How much Gloss Varnish do i need to properly coat an 18"x24" Canvas?

There is a formula for paint coverage on YouTube that specifies the number of ounces/grams needed to cover a canvas. I'm not sure if it would answer your needs, but here it is. Measure your canvas height and width then multiply them by each other to get the square inches. Multiply the square inches by 0.1 to get the ounces needed to cover your canvas. To convert to grams, multiply the ounces by 28. This is only a rough guide as the paint consistency will affect coverage, i.e., the thinner the paint, the fewer ounces needed.

What is the effective difference between normal matte medium and the matte fluid medium?

The normal matte medium will only produce a matte effect on the paint. The matte fluid medium will give the same matte effect, but will also lessen the viscosity of the acrylic paint you’re mixing in making it thinner and slightly more transparent (depending on the amount of medium added).

can it withstand high heat ?

Yes it will but I wouldn't put it outside in the direct sun. You would need a varnish for that.

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Modeling Paste

Product ID: 126775161

Details

Brand
Liquitex
Color
Modeling Paste
Finish Type
Matte
Item Volume
1.07 Fluid
Paint Type
Acrylic
Size
1 Count (Pack

💧100% waterproof

🪨stone-like matte finish

🕰️24h dry time

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Description

🎨 Elevate your art with texture that speaks volumes!

DURABLE MATTE FINISH - Dries to a hard, stone-like surface that you can sand or carve for custom effects.
SCULPT WITH PRECISION - Build rich 3D textures with a thick, easy-to-shape acrylic paste.
SHRINKAGE FREE LAYERS - Apply thin coats and cover loosely to avoid cracks—perfect for flawless sculptural builds.
READY TO USE WATERPROOF - Economical, dependable, and ideal for indoor or outdoor creative projects.
VERSATILE ARTISTIC MEDIUM - Mix with acrylics or paint over with oils, watercolors, or pastels once dry.

Liquitex BASICS Modeling Paste is a 250ml acrylic putty designed for artists seeking to create durable, textured 3D effects. It dries in 24 hours to a hard, opaque white matte finish that can be sanded or carved. Waterproof and versatile, it can be tinted or painted over with multiple mediums, making it a must-have for professional and aspiring creatives alike.

Specifications

ASIN	B07LC1LH9L
Age Range Description	Adult
Best Sellers Rank	#2,503 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #79 in Art Paints
Brand Name	Liquitex
Color	Modeling Paste
Color Code	Not Available
Container Type	Tube
Coverage	Opaque
Customer Reviews	4.7 4.7 out of 5 stars (10,366)
Dry Time In Hours	24
Finish Type	Matte
Full Cure Time	72 Hours
Global Trade Identification Number	00887452031451
Included Components	Modeling Paste
Indoor Outdoor Usage	Indoor
Is Waterproof	True
Item Form	Paste
Item Type Name	Modeling Paste
Item Volume	1.07 Fluid Ounces
Item Weight	0.69 Pounds
Manufacturer	ColArt Americas
Model Name	BASICS
Model Number	1041009
Paint Type	Acrylic
Part Number	1041009
Size	1 Count (Pack of 1)
Special Features	Ready to use, waterproof
Specific Uses For Product	Interior/Exterior
Surface Recommendation	Stone
UPC	887452031451
Unit Count	1.0 Count
Water Resistance Level	Waterproof

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Q221

Duties & taxes included

In stock

Sold byAmazon GuatemalaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Guatemala.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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