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Brand: SEM

SEM High-Build Primer Surfacer, 20 oz. Aerosol, Black

SEM High-Build Primer Surfacer, 20 oz. Aerosol, Black

Regular price $24.82
Regular price Sale price $24.82
Sale Sold out
Shipping calculated at checkout.

10+ available

About this product

The SEM High-Build Primer Surfacer is a versatile, flexible acrylic coating designed for priming a variety of automotive and marine surfaces, including steel, aluminum, plastic, SMC, and fiberglass. This 20 oz. aerosol spray offers excellent filling properties and adhesion, creating a smooth, sandable base for most refinish materials.

Features and Specifications:

  • Color: Black
  • Container: 20 oz. aerosol can
  • Application: 2-3 medium wet coats
  • Flash time: 5-10 minutes between coats
  • Dry time: 1 hour
  • Coverage: 11 sq. ft. at 2 mil DFT
  • Compatible substrates: Steel, aluminum, plastic, SMC, and fiberglass
  • Manufacturer Part Number: 42003
Quantity
  • Secure checkout
  • 21-day return requests
  • Free standard shipping $100+

Product facts

CT SKU
CT-116644
Model / MPN
42003
UPC / GTIN
646786420030
Package dimensions (H × W × L)
3" X 3" X 9"
Package weight
1.6 lb

Specifications

Type
SEM High-Build Primer Surfacer - 20oz Aerosol Can - Black

Fit-sensitive item: confirm measurements, model numbers, and manufacturer details before ordering. Tug & Tow does not guarantee universal compatibility from a product page alone.

Shipping & returns

Request an eligible return within 21 calendar days after delivery. Every physical return requires written approval and an RMA number and must be shipped within five business days after the RMA is issued. The customer pays return shipping for an ordinary return. Tug & Tow provides prepaid return shipping for a verified damaged, defective, short, or incorrect shipment. We do not charge a restocking fee. See Shipping & Returns for eligibility, exclusions, and details.

Fit & compatibility

Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.

Need help choosing?

Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.