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SPI Adhesion Promoter


The SPI Adhesion Promoter is a top-tier primer designed to simplify your painting process by ensuring exceptional adhesion to clean surfaces without the need for mixing. Ideal for both interior and exterior applications, this versatile product adheres effortlessly to metals, rubber, fiberglass, and all types of plastics. It effectively fills 320 grit scratches and dries quickly, making it perfect for auto body collision repairs.

Compatible with a wide range of coatings including urethane, lacquers, epoxy, primer, sealers, and basecoats, the SPI Adhesion Promoter helps reduce material costs and painting time. Additionally, any excess product can be easily poured back into the container for future use, minimizing waste.


$59.95

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Product Samples

Please note that colors may vary depending on computer and mobile screen color settings. While we do not provide color samples, we do offer small 2oz RTS bottles and 1.5oz metal flake jars for purchase. We strongly advise buying a small amount before starting a large project to ensure the color meets your expectations.

Shipping Warning

At this time, our paints are exclusively available for shipping within the United States, Canada, and Mexico by ground services.

While all our dry goods products can be shipped by plane, it's important to note that hazardous products such as paint are not permitted for air shipment.

Shipping and Delivery

Please allow 1-2 business days for your order to be processed. Once your order is ready to ship, you'll receive an email with the tracking number.

Delivery times vary: within the United States, expect delivery within 2 to 5 days; to Canada, Australia, and the United Kingdom, delivery takes approximately 10 to 16 days; for other countries, delivery may take 15 to 25 days.

Flexible credit available

From Buy Now, Pay Later to our Monthly Payment Plans, we have a range of credit options available.

  • Usage Guidelines
    • Adhesion Test: "If it floats, promote!" Cut a sliver off the backside of the bumper or plastic; if it floats in the Adhesion Promoter, then use the Adhesion Promoter.
    • Shelf Life: 12 months when sealed
    • Surface Prep: Only use Waterborne WG remover; avoid solvent-based cleaners.
    • Coating Time: Ready to coat after 30 minutes, with a maximum window of 1 hour.
    • Top Coating: For best results, top coat with epoxy, or at minimum, a 2k primer.
  • Key Features
    • VOC Level: Under 2.1
    • Application: Ready to spray
    • Packaging: Available in quarts only
    • Material Compatibility: Ideal for TPO, TEO, PE, PP, UR, ABS, and more

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • JCB
  • Mastercard
  • PayPal
  • Shop Pay
  • Venmo
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

SPI Adhesion Promoter

Trusted By Leaders

All our products are being trusted by big company around the world...

... and have established a reputation for reliability and excellence!

Based on 5999 reviews
89%
(5350)
7%
(432)
2%
(103)
2%
(104)
0%
(9)
N
Abyss Black
Nathaniel Martin

As advertised great product easy to spray

Love the blue

This color flake is AMAZING! Originally I was going to just flake the top. Yeah when the flake arrived. Flaked the whole car.

One of the best silver leaf rolls i used

One of the best leaf rolls i used

Works really good

D
Brown Sugar Candy
David Hines
Brown Sugar Candy

Looks great. Can't wait to spray with other base coats.

B
Luscious Purple
Brenda Doering

Love the color

T
Galactic Silver
Timothy Cutsinger

Awesome product

C
Seductive Blue
Chelsea Leatherman
Perfect Blue

This is the most perfect Blue color you can find. It’s gorgeous and bright. I love everything about it. You can’t find a better Blue.

G
Candy Apple Candy
Geo Moreno
Paint

Hands down the best paint I’ve ever used

Great product

Love this color. I get compliments every time I ride.

M
Starlight Metal Flake
Michael Anderson

It looks great at my motorcycle Fender

M
Berry Blast
Melissa

Beautiful color

Reducer

Worked perfectly zero complaints using any of TG’s products other than their lock ring could use instructions on how to remove more easily

YES!! Such a hot color, gonna look so nice on my 57 chevy drop top (rc car)

D
Cosmic Blue
Dan Johnston
AWESOME PAINT!!!!

I PURCHASED THE 4OZ SPRAYABLE... THIS PAINT IS PERFECTLY MIXED AND ABSOLUTELY BEAUTIFUL COLORS!!!

SHIPPING IS EXTREMELY FAST... HIGHLY RECOMMENDED

E
Candy Apple Candy
Elijah Lua
Its very good and very flakey

This candy apple paint is a game changer for any bike project! The color is incredibly vibrant and really pops in the sunlight. Application was smooth and easy, giving my bike a professional looking finish. I've gotten so many compliments on the new look definitely worth the investment

T
Luscious Green
Terrance Laska
Luscious green

Great color and sprayed perfect with airbrush. Will buy again.

D
Cosmic Teal
Deborah Nolan
Awesome paint!

I really love these colors! Looking forward to adding more to my stash of colors!

t
Galactic Silver
tina wilson
great products

great products

J
Candy Apple Candy
JOHN a HOCH

A+

Hands down the best pearls/ metallics to come from a spray can cannot wait to put some material through my IWATA

L
Miami Beach
Larry Rutledge
Airbrush ready!

The ready to spray is just that, I poured it into a airbrush and it sprayed amazing!

J
Candy Apple Candy
Julian Trevizo molina

I love it thank. You

Southern Polyurethanes

SPI Adhesion Promoter

$59.95

The SPI Adhesion Promoter is a top-tier primer designed to simplify your painting process by ensuring exceptional adhesion to clean surfaces without the need for mixing. Ideal for both interior and exterior applications, this versatile product adheres effortlessly to metals, rubber, fiberglass, and all types of plastics. It effectively fills 320 grit scratches and dries quickly, making it perfect for auto body collision repairs.

Compatible with a wide range of coatings including urethane, lacquers, epoxy, primer, sealers, and basecoats, the SPI Adhesion Promoter helps reduce material costs and painting time. Additionally, any excess product can be easily poured back into the container for future use, minimizing waste.

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