Wedi

What Wedi does

Wedi is a manufacturer of waterproof shower systems, tile backer boards, and related wet-area building products, founded in 1983 by Helmut Wedi in Emsdetten, Germany. The company's core technology is an extruded polystyrene (XPS) foam core with a proprietary waterproof coating, originally commercialized as the wedi Building Panel—the first inherently waterproof tile backer board on the market. This technology underpins a portfolio of modular shower systems: wedi Fundo (pre-sloped shower bases with factory-integrated drains), wedi S-DRY (membrane-based system for new construction and retrofit), wedi Vapor 85 (steam room systems), and wedi PRO-Prep installation accessories, complemented by sealants, membranes, and sub-brands such as wedi BC (Builder Choice) and Sentinel Pro.

Wedi generates revenue through one-time product sales of physical building materials via a two-tier distribution model: authorized wholesale distributors (minimum order $400 net) resell to authorized dealers and contractors, with field-based Technical Sales Support Managers (TSSMs) covering assigned US and Canadian territories to drive specifications and training. The company sells to a horizontal mix of professional installers and contractors (primary), architects and interior designers (AIA CEU audience), commercial builders and developers (hospitality focus including Embassy Suites, Kimpton, DoubleTree, and condominium projects), and DIY homeowners. Pricing is publicly disclosed in the wedi Illustrated Price List, indicating a transparent unit-pricing model with volume negotiated through distribution relationships.

Since 2021, wedi has operated as a subsidiary of the ARDEX Group, a German family-owned building systems conglomerate with $1.1B+ in annual sales, 67 subsidiaries, and operations in 50+ countries, while retaining independent branding and operations. Wedi employs more than 500 people globally, with manufacturing in Emsdetten, Germany and Batavia, Illinois—the latter producing the full product line locally as of 2024 under the "Made in the USA" label, supported by an in-house automated coating line patented by the founder.

Name

Wedi

Legal name

wedi Corporation

Website

https://wedicorp.com

Company type

Private

Founded year

1983

Operating status

Operating

Headcount range

11–50 employees

Short description

Wedi manufactures waterproof shower systems, tile backer boards, and steam room products for professional installers, architects, commercial builders, and DIY homeowners. Founded 1983 in Germany and now a subsidiary of ARDEX Group, the company operates manufacturing in Germany and Batavia, Illinois.

Ownership category

akta.pro rank

Product category

Waterproof Building Materials

SIC

Heating Equip, Except Elec & Warm Air; & Plumbing Fixtures (3430)

akta.pro primary industry

Shower Remodel & Installation (Walk-in, Tile, Glass Enclosures) (HSAPABAB)

akta.pro secondary industries

Bathroom Waterproofing & Leak Remediation (Shower Pan, Membrane, Sealing) (HSAPABAF), Plumbing Fixtures (Faucets, Sinks & Bath Fixtures) (IMADALAA)

Keywords

• Waterproof building panels
• Shower systems
• Tile backer boards
• Steam room systems
• Waterproofing membranes

Headquarters

HQ city

Batavia

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Building Materials Product Sales: One-time product sales of waterproof shower systems, building panels, and accessories through distributor and dealer network. Products include Fundo shower systems, S-DRY systems, Vapor 85 steam room systems, building panels, sealants, and related accessories. Revenue generated from sale of physical goods with pricing based on product type and quantity.

Pricing tiers

Go-to-market motion3 records

Distribution channels4 records

Marketing channels9 records

Core offering

Wedi manufactures and sells modular waterproof shower systems, building panels, and accessories for tiled showers, wet rooms, and steam rooms. Its core product is the wedi Building Panel—an XPS foam core tile backer board with a proprietary waterproof coating—complemented by complete shower systems including Fundo presloped shower bases, S-DRY membrane-based systems, and Vapor 85 steam room systems, sold through authorized distributors and dealers.

Product overview

wedi is a manufacturer of waterproofing products for tiled showers and wet areas, offering complete shower system solutions. The product portfolio centers on four main shower system lines: wedi Fundo (the original presloped shower base system), wedi S-DRY (membrane-based system), wedi Vapor 85 (steam room system), and wedi PRO-Prep (installation system). These are supported by core component products including the wedi Building Panel (the original waterproof tile backer board invented in 1983), along with accessory products such as wedi Subliner Dry, wedi Joint Sealant, wedi 620 Sealant, wedi BC (Builder Choice), wedi PRO-SET, and wedi S-DRY SEAL. All products are designed as modular, interlocking components that fit together in wedi's shower systems, reducing parts and simplifying installation. wedi is a proud part of the ARDEX Group of companies.

