---
product_id: 491282745
title: "Gray DTM High Build Urethane Primer Surfacer (Direct to Metal) 2.1 VOC (1-1/4 Quart Kit) Fast Dry High-Performance Primer for Automotive & Industrial use Kit includes 1-1/4 Quart"
brand: "custom shop"
price: "114748CFA"
currency: XOF
in_stock: true
reviews_count: 8
category: "Custom Shop"
url: https://www.desertcart.sn/products/491282745-gray-dtm-high-build-urethane-primer-surfacer-direct-to-metal
store_origin: SN
region: Senegal
---

# Fast 3-hour dry time 4:1 easy urethane mix ratio Superior anti-corrosive protection Gray DTM High Build Urethane Primer Surfacer (Direct to Metal) 2.1 VOC (1-1/4 Quart Kit) Fast Dry High-Performance Primer for Automotive & Industrial use Kit includes 1-1/4 Quart

**Brand:** custom shop
**Price:** 114748CFA
**Availability:** ✅ In Stock

## Summary

> 🛠️ Prime Like a Pro, Finish Like a Boss

## Quick Answers

- **What is this?** Gray DTM High Build Urethane Primer Surfacer (Direct to Metal) 2.1 VOC (1-1/4 Quart Kit) Fast Dry High-Performance Primer for Automotive & Industrial use Kit includes 1-1/4 Quart by custom shop
- **How much does it cost?** 114748CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/491282745-gray-dtm-high-build-urethane-primer-surfacer-direct-to-metal)

## 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

- • **Eco-Friendly Low VOC Formula:** Stay compliant coast to coast with a 2.1 VOC that’s tough on rust, gentle on the planet.
- • **Direct-to-Metal Adhesion Powerhouse:** Skip extra primers—bond flawlessly to bare metal, aluminum, fiberglass, and more.
- • **Rapid Dry, Ready to Sand in 3 Hours:** Maximize your workflow with ultra-fast curing that keeps your projects moving.
- • **High Build for Flawless Surface Prep:** Fill imperfections effortlessly with a primer that sands smooth and holds topcoat gloss.
- • **Universal Compatibility with Topcoats:** Seamlessly pairs with major automotive paint brands for professional-grade finishes.

## Overview

Custom Shop Gray DTM High Build Urethane Primer Surfacer is a professional-grade, fast-drying primer designed for direct application on metal and various substrates. Featuring a 4:1 mix ratio and a low 2.1 VOC formula, it delivers superior adhesion, corrosion resistance, and excellent sanding properties. Ideal for automotive and industrial use, this primer accelerates project timelines while ensuring a durable, smooth base for topcoats.

## Description

Custom Shop - Gray DTM High Build Urethane Primer Surfacer (Direct to Metal) 2.1 VOC (1-1/4 Quart Kit) is a professional-grade, high-performance primer system engineered for superior adhesion, corrosion resistance, and durability. Specially formulated to be applied directly to metal surfaces, this Direct to Metal (DTM) urethane primer surfacer eliminates the need for a separate etching or epoxy primer, saving time without compromising quality. Ideal for automotive refinishing, industrial applications, restoration projects, and custom builds, this product delivers outstanding performance in demanding environments. This 2-component urethane primer surfacer provides excellent fill, leveling, and sandability, making it perfect for use over bare metal, fiberglass, body fillers, existing finishes, and properly prepared substrates. The fast-drying formula ensures efficient workflow and minimizes downtime in high-volume shops or individual garages. Once cured, the primer creates a tough, durable surface that resists moisture, chemicals, and UV exposure, laying a strong foundation for basecoats or topcoats. The included kit contains 1 quart of Gray DTM Primer and 1/4 quart of activator, mixed in a simple 4:1 ratio. With its 2.1 VOC compliance, it meets strict environmental regulations, making it suitable for use in low-emission zones while maintaining professional-grade performance. Custom Shop’s commitment to quality ensures consistent results, whether you're spraying a full respray, touch-up, or custom fabrication. Key Features: High-build urethane primer surfacer, Direct to Metal (DTM) application—no epoxy or etch required, Excellent adhesion, fill, and corrosion resistance, Fast drying and easy to sand, 2.1 VOC compliant for environmentally regulated areas, Ideal for automotive and industrial applications, Mix ratio: 4:1 (Primer:Activator), Kit includes 1 Quart Primer + 1/4 Quart Activator.

Review: Great DTM product and seller! - This DTM-B624 Primer worked great and stuck to all surfaces on my 1967 Camaro. It also took base coat really well. The product is great, but the tech support is even better! I called and asked questions multiple times and they were excellent customer service. It was my first full car paint job and I asked basic questions, but they more than wanted the help. I highly reccomend Restoration Shop DTM-B624 primer if you have some sand through and exposed metal, but even more so I reccomend TCP Global Corp and their great customer service!
Review: Great product for the money - ive used this primer once and i love it. I used it on a 90 degree day, using a hvlp harbor freight spray gun, i sprayed at 30psi to the tip and used a 1.7mm needle and tip. the primer was drying before it even hit the car ( due to the 90 degree temp). But even then, it still stuck and created a nice layer of primer. After sanding with 600 grit to get the texture feel out of the primer, it still covered the car and sanded very nicely. Next coat will be sprayed with a 2.0mm tip and needle to help prevent the paint from drying before it hits the car.

