Roto Frank Dachsystem-Technologie

What Roto Frank Dachsystem-Technologie does

Roto Frank Dachsystem-Technologie is the roof window and attic ladder division of the German Roto Frank AG conglomerate, headquartered in Bad Mergentheim, Baden-Württemberg, and operating as Roto Frank DST Vertriebs-GmbH. The company manufactures and sells pivot, top-hung, high-pivot, and flat roof windows under the premium Designo line (R6, R7, R8, i8) and the economy RotoQ line (Q-4 Plus, Tronic QT4), complemented by attic ladders (Bodentreppen), flat roof access solutions, knee-wall doors, and a full accessories range spanning exterior sun protection, interior shading, insect screens, automation, and Smart Home integration. Its core technical differentiation is a 100% plastic hollow chamber profile (Kunststoff-Hohlkammerprofil) with steel reinforcement, introduced in 1995, combined with factory-pre-mounted thermal insulation blocks and triple-glazed units reaching Uw 0.86 W/m²K. Special-application products include the Designo Heat infrared-heated window, smoke and heat exhaust systems, and safety/roof-exit windows.

The company operates a hybrid go-to-market model: direct digital engagement with homeowners (website, blog in 10+ languages, newsletter, social, paid search) combined with a three-tier professional channel of certified craftsmen (Roto Handwerker), specialized dealers (Fachhandel with EDI ordering), and an architect/specifier portal providing CAD/BIM data. The Roto ProfiLiga partner program and RotoCampus training seminars drive installer certification and lead generation. Revenue is generated primarily through one-time hardware sales (windows, ladders, accessories) with secondary recurring revenue from training, replacement parts, and customer service. Pricing follows unit-based non-binding retail recommendations (e.g., Designo R8 Wohndachausstieg from €1,181) with dealers and craftsmen setting final price and installation fees. The company serves DACH markets primarily, with localized presence across 15+ European countries, and reports 221 employees.

Name

Roto Frank Dachsystem-Technologie

Legal name

Roto Frank DST Vertriebs-GmbH

Website

https://roto-dachfenster.de

Company type

Private

Operating status

Operating

Headcount range

101–250 employees

Short description

Roto Frank Dachsystem-Technologie is a German manufacturer of premium and economy roof windows, attic ladders, and roof-access solutions, serving homeowners, certified craftsmen, dealers, and architects primarily across the DACH region and 15+ European countries via a hybrid direct and channel-partner model.

Ownership category

akta.pro rank

Product category

Roof Windows

akta.pro primary industry

Skylights & Roof Windows (IMADAIAD)

akta.pro secondary industry

Windows (IMADAIAC)

Keywords

• Roof windows
• Attic ladders
• Flat roof windows
• Skylight systems
• Building products

Headquarters

HQ city

Bad Mergentheim

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Roof Windows Sales: Primary revenue from manufacturing and selling roof windows including pivot windows (Klapp-Schwingfenster), swing windows (Schwingfenster), and flat roof windows (Flachdachfenster). Products sold through dealers and directly to certified craftsmen for installation.
2. Attic Ladders and Flat Roof Exits: Sales of loft ladders (Bodentreppen), scissors ladders (Scherentreppen), and flat roof exits (Flachdachausstiege) with fire resistance options.
3. Accessories and Equipment: Interior and exterior accessories including sun protection blinds, roller shutters, insect screens, blackout curtains, and smart home automation components for roof windows.
4. Professional Services: Training seminars through RotoCampus (both in-person and online), certification programs for craftsmen, and customer service/maintenance operations.

Pricing tiers

Go-to-market motion3 records

Distribution channels6 records

Marketing channels7 records

Core offering

Roto Frank Dachsystem-Technologie manufactures and sells roof windows (Dachfenster), attic ladders (Dachtreppen), flat roof windows (Flachdachfenster), and related accessories under the Designo, RotoQ, and OnTop brands. The company produces premium pivot, top-hung, and center-pivot windows featuring a proprietary 100% plastic hollow chamber profile with steel reinforcement, complemented by a full accessories range including roller shutters, blinds, and smart home automation.

Product overview

Roto Frank Dachsystem-Technologie is a German manufacturer of roof windows (Dachfenster) and attic stairs (Dachtreppen). The product portfolio centers on two main window lines: the premium Designo series (R6, R7, R8, i8) and the economy RotoQ line. Designo products feature Roto's signature 100% plastic hollow chamber profile with steel reinforcement, while the RotoQ line offers cost-effective alternatives. The offering spans multiple window types including center-pivot (Schwingfenster), top-hung pivot (Klapp-Schwingfenster), high-pivot (Hoch-Schwingfenster), and flat roof windows (OnTop Flachdachfenster). Special application windows include roof exits (Wohndachausstieg), safety exits (Wohnsicherheitsausstieg), smoke/heat exhaust systems (Rauch- und Wärmeabzugsanlage), and the innovative Designo Heat with integrated infrared heating. The portfolio is complemented by attic stairs (Bodentreppen) in folding and scissors configurations, flat roof access solutions, and a comprehensive accessories range covering exterior sun protection (roller shutters, awnings, screens), interior shading (blackout, venetian, pleated shades), and insect protection. Automation options include electric and solar-powered operators with smart home app/voice control. The company supports professionals through the RotoCampus training program, ProfiLiga partner network, and web-based product configuration tools. Key differentiators include the proprietary plastic profile technology, pre-mounted thermal insulation blocks, and the unique Designo Heat heating-integrated window.

