---
product_id: 491282745
title: "Gray DTM High Build Urethane Primer Surfacer, 1-1/4 Quart Kit"
brand: "custom shop"
price: "€ 147.96"
currency: EUR
in_stock: true
category: "Custom Shop"
url: https://www.desertcart.hr/products/491282745-gray-dtm-high-build-urethane-primer-surfacer-1-1-4
store_origin: HR
region: Croatia
---

# 2.1 VOC Low Emission 3-Hour Dry Time 4:1 Mix Ratio Gray DTM High Build Urethane Primer Surfacer, 1-1/4 Quart Kit

**Brand:** custom shop
**Price:** € 147.96
**Availability:** ✅ In Stock

## Summary

> ⚡ Prime Like a Pro, Finish Like a Boss

## Quick Answers

- **What is this?** Gray DTM High Build Urethane Primer Surfacer, 1-1/4 Quart Kit by custom shop
- **How much does it cost?** € 147.96 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/491282745-gray-dtm-high-build-urethane-primer-surfacer-1-1-4)

## 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-Smart Compliance:** Low 2.1 VOC keeps your projects green without sacrificing pro-grade results.
- • **Fast-Dry, Fast-Track:** Ready to sand and topcoat in just 3 hours—maximize your workflow.
- • **Corrosion Shield Tech:** Advanced anti-corrosive formula locks out rust for long-lasting durability.
- • **Direct-to-Metal Mastery:** Skip the extra steps—prime bare metal with confidence and speed.
- • **Universal Compatibility:** Seamlessly pairs with top automotive paints like PPG, House of Kolor, and more.

## Overview

Custom Shop Gray DTM High Build Urethane Primer Surfacer is a professional 4:1 mix ratio primer designed for direct application on metal and various substrates. It offers superior adhesion, corrosion resistance, and fast drying—ready to sand and topcoat in 3 hours. With a low 2.1 VOC formula, it meets environmental standards while delivering durable, high-build coverage ideal for automotive and industrial refinishing.

## 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.

## 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 |
| Age Range Description | Adult |
| Best Sellers Rank | #98,502 in Automotive ( See Top 100 in Automotive ) #63 in Automotive Primers |
| Brand Name | Custom Shop |
| Color | Gray |
| Color Code | #808080 |
| Container Type | Can |
| Coverage | Anti-corrosive and adhesion protection |
| Customer Reviews | 4.5 4.5 out of 5 stars (160) |
| Dry Time In Hours | 3 |
| Finish Type | Gloss |
| Full Cure Time | 3 hours |
| Indoor Outdoor Usage | Outdoor |
| Is Waterproof | False |
| Item Form | Liquid |
| Item Volume | 1.25 quarts |
| Manufacturer | Custom Shop |
| Paint Dilution Percentage | 20 |
| Paint Type | Urethane |
| Part Number | CUS KIT-DTM-HB624-QT |
| Size | 32 Fl Oz (Pack of 1) |
| Special Features | Easy to Use, Fast-Drying, Low VOC |
| Specific Uses For Product | Interior/Exterior |
| Surface Recommendation | Metal |
| UPC | 840234512661 |
| Unit Count | 32 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 Fluid Ounces

## Images

![Gray DTM High Build Urethane Primer Surfacer, 1-1/4 Quart Kit - Image 1](https://m.media-amazon.com/images/I/81Mhhg4K6wL.jpg)

## Available Options

This product comes in different **Size** options.

## 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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.hr/products/491282745-gray-dtm-high-build-urethane-primer-surfacer-1-1-4](https://www.desertcart.hr/products/491282745-gray-dtm-high-build-urethane-primer-surfacer-1-1-4)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-09-24*