




This aerosol primer combines a urethane surfacer and separate activator inside a patented dual-chamber “double shot” can so you get the performance of a shop-grade 2K primer without separate mixing equipment. Once triggered, the can delivers a 24-hour pot life, allowing steady application, then sands to a flat, even surface ready for sealer or topcoat. The adjustable HVLP-style nozzle helps produce a consistent fan pattern, making it easier to lay down even coats on metal, plastic, and fiberglass panels.
The can contains the primer and the activator in separate chambers; pressing the actuator releases and mixes them inside the can so the material is catalyzed at the point of use. This preserves shelf life and gives you fresh 2K chemistry only when you need it, eliminating hand-mixing errors and reducing waste.
Use standard cleaning and scuffing routines before spraying; the primer is formulated to block and fill light surface defects and feathered edges. After curing, it sands easily to a smooth, flat profile that accepts subsequent sealer or color coat without showing sanding marks.
Once the can is activated, you have approximately 24 hours of usable pot life for application; this provides flexibility to complete small to medium repairs in a single session. The extended pot life reduces pressure to rush and allows you to manage multiple panels without needing to open fresh product constantly.
The adjustable HVLP-style nozzle lets you tune the fan width and flow for tight spots or broad panels, promoting even coverage and minimizing runs. This control helps produce a uniform build and reduces overspray, making it easier to get consistent results even without a spray gun.
Who is this for: LiME LiNE 2K Urethane Primer Surfacer Aerosol suits professional technicians and experienced DIYers who need the performance of a catalyzed 2K primer without bulk mixing gear. It’s especially useful for body shops, restoration projects, and mobile repair techs who want a high-build, sandable surfacer in a convenient, portable can. For best results, follow your shop’s prep, application, and safety procedures when using catalyzed primers.
Q: Is this product true 2K or just a single-component primer?
A: It’s a true 2K urethane primer: activator and primer are stored separately and mixed inside the dual-chamber can when triggered.
Q: How long is the pot life after activating the can?
A: After activation you get roughly 24 hours of usable pot life for application and touch-ups.
Free shipping across Canada on every order, with no minimum. Orders are processed within 1 business day and standard delivery across Canada usually takes 2 to 5 business days after processing, with tracking by email. See the shipping policy.
Free 30-day returns. You have 30 days from delivery to start a return. Return shipping is free: email us your order number and we send a prepaid label. See the return & refund policy.
Not sure it fits? Email northtrailauto@gmail.com with your year, make, model and engine and we reply within 1 business day.












