Would i have to add a thinner to brush it on smoother?

I bought the thinner and did NOT need it for a smooth and shiny application. It is a slow cure/dry process and self levels pretty nicely.

Can I use this primer and the topside paint on the hull of a wood and canvas canoe?

No. You'll need a flexible paint. Contact TotalBoat and ask if there is an additive you could use. The Automotive world has such an additive for painting the flexible bumper covers with enamel.

Can this product be used on concrete?

It probably can, although I would probably choose a product that was intended for concrete

Can it be used on bare cast iron?

I really don't know but I would imagine that it would. We used it on bare treadplate and it worked very well - even better than I expected. After one year of heavy use, it still looks good.

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TotalBoat Marine Topside Boat Paint Primer - White Quart | For Fiberglass and Wood Boats; Ideal Primer for Polyurethane Topside Paint; Brush, Roll, or Spray; Dries Fast & Easy to Sand

Product ID: 24572928

Details

Brand
TotalBoat
Color
White
Finish Type
Flat
Item Volume
947 ml
Paint Type
Enamel Spray
Size
32 Fl Oz (Pack

⚓85-100 sq ft coverage per quart

⏱️Dries in 60-90 mins, ready to sand

🖌️Brush, roll, or spray application

€ 133.12

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚓ Prime Like a Pro, Sail with Confidence!

ONE COAT WONDER - High-solids formula seals surfaces with just one thin coat—save time, skip the hassle.
FAST TRACK FINISH - Dries quickly to a smooth, hard finish ready for sanding in under 90 minutes—get back on the water faster.
APPLICATION FREEDOM - Apply with brush, roller, or spray—choose your tool, no compromises on professional results.
FLEXIBLE DURABLE UNDERCOAT - Formulated to flex with your boat’s movement, preventing peeling and lifting above the waterline.
VERSATILE SURFACE COMPATIBILITY - Perfect for fiberglass, wood, gelcoat, and previously painted topsides—your all-in-one marine primer.

TotalBoat Marine Topside Primer is a premium, one-part marine undercoat designed for above-waterline use on fiberglass, wood, gelcoat, and painted surfaces. Offering 85-100 sq ft coverage per quart, it dries fast (60-90 minutes), sands easily, and provides a flexible, durable base compatible with all 1- and 2-part polyurethane and enamel topside paints. Available in white and gray, it applies smoothly by brush, roller, or spray, ensuring a flawless finish that prevents peeling and lifting—perfect for millennial boat owners who demand efficiency and lasting quality.

Specifications

ASIN	B00HS4YY7G
Age Range Description	Adult
Best Sellers Rank	#14,112 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #15 in Boat Painting Supplies #38 in Primer Paint
Brand Name	TotalBoat
Color	White
Color Code	White
Container Type	Can
Coverage	85-100 square feet per quart
Customer Reviews	4.3 4.3 out of 5 stars (1,086)
Dry Time In Hours	24
Finish Type	Flat
Included Components	Paint
Item Form	Liquid
Item Volume	947 ml
Manufacturer	TotalBoat
Model Number	365387
Paint Type	Enamel, Spray
Part Number	365387
Size	32 Fl Oz (Pack of 1)
Special Features	Quick drying, high structure
Specific Uses For Product	Marine primer for one-part and two-part topside paints. Use above the waterline only.
Surface Recommendation	Wood
UPC	811932020338
Unit Count	32 Fluid Ounces
Water Resistance Level	Not Water Resistant

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