What Uldal AS does

Uldal AS is a Norwegian manufacturer of windows and doors, founded in 1942 and headquartered in Birkeland, Agder. The company produces three material categories — wood (trevinduer), aluminium-clad wood, and PVC — across nine window types (Toppsving top-swing, Sidehengslet side-hinged, Innadslående inward-opening, Fastkarm fixed frame, Sidesving side-swing, Topphengslet top-hinged, Kombinasjon combination, Hjørnevindu corner, and EI30 fire-rated variants), together with balcony doors, sliding doors, and accessories. Technical specification is anchored by SINTEF Teknisk Godkjenning TG20550 — an extended approval beyond the standard NDVK certification and reportedly the only window approval covering installation with pre-mounted weatherproof tape — alongside NEMKO PS1621 fire certification, PEFC sustainable forestry chain-of-custody, BREEAM HEA 02 and MAT 02 documentation, EPDs, and a 30-year warranty against fungus and rot on wood/wood-alu products. U-values span from 0.5 (3-layer argon-filled) to 2.7 (2-layer).

The business model is exclusively indirect: Uldal sells only through an authorized dealer network of approximately 15+ Norwegian builders' merchants (Bauhaus, Byggmakker, Maxbo, XL Bygg, Optimera, Neumann, Byggtorget, Byggvell, Byggern, Gausdal, and others), supplemented by a pro-facing webshop and a consumer-facing webshop for replacement parts. There are no direct sales to private consumers. The primary customer segment is Norwegian builders, contractors, and carpenters (the specifier channel), with end-users (homeowners, holiday-property owners) reached indirectly through dealer installations.

Uldal is a wholly-owned subsidiary of Byggma Group, a diversified Norwegian building materials conglomerate, sharing group-level IT, marketing infrastructure (BYGGMAgasinet magazine), and corporate functions. The company employs 37 people, all operations are domestic to Norway, and the management team consists of a Managing Director, Product Manager, district sales managers across Eastern, TVB, Agder, and Rogaland-Hardangerfjorden regions, plus marketing/sales coordination, customer advisory, warehouse, and service functions.

Name

Uldal AS

Legal name

Uldal AS

Website

https://uldal.no

Company type

Private

Founded year

1942

Operating status

Operating

Headcount range

11–50 employees

Short description

Uldal AS is a Norwegian manufacturer of wood, aluminium-clad wood, and PVC windows and doors, founded in 1942 and serving Norwegian builders and homeowners exclusively through a nationwide authorized dealer network as a subsidiary of Byggma Group.

Ownership category

akta.pro rank

Product category

Windows and Doors Manufacturing

NAICS

Wood Window and Door Manufacturing (321911)

SIC

Lumber & Wood Products (No Furniture) (2400), Metal Doors, Sash, Frames, Moldings & Trim (3442)

akta.pro primary industry

Exterior Doors (IMADAIAA)

Keywords

• Wood window manufacturing
• PVC windows and doors
• Aluminium-clad windows
• Window installation solutions
• Norwegian window manufacturer

Headquarters

HQ city

Birkeland

HQ country

Norway

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Operations, Marketing or Sales

Revenue model

1. Windows and Doors (Tre, PVC, Tre/Alu): Uldal manufactures and sells windows and doors in wood, PVC, and aluminium-clad wood. Products are sold exclusively through authorized dealer networks (builders' merchants) and through their pro webshop. No direct sales to private consumers.

Pricing tiers

Go-to-market motion3 records

Distribution channels3 records

Marketing channels7 records

Core offering

Uldal AS manufactures and sells windows and doors in wood (tre), PVC, and aluminium-clad wood, adapted to Norwegian weather conditions. The portfolio covers multiple window types (Toppsving, Sidehengslet, Innadslående, Fastkarm, Sidesving, Topphengslet, Kombinasjon, Hjørnevindu, Brannvindu EI-30) and balcony doors. Products are sold exclusively through authorized dealer networks across Norway (Bauhaus, Byggtorget, Byggmakker, Maxbo, XL Bygg, etc.), with no direct sales to private consumers.

