISTANT - Built to last on exterior architectural repairs
COMPATIBLE WITH PRIMERS PAINTS - Seamlessly integrates with your finishing workflow

System Three SculpWood Paste is a premium 2-part epoxy wood filler designed for professional-grade repairs. Its smooth, creamy formula cures to a sandable finish in 6-8 hours at 70°F, offering waterproof durability ideal for both interior and exterior wood restoration. Compatible with most primers and paints, this 0.5-gallon kit ensures seamless integration into your finishing process, making it the go-to choice for flawless, long-lasting wood repairs.

Specifications

Brand	SYSTEMTHREE
Material	Epoxy Resin
Compatible Material	Wood
Item Form	Paste
Special Feature	Waterproof
Color	Brown
Item Package Quantity	1
Package Information	Tubs
Item Volume	0.5 Gallons
Viscosity	Medium
Full Cure Time	24 Hours
Water Resistance Level	Waterproof
Unit Count	64.0 Fluid Ounces
UPC	646697002820
Global Trade Identification Number	00646697002820
Manufacturer	System Three Resins, Inc.
Part Number	1610K20
Item Weight	3.7 pounds
Package Dimensions	10.28 x 5.39 x 5.2 inches
Item model number	1610K20
Size	0.5 gallon
Special Features	Waterproof
Included Components	2 Component Paste
Batteries Included?	No
Batteries Required?	No