Black Friday Kiln Sale has started! Save up to $500! Ends Cyber Monday. No code needed. Shop Now →

Black Friday Kiln Sale has started! Save up to $500! Ends Cyber Monday. No code needed. Shop Now →

About Us Contact Us Price Match Shipping Risk-free Shopping Customer Reviews

Speedball Art Underglazes

Speedball Art underglazes are versatile ceramic colorants designed for detailed surface decoration and consistent results. Suitable for use across low-fire, mid-range, and high-fire temperatures, Speedball Art underglazes offer reliable color, smooth application, and compatibility with a wide range of clay bodies and clear glazes.

Our Biggest Kiln Sale of the Year - Now Through November 30!

Save up to $500 on orders of $1,500+ that include a kiln.

$125 off orders of $1,500–$2,999.99
$250 off orders of $3,000–$4,999.99
$500 off orders of $5,000 or more

Savings will be applied automatically at checkout. No discount code is required.
Offer details and exclusions

Sort by

View as

Sold out

Speedball Speedball Art Underglaze - Teal

from $5.55

| /

Available in both 16 and 2 ounce containers. To learn all about Speedball Art's line of underglazes, click here! Then, order your favorite colors t...
View full details
Sale

Speedball Speedball Art Underglaze - Medium Blue

from $5.55

| /

Available in both 16 and 2 ounce containers. To learn all about Speedball Art's line of underglazes, click here! Then, order your favorite colors t...
View full details
Sold out

Speedball Speedball Art Underglaze - Pine

from $5.55

| /

Available in both 16 and 2 ounce containers. To learn all about Speedball Art's line of underglazes, click here! Then, order your favorite colors t...
View full details
Sale

Speedball Speedball Art Underglaze - Carmine

from $7.73

| /

Available in both 16 and 2 ounce containers. To learn all about Speedball Art's line of underglazes, click here! Then, order your favorite colors t...
View full details
Sale

Speedball Speedball Art Underglaze - Black

from $6.72

| /

Available in both 16 and 2 ounce containers. To learn all about Speedball Art's line of underglazes, click here! Then, order your favorite colors t...
View full details
Sale

Speedball Speedball Art Underglaze - White

from $5.55

| /

Available in both 16 and 2 ounce containers. To learn all about Speedball Art's line of underglazes, click here! Then, order your favorite colors t...
View full details
Sale

Speedball Speedball Art Underglaze - Royal Purple

from $8.82

| /

Available in both 16 and 2 ounce containers. To learn all about Speedball Art's line of underglazes, click here! Then, order your favorite colors t...
View full details
Sale

Speedball Speedball Art Underglaze - Leaf Green

from $6.11

| /

Available in both 16 and 2 ounce containers. To learn all about Speedball Art's line of underglazes, click here! Then, order your favorite colors t...
View full details
Sale

Speedball Speedball Art Underglaze - Red

from $8.75

| /

Available in both 16 and 2 ounce containers. To learn all about Speedball Art's line of underglazes, click here! Then, order your favorite colors t...
View full details
Save $15.27

Speedball Speedball Art Underglazes - New Colors Sampler Pack

Original Price $95.41

Current Price $80.14

| /

Test out these brand new color glazes, all in 2 oz containers: Soft Pink, Carmine, Flame Red, Mandarin Orange, Peach, Saffron Yellow, Leaf Green, A...
View full details
Sale

Speedball Speedball Art Underglaze - Robin's Egg

from $8.82

| /

Brand new color! Available in both 16 and 2 ounce containers. To learn all about Speedball Art's line of underglazes, click here! Then, order your ...
View full details
Sale

Speedball Speedball Art Underglaze - Spring Yellow

from $6.72

| /

Brand new color! Available in both 16 and 2 ounce containers. To learn all about Speedball Art's line of underglazes, click here! Then, order your ...
View full details
Sale

Speedball Speedball Art Underglaze - Lilac

from $6.72

| /

Brand new color! Available in both 16 and 2 ounce containers. To learn all about Speedball Art's line of underglazes, click here! Then, order your ...
View full details
Sale

Speedball Speedball Art Underglaze - Emerald

from $6.72

| /

Brand new color! Available in both 16 and 2 ounce containers. To learn all about Speedball Art's line of underglazes, click here! Then, order your ...
View full details
Sale

Speedball Speedball Art Underglaze - Charcoal

from $6.72

| /

Brand new color! Available in both 16 and 2 ounce containers. To learn all about Speedball Art's line of underglazes, click here! Then, order your ...
View full details
Sale

Speedball Speedball Art Underglaze - Pink

from $6.11

| /

Available in both 16 and 2 ounce containers. To learn all about Speedball Art's line of underglazes, click here! Then, order your favorite colors t...
View full details
Sale

Speedball Speedball Art Underglaze - Medium Green

from $6.11

| /

Available in both 16 and 2 ounce containers. To learn all about Speedball Art's line of underglazes, click here! Then, order your favorite colors t...
View full details
Sale

Speedball Speedball Art Underglaze - Saffron Yellow

from $7.80

| /

Available in both 16 and 2 ounce containers. To learn all about Speedball Art's line of underglazes, click here! Then, order your favorite colors t...
View full details
Sold out

Speedball Speedball Art Underglazes - Pastel Colors Sampler Pack

Original Price $85.00

Current Price $71.40

| /

This set is a mixture of classic and new colors from Speedball Art. It includes a dozen testing-sized bottles (2 oz each) of these pastel color gla...
View full details
Save $53.39

Speedball Speedball Art Underglazes - New Colors Deluxe School Pack

Original Price $333.71

Current Price $280.32

| /

This set includes a dozen pint-sized bottles of these brand newer color glazes: Soft Pink, Carmine, Flame Red, Mandarin Orange, Peach, Saffron Yell...
View full details
Save $14.48

Speedball Speedball Art Underglazes - Classic Colors Sampler Pack

Original Price $90.53

Current Price $76.05

| /

Test out these classic color glazes, all in 2 oz containers: White, Yellow, Pink, Royal Blue, Sky Blue, Medium Green, Brown, Black, Gray, Orange, R...
View full details
Sale

Speedball Speedball Art Underglaze - Chocolate

from $5.55

| /

Brand new color! Available in both 16 and 2 ounce containers. To learn all about Speedball Art's line of underglazes, click here! Then, order your ...
View full details
Sale

Speedball Speedball Art Underglaze - Bubble Gum

from $8.82

| /

Brand new color! Available in both 16 and 2 ounce containers. To learn all about Speedball Art's line of underglazes, click here! Then, order your ...
View full details
Sale

Speedball Speedball Art Underglaze - Royal Blue

from $7.73

| /

Available in both 16 and 2 ounce containers. To learn all about Speedball Art's line of underglazes, click here! Then, order your favorite colors t...
View full details

1
2
3
Next