Diamond Building Products

What Diamond Building Products does

Diamond Building Products Public Company Limited (DBP, ticker DRT on the Stock Exchange of Thailand) is a Thai building materials manufacturer operating under the ตราเพชร (Tra Phet) brand. The company's product portfolio spans four integrated solution systems: (1) Roofing Solutions including concrete roof tiles, fiber cement tiles, ceramic tiles under the Emerald brand, stone-coated steel roofing, uPVC roofing, and the prefabricated D-Truss steel truss system paired with Diamond SuperSteel purlins; (2) Decoration Solutions combining SPC Solutions (flooring, stairs, FastPanel walls) for interiors with WPC Solutions / XTruShield for exterior wood-substitute applications; (3) Lightweight Construction Solutions built around aerated concrete blocks, Max Block, prefabricated lintels, and integrated ceiling/wall panel/floor structure systems; and (4) Diamond Modular prefabricated structures including Diamond Cafe, Kiosk, Senior Home, and Pet House. Manufacturing is operated under Smart Factory systems, and the company has formalized sustainability initiatives covering waste recycling, energy reduction, greenhouse gas emission reduction, and water reuse. The company also offers professional installation and renovation services for roofing and SPC products.

The company distributes through more than 1,300 dealer branches across Thailand, complemented by all major home improvement retail chains (HomePro, ThaiWatsadu, Global House, Mega Home, Do Home) and an official Diamond Brand Store on the Shopee e-commerce marketplace, with direct enterprise sales supported by a call center. Customer segments include individual residential homeowners (B2C) and real estate developers and contractors (B2B), with recently announced strategic sustainability partnerships with AP Thailand and Sansiri positioning DBP as a core supplier for green residential development pipelines. Revenue is generated primarily through one-time hardware sales of building materials, supplemented by professional installation services revenue, with unit-based retail pricing through dealer and retail channels.

Name

Diamond Building Products

Legal name

Diamond Building Products Public Company Limited

Website

https://dbp.co.th

Company type

Public

Founded year

1985

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Diamond Building Products Public Company Limited (DRT) is a Thai publicly listed manufacturer of roofing, SPC/WPC decoration, lightweight concrete block, and prefabricated modular building systems, serving residential homeowners and real estate developers across Thailand through 1,300+ dealer branches, major retail chains, and Shopee.

Ownership category

akta.pro rank

Product category

Building Materials

NAICS

Roofing Contractors (238160), Roofing, Siding, and Insulation Material Merchant Wholesalers (42333), Other Building Material Dealers (44418)

SIC

Asphalt Paving & Roofing Materials (2950), Prefabricated Metal Buildings & Components (3448)

akta.pro primary industry

Metal Roofing Systems (IMADAFAB)

akta.pro secondary industries

Flashing, Edge Metal & Roof Accessories (IMADAFAJ), Roofing Materials Retail (Shingles, Underlayment, Flashing) (CRAIAEAC)

Keywords

• Roofing materials
• Building materials
• Fiber cement
• SPC flooring
• Prefabricated structures

Headquarters

HQ city

Sraburi

HQ country

Thailand

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Building Materials Sales: Manufacturing and selling of roofing systems (concrete tiles, fiber cement, ceramic, stone-coated steel, uPVC), structural components (steel trusses, purlins), interior decoration materials (SPC flooring/walls/stairs), exterior materials (WPC), and lightweight concrete blocks. Revenue generated through one-time product sales via dealer networks, retail chains, and direct channels.
2. Installation Services: Complete roof installation services and SPC installation services, providing end-to-end solutions for customers including both product supply and professional installation.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels5 records

Core offering

Diamond Building Products manufactures and supplies complete building material systems for the Thai construction market, including roofing solutions (concrete tiles, fiber cement tiles, ceramic tiles under the Emerald brand, stone-coated steel roofs, uPVC roofing, and D-Truss prefabricated steel trusses), interior and exterior decoration materials (SPC flooring/stairs/walls and WPC XTruShield exterior products), lightweight construction components (aerated concrete blocks, Max Block, prefabricated lintels, ceiling/wall/floor elements), and Diamond Modular prefabricated structures (cafes, kiosks, senior homes, pet houses). The company also provides professional roof installation and SPC installation services, distributing through 1,300+ dealer branches nationwide complemented by major retail chains and direct channels.

Product overview

Diamond Building Products (ตราเพชร DBP) is a comprehensive building materials manufacturer and supplier offering multiple integrated product systems. The portfolio centers on four main solution areas: (1) Roofing Solutions including concrete roof tiles, fiber cement roof tiles, ceramic roof tiles (Emerald), stone-coated steel roofs, uPVC roofing, and prefabricated D-Truss steel roof systems; (2) Decoration Solutions combining SPC Solutions for interior flooring, stairs, and walls (FastPanel) with WPC Solutions (XTruShield) for exterior wood substitute applications; (3) Lightweight Solutions featuring aerated concrete blocks, Max Block, prefabricated lintels, and lightweight construction systems for ceilings, walls, and floors; and (4) Diamond Modular for prefabricated structures including cafes, kiosks, senior homes, and pet houses. The company provides complete services including professional installation and renovation, serving residential and commercial construction needs across Thailand through over 1,300 distributor branches.