Product overview

Uldal AS is a Norwegian manufacturer of windows and doors established in 1942, headquartered at Birkeland and part of the Byggma Group. The product portfolio consists of three main material categories: wooden windows (trevinduer), aluminium-clad wooden windows (trevinduer med aluminiumsbekledning), and PVC windows and doors (PVC-vinduer). Within each material category, Uldal offers distinct window types including Toppsving (top-swing), Sidehengslet (side-hinged), Innadslående (inward-opening), Fastkarm (fixed frame), Sidesving (side-swing), Topphengslet (top-hinged outward), Kombinasjon (combination), Hjørnevindu (corner), and Brannvindu EI-30 (fire-rated). Balcony doors (balkongdører) are offered across all material types. Accessories (tilbehør) include handles, hinges, storm hooks, child safety locks, and vents. A digital Energy Calculator (Energikalkulatoren) is available on the website. Products are sold exclusively through a network of trade retailers (not direct to consumers) including Bauhaus, Byggtorget, Byggmakker, Maxbo, XL Bygg, Neumann, Optimera, and others. The company provides technical documentation, mounting instructions, certifications (SINTEF TG20550, NDVK, PEFC, CE marking), and FDV documentation for all products.

Differentiator

Problem solved

Functional benefit

Products and services

• Toppsving i tre (Top-swing wooden window) A top-hinged wooden window that swings outward up to 180 degrees, allowing easy cleaning and maintenance from inside. Features ventilation position and one handle for opening/closing. Standard with child safety lock, white hinges, and aluminium handle. For builders and homeowners specifying traditional top-swing windows.
• Sidehengslet i tre (Side-hinged wooden window) A classic side-hinged wooden window available as multi-frame units, supplied with electroplated hasp and exterior storm hook. Can be delivered with side-swing fittings for easier maintenance. For builders seeking traditional side-hinged windows.
• Innadslående i tre (Inward-opening wooden window) A two-function inward-opening window operated with a single handle; the frame can be tilted or swung in for easy maintenance and cleaning. Child safety lock is required on second floor. For buildings where outward-opening is not practical.
• Fastkarm i tre (Fixed frame wooden window) A sleek, modern fixed-frame window available in all sizes and shapes, used where no opening is needed or in combination with other window types to form a composite window. For large glazing areas and combination installations.
• Sidesving i tre (Side-swing wooden window) Similar to side-hinged but with an additional feature allowing the window to swing sideways for safe and comfortable maintenance and cleaning. Available as multi-frame windows. For buildings requiring easy maintenance access.
• Topphengslet i tre (Top-hinged outward wooden window) A simple, traditional top-hinged window supplied with electroplated hasp and exterior storm hook. Often used for garages and basements but suitable for all parts of the house, including in combination windows.
• Kombinasjon i tre (Combination wooden window) A composite window combining fixed frame and top-swing or side-hinged sections, allowing multiple opening and fixed configurations in a single unit. Maximum dimensions up to 3990 x 3990 mm. For large custom window installations.
• Hjørnevindu i tre (Corner wooden window) An elegant corner window providing excellent views, with an interior corner profile as small as 15 x 15 mm. Options include functional glass, ventilation, and aluminium cladding. For modern architectural projects with panoramic views.
• Brannvindu EI-30 i tre (Fire-rated EI30 wooden window) Approved fire-rated windows available in top-swing, fixed frame, and combination configurations. Products are tested at approved testing institutions and certified by NEMKO. For buildings with fire safety requirements.
• Trevinduer med aluminiumsbekledning (Aluminium-clad wooden windows) All wooden window types available with aluminium exterior cladding for reduced maintenance. The aluminium cladding requires no painting and only light washing to keep the windows clean over the years. For coastal and weather-exposed installations requiring low maintenance.
• PVC-vinduer (PVC windows) PVC (vinyl) windows in various styles including inward-opening, fixed frame, tilt-and-turn, and PVC balcony doors. Low-maintenance alternative to wood, suitable for weather-exposed coastal and high-traffic urban locations. For buildings requiring minimal maintenance.
• Balkongdører (Balcony doors) Two-leaf and single-leaf balcony doors in wood, PVC, and aluminium-clad variants. Options include BR55 threshold, through-going 65mm glazing bar, 2-way inward opening, and height-adjustable hinges introduced January 2016. For residential buildings requiring balcony access.

Quantifiable outcome

• U-value 0.76 for 3-layer glass (Uldal 3-lags u-verdi 0.76)
• +3 more outcomes

Named customers5 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

Feature12 records

Partnerships

Ten partnerships are on record, tiered parent company, core and minor.