## Features

- Custom Shop – DTM Series High Build Urethane Direct to Metal Primer Surfaceris a 4 to 1 Mix Ratio high performance primer specifically designed to be used DTM (Direct to Metal) . DTM Series Primer contains an advanced resin technology system that offers superior adhesion to Bare Metal, Steel, Bare Aluminum, Fiberglass, Gelcoat, Body Fillers and many properly prepared Rigid Plastics and sanded OEM Finishes.
- DTM High Build Primer is Lead and Chromate Free and its formulation contains a rich blend of Anti-Corrosive additives to achieve maximum defense against rust and corrosion while adding the benefit of outstanding adhesion. DTM also offers easy High Build Properties and is a fast dry product. Easy to Sand in as soon as 3 hours
- Custom Shop – DTM Series Primer is great as a DTM primer with an easy 4 to 1 Mix Ratio. And a low 2.1 Voc that can be used Coast to Coast
- DTM Primer Surfacer is Available in Primer Gray with 1-1/4 Quart and 1-1/4 Gallon kits available. Great for Automotive and Industrial applications. DTM is compatible with and can be top coated with most Automotive Paint brands like Custom Shop, Restoration Shop, PPG, House of Kolor, Valspar, etc.
- Custom Shop DTM High Buid Primer Surfacer offers superior sanding characteristics and excellent Topcoat Gloss holdout. Allow prime 2-3 hours drytime before sanding and topcoating.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BJ3328QN |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #297,283 in Automotive ( See Top 100 in Automotive ) #120 in Automotive Primers |
| Brand | Custom Shop |
| Color | Gray |
| Color Code | #808080 |
| Coverage | Anti-corrosive and adhesion protection |
| Customer Reviews | 4.5 4.5 out of 5 stars (149) |
| Date First Available | October 13, 2022 |
| Dry Time In Hours | 3 |
| Finish | Gloss |
| Finish Type | Gloss |
| Full Cure Time | 3 Hours |
| Indoor/Outdoor Usage | Outdoor |
| Is Waterproof | False |
| Item Form | Liquid |
| Item Volume | 1.25 Quarts |
| Item Weight | 4.4 pounds |
| Manufacturer | Custom Shop |
| Package Dimensions | 10.16 x 5.67 x 5.47 inches |
| Package Information | Can |
| Paint Dilution Percentage | 20 |
| Paint Type | Urethane |
| Part Number | CUS KIT-DTM-HB624-QT |
| Size | 32 Fl Oz (Pack of 1) |
| Special Feature | Easy to Use, Fast-Drying, Low VOC |
| Special Features | Easy to Use, Fast-Drying, Low VOC |
| Specific Uses For Product | Interior/Exterior |
| Surface Recommendation | Metal |
| UPC | 840234512661 |
| Unit Count | 32.0 Fluid Ounces |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** Custom Shop
- **Color:** Gray
- **Finish Type:** Gloss
- **Item Volume:** 1.25 Quarts
- **Paint Type:** Urethane
- **Size:** 32 Fl Oz (Pack of 1)
- **Special Feature:** Easy to Use, Fast-Drying, Low VOC
- **Specific Uses For Product:** Interior/Exterior
- **Surface Recommendation:** Metal
- **Unit Count:** 32.0 Fluid Ounces

## Images

![Gray DTM High Build Urethane Primer Surfacer (Direct to Metal) 2.1 VOC (1-1/4 Quart Kit) Fast Dry High-Performance Primer for Automotive & Industrial use Kit includes 1-1/4 Quart - Image 1](https://m.media-amazon.com/images/I/81Mhhg4K6wL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great DTM product and seller!
*by R***E on September 29, 2024*

This DTM-B624 Primer worked great and stuck to all surfaces on my 1967 Camaro. It also took base coat really well. The product is great, but the tech support is even better! I called and asked questions multiple times and they were excellent customer service. It was my first full car paint job and I asked basic questions, but they more than wanted the help. I highly reccomend Restoration Shop DTM-B624 primer if you have some sand through and exposed metal, but even more so I reccomend TCP Global Corp and their great customer service!

### ⭐⭐⭐⭐⭐ Great product for the money
*by R***S on September 3, 2023*

ive used this primer once and i love it. I used it on a 90 degree day, using a hvlp harbor freight spray gun, i sprayed at 30psi to the tip and used a 1.7mm needle and tip. the primer was drying before it even hit the car ( due to the 90 degree temp). But even then, it still stuck and created a nice layer of primer. After sanding with 600 grit to get the texture feel out of the primer, it still covered the car and sanded very nicely. Next coat will be sprayed with a 2.0mm tip and needle to help prevent the paint from drying before it hits the car.

### ⭐⭐⭐⭐ Thick and a little hard to use unthinned
*by U***R on August 20, 2025*

Pretty thick. A 2.0 tip is needed un-thinned. I thinned with acetone @20 percent. 24 hrs later you can dry sand which works better than wet sanding. Primer clogs sandpaper wet or dry but the end result is good. Spraying unthinned is a thick coat and I tried letting it sit a few days with similar results sanding.

## Frequently Bought Together

- Custom Shop - Gray DTM High Build Urethane Primer Surfacer (Direct to Metal) 2.1 VOC (1-1/4 Quart Kit) Fast Dry High-Performance Primer for Automotive & Industrial use Kit includes 1-1/4 Quart of DTM Primer
- TCP Global Premium Paint Mixing Essentials Kit. Comes with 12 Mixing Cups, 6 Lids, 12 Wooden 12" Mixing Sticks, 12 Wooden Mini Mixing Paddles, 12 HQ 190 Mesh Paint Strainers & Paint Can Opener.
- TCP Global 50 Pack of Ultra-Flow Blue Nylon Mesh Paint Strainers with 190 Micron Filter Tips - Premium Cone Screen Filters

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-02-21*