At this moment i have 2 coats to my truck side step. if i want to add more coating, do i need to spray this on again before i spray the bed liner?

According to raptor you do need to add adhesion promoter if it sits for more than a week. You have to scuff it up add adhesion promoter and then reshoot it.

Does this go on after the Self Etching Primer but before the linner?

Yes, you can apply the promoter before primer and after you can go with primer and then the linner.!

How much area will this cover ?

We used this on a 21’ Chevy Colorado with a 5’2” bed. The kit came with 4 bottles and we used one bottle for each application to cover the whole bed. We did 2 applications and that was very good coverage. We also used the adhesive spray base coat. You have to buy that separately. Hope this helps

How many cans would be needed for two coats on a front bumper?

1 can should do. I used two cans for my whole 8’ truck bed. These cans are pretty full

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Raptor Adhesion Promoter 1K Aerosol, Automotive Spray-On Adhesion Promoter, Prossional-Quality, Easy-to-Use, Clear, 12 oz

Product ID: 70664994

Details

Brand
U-POL
Color
Clear
Finish Type
Matte
Indoor/Outdoor Usage
Indoor
Item Form
Aerosol
Item Volume
450

🎯Uniform flat spray for flawless paint foundation

🔗Compatible with water & solvent-based paints

🛠️Phosphoric acid ester formula for superior adhesion

$64.54

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Description

🚗 Elevate your paint game with Raptor – where adhesion meets perfection!

UNMATCHED SURFACE GRIP - Boosts paint adhesion on galvanized steel & aluminum for pro-grade durability
BUILT TO PROTECT LAST - Forms a tough barrier against lifting and solvent damage, extending paint life
TRUSTED RAPTOR TOUGHNESS - From industry leaders in automotive refinishing, ensuring surface perfection every time
FLAWLESS FINISH EVERY TIME - Sprays flat and even, creating the perfect base for a smooth, professional paint job
VERSATILITY MEETS PERFORMANCE - Seamlessly topcoats with most paint systems, giving you ultimate project flexibility

Raptor Adhesion Promoter 1K Aerosol is a professional-grade, clear spray designed to enhance paint adhesion on challenging surfaces like galvanized steel and aluminum. Its phosphoric acid ester formula ensures a smooth, even application that forms a durable protective barrier, compatible with most water and solvent-based paints. Ideal for automotive refinishing, this 12 oz aerosol delivers a flawless foundation for long-lasting, high-quality paint jobs trusted by industry pros.

Specifications

ASIN	B07DGP6T45
Age Range Description	Adult
Best Sellers Rank	#27,966 in Automotive ( See Top 100 in Automotive ) #40 in Automotive Spray Paint
Brand Name	U-POL
Color	Clear
Coverage	10-15 square feet
Customer Reviews	4.7 4.7 out of 5 stars (1,135)
Finish Type	Matte
Global Trade Identification Number	05010796110710
Included Components	Aerosol
Indoor Outdoor Usage	Indoor
Item Form	Aerosol
Item Volume	450 Milliliters
Item Weight	0.01 Ounces
Manufacturer	U-POL Ltd
Model Name	UP5024
Model Number	UP5024
Part Number	UP5024
Size	12 Ounce (Pack of 1)
Specific Uses For Product	automotive surface preparation, paint adhesion promotion for automotive applications
Surface Recommendation	Metal
Unit Count	12.0 Ounce

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