Differentiator

Problem solved

Functional benefit

Brands

• Emerald: Ceramic roof tiles brand
• Stone-Coated Steel Roof
• D-Truss
• Diamond SuperSteel
• SPC Solutions
• WPC Solutions
• XTruShield
• Max Block
• Diamond Modular
• Diamond Cafe
• FastPanel

Products and services

• Concrete Roof Tiles (กระเบื้องหลังคาคอนกรีต) Concrete roof tiles for residential and commercial roofing applications, part of the roofing solutions system.
• Fiber Cement Roof Tiles (กระเบื้องหลังคาไฟเบอร์ซีเมนต์) Fiber cement roof tiles offering durability and weather resistance for residential and commercial roofing.
• Emerald Ceramic Roof Tiles (กระเบื้องหลังคาเซรามิก Emerald) Premium ceramic roof tiles marketed under the Emerald brand for residential and commercial roofing.
• Stone-Coated Steel Roof (หลังคาเหล็กเคลือบหิน) Stone-coated steel roofing system combining the strength of steel with the aesthetic appearance of stone for residential and commercial roofing.
• Jearanai Roof Tiles (กระเบื้องเจียระไน) Premium handcrafted-style roof tiles for residential roofing applications.
• uPVC Roof (หลังคา uPVC) uPVC roofing sheets for industrial and residential roof applications.
• D-Truss Prefabricated Roof System (โครงหลังคาสำเร็จรูป D-Truss) Prefabricated steel roof truss system for complete roof construction, enabling faster installation with engineered precision. Includes associated steel and aluminum roof framing components and Diamond SuperSteel purlins.
• SPC Solutions (Flooring, Stairs, FastPanel Walls) Stone Plastic Composite (SPC) interior decoration system including SPC flooring, SPC stair treads, and FastPanel SPC wall panel systems for residential and commercial interior applications.
• WPC XTruShield Exterior Solutions Wood Plastic Composite (WPC) exterior decoration products under the XTruShield brand including exterior flooring, ceiling and wall decoration, and broader wood substitute products (flooring boards, stairs, decorative panels, fences, railings).
• Lightweight Concrete Blocks (อิฐมวลเบา) and Max Block Aerated lightweight concrete blocks for wall construction and large-format Max Block variants, offering faster construction, cost savings, and thermal comfort. Includes related prefabricated lintels and lightweight counters.
• Lightweight Construction Solutions Complete lightweight construction system including ceiling panels, wall panels, and floor structure components for efficient building construction.
• Diamond Modular (Prefabricated Structures) Modular construction solution system for prefabricated buildings and structures, including Diamond Cafe (prefabricated modular cafes), Kiosk (retail and commercial kiosks), Senior Home (elderly-friendly prefabricated homes), and Pet House (prefabricated pet houses).
• Roof Installation and Renovation Services (บริการติดตั้งและปรับปรุงหลังคา) Professional roof installation and renovation services for residential and commercial projects, providing end-to-end solutions combining product supply with professional installation.
• SPC Installation Service (บริการติดตั้ง SPC) Professional installation service for SPC flooring, stairs, and wall products for residential and commercial interior projects.

Quantifiable outcome

• 1,300+ dealer branches nationwide
• +2 more outcomes

Named customers4 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Two partnerships are on record, tiered core.

• AP ThailandcoreStrategic or Co-development Partner · 20 March 2026Diamond Building Products has formed a strategic sustainability partnership with AP Thailand to drive the 'sustainability chain'. This partnership positions DBP as a strategic partner in AP Thailand's sustainability initiatives, likely involving green building materials and sustainable construction practices.
• Sansiri (แสนสิริ)coreStrategic or Co-development Partner · 19 March 2026Partnership between Diamond Building Products and Sansiri to elevate housing standards toward sustainable low-carbon society. This collaboration focuses on raising standards for residential living spaces using sustainable building materials and practices.

Scale indicators1 record

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Boral Limited: Major Australian/regional building materials and construction products company with roofing and masonry exposure. Comparable as a broader incumbent in the same product categories, though operating primarily outside Thailand.
• James Hardie Industries: Global leader in fiber cement building products, including roofing and siding. Compares as a broader incumbent in fiber cement roofing — a category where Diamond Building Products has its fiber cement roof tile line.
• Compagnie de Saint-Gobain: Global building materials giant with roofing, insulation, and interior solutions portfolios. Comparable as a broad incumbent across multiple product categories that overlap with Diamond's roofing, lightweight, and decoration lines.

Regional players

• Vanachai Group: Thailand's largest wood-based panel manufacturer producing MDF, particleboard, and related substrates. Compares as a domestic Thai building-materials manufacturer with comparable scale and distribution reach, although focused on wood composites rather than roofing.

Direct peers

• Siam Cement Group (SCG): Thailand's largest building materials conglomerate with a broad portfolio spanning cement, roofing, lightweight concrete blocks (Q-CON), and wall/floor systems. Directly comparable as a multi-category building-materials manufacturer serving the same Thai developer and homeowner customer base.
• Q-CON: SCG's lightweight aerated concrete block brand and Thailand's market leader in aerated blocks. Directly competes with Diamond's Max Block and lightweight concrete block lines for the same developer and contractor accounts.
• Super Block: Thai manufacturer of lightweight concrete blocks and wall systems. Direct competitor to Diamond's aerated concrete block product family, targeting identical residential and commercial construction applications.
• COTTO (Siam Sanitary Ware): Major Thai ceramics manufacturer whose tiles and sanitary ware overlap with Diamond's ceramic roof tile (Emerald) and interior decoration categories. Serves the same residential construction customers in Thailand.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/DiamondBrandTH
• YouTubeyoutube.com/channel/UCJHJxVKPq20IuEQA8-rVUug
• Facebookfacebook.com/DIAMONDBrandOfficial
• Instagraminstagram.com/diamondbrandofficial
• TikToktiktok.com/@diamondbrandofficial
• LinkedInlinkedin.com/company/diamond-building-products-plc

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Diamond Building Products