---
product_id: 103211646
title: "1K High Build Primer Spray Paint - 12 Oz Grey - Automotive Sandable Primer for Metal, Plastic, Fiberglass - Direct to Metal - Easy Sanding for Auto Paint"
brand: "custom shop"
price: "VT13025"
currency: VUV
in_stock: true
reviews_count: 8
category: "Custom Shop"
url: https://www.desertcart.vu/products/103211646-1k-high-build-primer-spray-paint-12-oz-grey-automotive
store_origin: VU
region: Vanuatu
---

# Direct-to-metal adhesion Easy sanding finish 144 sq ft coverage 1K High Build Primer Spray Paint - 12 Oz Grey - Automotive Sandable Primer for Metal, Plastic, Fiberglass - Direct to Metal - Easy Sanding for Auto Paint

**Brand:** custom shop
**Price:** VT13025
**Availability:** ✅ In Stock

## Summary

> 🚗 Elevate your restoration game with the primer pros trust!

## Quick Answers

- **What is this?** 1K High Build Primer Spray Paint - 12 Oz Grey - Automotive Sandable Primer for Metal, Plastic, Fiberglass - Direct to Metal - Easy Sanding for Auto Paint by custom shop
- **How much does it cost?** VT13025 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/103211646-1k-high-build-primer-spray-paint-12-oz-grey-automotive)

## Best For

- custom shop enthusiasts

## Why This Product

- Trusted custom shop brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Flawless Foundation:** High build formula fills imperfections for a smooth, professional finish.
- • **Sanding Made Simple:** Sandable primer lets you perfect your surface before topcoat—no stress, just finesse.
- • **Spray with Precision:** Flat fan nozzle delivers wide, even coverage for effortless application.
- • **Pro-Grade Compatibility:** Works flawlessly under most automotive topcoats for lasting, showroom-quality results.
- • **Universal Bonding Power:** Bonds seamlessly to metal, plastic, fiberglass, and urethane surfaces—no prep needed.

## Overview

Custom Shop 1K High Build Primer Spray Paint is a 12 oz grey automotive primer designed for superior adhesion to metal, plastic, and fiberglass. Its high build, sandable formula fills minor surface imperfections and provides a smooth base for topcoats. Featuring a flat fan nozzle for wide coverage and direct-to-metal application, it’s the go-to primer for professional-grade auto restoration and refinishing projects.

## Description

Buy Custom Shop 1K High Build Primer Spray Paint - 12 Oz Grey - Automotive Sandable Primer for Metal, Plastic, Fiberglass - Direct to Metal - Easy Sanding for Auto Paint: Primers - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Used on my paramotor propeller! - This stuff was awesome. Check my youtube channel under rule1dontgosplat. I painted my dull black prop with candy blue and it looks amazing. Paint cans did not clog, spray went on smooth and easy. Would recommend for anyone trying to jazz up boring parts.
Review: Perfect for Auto Painting - Good stuff. The high build feature allowed me to fine-sand out minor imperfections before applying base coat.

## Features

- Superior Adhesion: Custom Coat high build primer surfacer for automotive use; Bonds strongly to steel, aluminum, fiberglass, SMC, and urethane painted surfaces; Professional-grade metal primer spray paint for car restoration projects
- Easy Application: Flat fan high atomization nozzle provides large fan pattern; Delivers excellent coverage with auto primer spray paint; Direct to metal primer requires no preparation; Convenient 12 ounce spray can
- Versatile Formula: Works as primer paint for cars, metal primer, plastic primer spray paint, and wheel primer; Perfect for auto body primer applications; Adheres to flexible or rigid substrates; Grey primer spray paint for all surfaces
- Professional Results: Automotive primer with excellent filling properties; Creates smooth foundation for paint; High build formula fills minor imperfections; Sandable primer automotive grade for perfect finish; Grey color ideal for any topcoat
- Perfect Foundation: Compatible with most automotive paint refinish topcoats; Primer filler spray paint creates ideal surface for painting; Self etching primer properties for metal surfaces; Automotive grade quality for lasting results

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07M9Z8D6V |
| Best Sellers Rank | #283,270 in Automotive ( See Top 100 in Automotive ) #119 in Automotive Primers |
| Brand | Custom Shop |
| Color | Gray |
| Color Code | #808080 |
| Coverage | 144 square feet |
| Customer Reviews | 4.4 4.4 out of 5 stars (424) |
| Date First Available | December 28, 2018 |
| Exterior | Aluminum,Metal,Painted,Steel |
| Finish Type | Semi-Gloss |
| Included Components | painting |
| Indoor/Outdoor Usage | Outdoor |
| Is Discontinued By Manufacturer | No |
| Is Waterproof | False |
| Item Form | Aerosol |
| Item Volume | 12 Fluid Ounces |
| Item Weight | 0.01 ounces |
| Item model number | SP-448 |
| Manufacturer | Custom Shop |
| Manufacturer Part Number | SP-448 |
| Package Information | Can |
| Paint Type | Acrylic |
| Product Dimensions | 2.65 x 2.65 x 9.5 inches |
| Size | 1 Pound (Pack of 1) |
| Special Feature | Easy Sanding |
| Special Features | Easy Sanding |
| Specific Uses For Product | Interior/Exterior |
| Surface Recommendation | Metal |
| UPC | 848849000368 |
| Unit Count | 16 Ounce |
| Water Resistance Level | Not Water Resistant |

## Product Details

- **Brand:** Custom Shop
- **Color:** Gray
- **Finish Type:** Semi-Gloss
- **Item Volume:** 12 Fluid Ounces
- **Paint Type:** Acrylic
- **Size:** 1 Pound (Pack of 1)
- **Special Feature:** Easy Sanding
- **Specific Uses For Product:** Interior/Exterior
- **Surface Recommendation:** Metal
- **Unit Count:** 16 Ounce

## Images

![1K High Build Primer Spray Paint - 12 Oz Grey - Automotive Sandable Primer for Metal, Plastic, Fiberglass - Direct to Metal - Easy Sanding for Auto Paint - Image 1](https://m.media-amazon.com/images/I/71l-MV3zLTL.jpg)

## Available Options

This product comes in different **Item Package Quantity** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Used on my paramotor propeller!
*by T***S on January 2, 2026*

This stuff was awesome. Check my youtube channel under rule1dontgosplat. I painted my dull black prop with candy blue and it looks amazing. Paint cans did not clog, spray went on smooth and easy. Would recommend for anyone trying to jazz up boring parts.

### ⭐⭐⭐⭐⭐ Perfect for Auto Painting
*by J***M on November 15, 2025*

Good stuff. The high build feature allowed me to fine-sand out minor imperfections before applying base coat.

### ⭐⭐⭐⭐⭐ you get what you pay for
*by L***I on July 30, 2025*

direct to raw metal. sands great

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**Shop now:** [https://www.desertcart.vu/products/103211646-1k-high-build-primer-spray-paint-12-oz-grey-automotive](https://www.desertcart.vu/products/103211646-1k-high-build-primer-spray-paint-12-oz-grey-automotive)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-03-18*