Differentiator

Problem solved

Functional benefit

Brands

• Designo: Premium roof window brand featuring pivot-turn and top-hung windows including Designo R8 (pivot-turn), Designo R6 (top-hung), Designo R7 (high pivot-turn), and Designo i8 (comfort window)
• RotoQ
• OnTop
• Roto Campus
• Roto ProfiLiga

Products and services

• Designo R8 Klapp-Schwingfenster Top-hung pivot window combining tilting and swinging opening mechanisms, featuring 100% plastic hollow chamber profile with steel reinforcement for maximum stability and energy efficiency.
• Designo i8 Comfort-Dachfenster Comfort roof window with integrated smart home capabilities and enhanced insulation properties.
• Designo R6 Schwingfenster Center-pivot roof window available in manual and RotoTronic motorized versions with plastic hollow chamber profile construction.
• Designo R7 Hoch-Schwingfenster High-pivot roof window offering increased headroom and viewing angle compared to standard pivot windows.
• OnTop Flachdachfenster Flat roof window system for flat roof applications, available in manual and Tronic motorized versions, including smoke exhaust variant.
• Designo R8 Wohndachausstieg Roof exit window for comfortable roof access with pre-mounted thermal insulation block and triple-glazed premium insulation achieving Uw 0.86 W/m²K. Includes gas springs for easy opening.
• Designo R8 Wohnsicherheitsausstieg Safety roof exit window providing secure emergency egress from roof spaces.
• Designo R1 Wohn-Fassadenanschlussfenster Roof-to-facade connection window for seamless integration between roof and wall structures.
• Designo R5 Rauch- und Wärmeabzugsanlage Smoke and heat exhaust system for emergency ventilation and safety compliance in buildings.
• RotoQ Q-4 Plus Schwingfenster Economy-range center-pivot roof window with standard features for cost-conscious projects.
• RotoQ Tronic QT4 Motorized center-pivot roof window from the RotoQ economy line.
• Designo Heat

Quantifiable outcome

• Energy efficiency: Uw 0.86 W/m²K with 3-fold premium glazing
• +2 more outcomes

Named customers4 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

One partnership is on record.

• PAVATEXminorStrategic or Co-development PartnerJoint seminar offering (Seminar 7.0: Verbundseminar mit PAVATEX) for professional training combining Roto roof windows with PAVATEX insulation solutions. Educational partnership for craftsmen on sustainable building techniques.

Scale indicators4 records

Recent moves6 records

Expansion highlights6 records

Emerging players

• Somfy: French-listed motorization and smart-home controls specialist for window coverings, awnings, and roof windows. Somfy's TaHoma platform overlaps with Roto's smart-home integration value proposition and partner ecosystem.

Others

• Roto Frank AG: Parent conglomerate of Roto DST, headquartered in Bad Mergentheim with broader building hardware/window/door product lines. Not a competitor but the structural parent whose capital allocation decisions shape Roto DST's strategic direction.

Direct peers

• Keylite Roof Windows: UK/Irish roof window manufacturer focused on pitched roof applications. Keylite is a smaller direct competitor in the European roof window market with similar installer-channel dynamics and energy-efficiency positioning.
• Reichmann & Sohn / Weisstaler Metallwerk: German-made attic ladders and loft access products sold in DACH. A direct competitor in the Dachtreppen (attic ladder) category, sharing Roto's reliance on certified installer and dealer channels in the German market.
• Velux Group: Global leader in roof windows and skylights with deep DACH presence. Velux is Roto's primary direct competitor, offering a comparable portfolio of pivot/center-pivot roof windows, flat roof windows, and smart-home-integrated products for residential and commercial applications.
• FAKRO: Polish roof window and loft ladder manufacturer with pan-European distribution. FAKRO directly competes with Roto across pivot/tilt roof windows, flat roof windows, and attic stairs, and serves similar certified-installer channels.

Broad incumbents

• Schüco International: German-based global leader in aluminum, PVC-U, and steel window/door/façade systems. Schüco is a broader incumbent in architectural openings with overlapping DACH installer networks and complementary (rather than direct) product lines.
• Saint-Gobain Building Glass / Habitat solutions: Global building materials conglomerate with glazing, window, and façade systems divisions. Saint-Gobain's Habitat division supplies components (glazing, hardware) used in manufacturing windows and competes indirectly in the broader openings category.

Regional players

• Internorm: Austrian-based premium window/door manufacturer focused on DACH. While Internorm focuses on facade windows rather than roof windows, both share the DACH Mittelstand premium positioning and certified-installer channel.
• Sunlux (Solar Sunlux): Slovak-Italian manufacturer specialized in flat roof and pitched roof skylights. Sunlux overlaps with Roto's OnTop flat-roof-window line and competes in Central/Southern European markets.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/user/RotoDachSolar
• Facebookfacebook.com/rotodachfensterde
• LinkedInlinkedin.com/company/roto-frank-dachsystem-technologie
• Instagraminstagram.com/rotodachfenster

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 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 Roto Frank Dachsystem-Technologie