If you plan to paint the wood too. Should this go under or over the paint

I would use it over any paint or stain. You may want to check the directions on the paint since it may already have wood sealant and protection, but an extra coat of Thompsons would probably add some additional protection. Make sure the paint is completely dry before using the Thompsons.

Does this work on fabric, such as canvas and cotton or nylon?

The label specifically says: Do not use on asphalt, plastic, natuarl rubber or FABRIC, or on painted or recently stained surfaces. It is for wood, concrete, and brick.

I need to weather proof a paper attached to outdoor posting signs. Will this work for me?

This should work well as a lot of mariners use it to waterproof their maps when boating. I would put at least 3 coats on, with a drying time of 1 hour between each coat.

It says it can be used on Any porus surface. Will it work on Field Jacket and Field Pants ????

I would use Scotchgard Heavy Duty Watershield for fabrics on those. It worked on my friend's well-used tent, she'd used it before camping with her grandkids at the lake and it rained.

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Thompsons 10100 Aerosol Water Seal Multi-Surface Waterproofer

Thompsons 10100 Aerosol Water Seal Multi-Surface Waterproofer

Product ID: 302520595

Details

Material
water
Brand
Thompson's
Style
Compact
Item Weight
12 Ounces
Item dimensions L x W x H
6.8 x 6.8 x

💧100% waterproof seal

🚀Fast-drying aerosol spray

🧱Multi-surface concrete & masonry safe

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€ 58.55

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Description

💦 Seal it, shield it, forget it — waterproofing made effortless!

COMPACT CONVENIENT - 12 oz aerosol can for easy, precise application on small projects
CRYSTAL CLEAR FINISH - Invisible waterproofing that preserves natural surface look without residue
ULTIMATE WATER DEFENSE - Seals porous surfaces like wood, stone, brick, and concrete against water damage
CONCRETES BEST FRIEND - Meets ASTM C309 standards for concrete curing, hardening, and dust-proofing
WEATHERPROOF PAINT SHIELD - Acts as a protective under-seal to extend paint life against harsh weather

Thompsons 10100 Aerosol Water Seal is a compact, clear waterproofing spray designed for multi-surface protection. Ideal for porous materials like concrete, wood, brick, and stone, it penetrates deeply to prevent water damage, dust, and wear. Certified to ASTM C309 for concrete curing, it also enhances paint durability when used as an under-seal. Perfect for small projects, this fast-drying aerosol delivers professional-grade weatherproofing with a sleek, invisible finish.

Specifications

ASIN	B000LNTQNI
Best Sellers Rank	#259,978 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #110 in Adhesive Sprays (Industrial & Scientific)
Brand	Thompson's
Brand Name	Thompson's
Colour	Red
Compatible Material	Wood
Customer Reviews	4.5 out of 5 stars 2,980 Reviews
Global Trade Identification Number	00032053101007
Item Dimensions	6.8 x 6.8 x 20.3 Centimeters
Item Form	Spray
Item Weight	12 Ounces
Item dimensions L x W x H	6.8 x 6.8 x 20.3 Centimeters
Manufacturer	Thompsons
Manufacturer Part Number	TH.010100-18
Material	water
Material Type	water
Model	TH.010100-18
Number of Items	1
Style	Compact
Style Name	Compact
Surface Recommendation	Stone, Wood, concrete
UPC	032053101007
Water Resistance Level	Waterproof

Reviews

R**N

8.07.2025

B**N

17.02.2026

P**C

7.10.2023

P**.

4.04.2026

K**R

31.03.2026

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