Differentiator

Problem solved

Functional benefit

Brands

• wedi Fundo: Original 100% waterproof and mold resistant shower system including curbed, curbless and linear drain styles
• wedi S-DRY
• wedi Vapor 85
• wedi PRO-Prep
• wedi Subliner Dry
• wedi BC
• wedi Sentinel Pro

Products and services

• wedi Fundo Shower System The original 100% waterproof and mold-resistant shower system with factory-integrated presloped floors and integrated drains, available in curbed, curbless, and linear drain styles, for professional installers and commercial builders of custom tiled showers.
• wedi S-DRY Shower System A membrane-based shower system designed for new construction and installation over pre-existing drywall or mortar bed shower floors. Some product lines are exclusively sourced and manufactured in the U.S.A.
• wedi Vapor 85 Steam Room System A 100% water- and vapor-proof steam room system suitable for small steam showers or large steam rooms.
• wedi PRO-Prep & Installation System Installation system products designed to work with wedi shower systems for complete and consistent installation of tiled shower applications.
• wedi Building Panel The original inherently waterproof tile backer board with trademark blue foam core, invented in 1983. The first inherently waterproof tile backer board, still manufactured today, serving as the foundation of all wedi shower systems.
• wedi Subliner Dry

Quantifiable outcome

• Reduced installation error through modular, pre-engineered components
• +2 more outcomes

Named customers8 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

One partnership is on record.

• ARDEX GroupcoreStrategic or Co-development Partner · 1 January 2021wedi became a proud part of the ARDEX family of companies in 2021 to better support future growth. wedi remains independently focused and operating, but is now an active partner working closely with ARDEX companies to use available knowledge and synergies to develop best possible solutions for tile and related industries. ARDEX Group is a global leader in high-performance building systems with $1.1 billion+ annual sales, 67 subsidiaries, around 4,000 employees, and operations in over 50 countries.

Scale indicators6 records

Recent moves11 records

Expansion highlights5 records

Direct peers

• Schluter Systems: Schluter Systems is the leading manufacturer of waterproofing membranes (KERDI), shower systems (KERDI-DRAIN, KERDI-LINE), and tile underlayment products. It is wedi's most direct competitor in modular waterproof shower systems and tile backer boards, serving the same professional installer and contractor channel.
• Laticrete International: Laticrete manufactures waterproofing membranes (Hydro Ban), shower systems, tile adhesives, and grouts. It competes directly with wedi in tile waterproofing and shower installation products for both commercial and residential applications, with a comparable specification-driven GTM motion targeting architects and installers.
• Custom Building Products: Custom Building Products produces RedGard waterproofing membranes, shower systems, and tile installation products. It competes with wedi in the waterproofing and shower system category, primarily through distribution to dealers and home improvement retailers serving professional installers and DIY customers.
• Noble Company: Noble Company manufactures waterproofing membranes (NobelSeal, Chloraloy) and shower accessories for tile installations. It competes with wedi in waterproofing membranes and shower system components, serving similar commercial and residential tile installer markets in North America.
• KBRS: KBRS manufactures pre-formed shower bases, waterproofing systems, and shower accessories for tile installations. It is a direct competitor to wedi's Fundo shower systems, focusing on similar professional installer and DIY renovation markets with comparable modular shower system offerings.
• Tile-Redi: Tile-Redi manufactures pre-formed, pre-pitched shower pans and shower kits with integrated waterproofing. It directly competes with wedi's Fundo line in the modular shower base category, serving both professional contractors and DIY bathroom remodelers through dealer and online channels.
• QuickDrain USA: QuickDrain USA designs and manufactures linear shower drains and associated waterproofing shower systems. It competes with wedi in the curbless/linear drain shower system category, targeting similar hospitality, commercial, and high-end residential renovation projects.

Broad incumbents

• Mapei: Mapei is a global manufacturer of construction chemicals including waterproofing products, tile adhesives, and building systems. It overlaps with wedi's waterproofing category as part of a much broader product portfolio, serving similar commercial and residential channels but with significantly larger scale and geographic reach.
• ARDEX Group: ARDEX Group is wedi's parent company and a global manufacturer of high-performance building systems including tile adhesives, flooring, and waterproofing products. As a strategic owner and adjacent producer, ARDEX is comparable through its overlapping waterproofing and tile installation product categories, though it serves a broader market through 67 subsidiaries.
• ACO: ACO manufactures drainage systems including shower drains, linear drains, and commercial drainage solutions. While its core focus is drainage infrastructure, its shower drain products compete with components of wedi's Fundo shower systems, and it serves similar commercial and residential construction markets.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/playlist?list=PLWUtK9YmwO9f8QHd-cQWEnzfUMBsgmY87
• LinkedInlinkedin.com/company/wedi-corp
• Xx.com/wedicorp
• Facebookfacebook.com/wedicorp

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

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 Wedi