• Byggma Groupparent companyOthersUldal AS (Org.nr. 947 895 788) is a wholly-owned subsidiary of Byggma Group (Org.nr 979 165 285). Uldal benefits from the group's expertise in building materials and shares resources such as IT infrastructure, GDPR administration ([email protected]), and group marketing (BYGGMAgasinet magazine).
• Authorised Dealer Network (Norway)coreChannel Partner/ Reseller/ DistributorUldal sells exclusively through authorised dealer chains across Norway including Bauhaus, Byggeriet, Byggmann, Byggtorget, Byggfag, Bygghjemme, Gausdal, Byggern, Byggmakker, Byggvell, Maxbo, Monter, Neumann, Optimera, XL Bygg, Snekkern, Vinduspesialisten, Lovdal Trevare, and others. This is Uldal's sole distribution channel for their main products.
• SintefcoreOthersSINTEF has issued Uldal Technical Approval TG20550 for Uldal windows and doors, covering production control, air and water tightness, U-value calculations, and environmental substances. Uldal is the only window manufacturer with approval for their installation solution with pre-mounted weatherproof tape.
• NEMKOminorOthersNEMKO provides product certification for Uldal's fire-rated windows and glass walls with fire resistance (PS1621, EI30).
• Glass- og Fasadeforeningen (Glassportal)minorOthersUldal participates in the Glass and Facade Association's certification scheme and references their glass guides. Their glass information is partially sourced from Glass & Fasadeforeningen.
• NDVK (Norsk Dør- og Vinduskontroll)coreOthersNDVK is the Norwegian Door and Window Control scheme. Uldal holds current NDVK certification, demonstrating compliance with Norwegian industry quality standards.
• PEFC (Programme for the Endorsement of Forest Certification)minorOthersPEFC chain of custody certification for Uldal's wood products, ensuring sustainable forest sourcing. Certificate valid through March 2026.
• Sørbø Industribeslag ASminorOthersRecommended third-party supplier for hardware/accessories that were part of Uldal products delivered before 2009 and are no longer in Uldal's catalog.
• Ellefsen Sikkerhet ASminorOthersRecommended third-party supplier for lock cases for balcony doors from 1993-2004.
• Boyesen og Munthe ASminorOthersRecommended third-party supplier for miscellaneous window hardware and fittings for legacy Uldal products delivered before 2009.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Gilje Trevare AS: Norwegian wood window and exterior door manufacturer based in Vindafjord. Direct peer to Uldal: same domestic-Norway go-to-market via builders' merchants, same wood-and-alu-clad product positioning, and comparable builder/contractor customer base.
• H-Produkter AS: Norwegian manufacturer of windows and exterior doors in wood and aluminium-clad variants, serving the same builders' merchant channel. Direct peer to Uldal in product category and Norwegian trade-led GTM.
• NorDan AS: Norwegian manufacturer of wood, wood/alu, and PVC windows and exterior doors, headquartered in Egersund. Closely comparable to Uldal in product mix, material breadth, dealer-led Norwegian distribution, and target builder/contractor segment.
• Lian Trevare AS: Norwegian manufacturer of wooden windows and exterior doors, family-owned with heritage comparable to Uldal. Direct competitor in the Norwegian trade channel, offering similar wood-based product lines to the same builder and homeowner segments.
• Viking Window AS: Norwegian window manufacturer producing wood, alu-clad, and PVC windows for residential and commercial projects. Closely comparable to Uldal on product category, material range, and Norwegian dealer-led distribution model.

Others

• Nynas (Byggma Group sister brand, wood windows): Sister brand within Uldal's parent Byggma Group operating in the Norwegian window and door space. Included as a within-group comparable rather than an independent peer: shares infrastructure with Uldal but competes for the same trade-channel shelf space and contractor specification.

Broad incumbents

• Saint-Gobain Norway: Global building materials group with a Norwegian presence distributing windows, glass, and facade products through builder merchants. Comparable to Uldal as an incumbent competitor in the same Norwegian trade channel but as part of a far broader portfolio.
• Inwido AB: Sweden-listed European window and door group owning multiple Scandinavian brands (including Norwegian brands). Comparable to Uldal as a window/door competitor with overlapping Scandinavian customer base but operating at much larger scale across multiple countries.
• Jeld-Wen Norge: Global windows and doors group with a Norwegian operation, offering a broad portfolio of wood, composite, and aluminium-clad windows. Comparable to Uldal as a competing supplier in the same Norwegian dealer channel but with materially broader geographic and category reach.

Emerging players

• VELUX Norge: Danish-founded skylight and roof window specialist with Norwegian operations, present in the same builder merchant channel as Uldal. Comparable as a window-adjacent player with overlap in residential roof/wall openings, though narrower in product scope than Uldal's full vertical window and door range.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutu.be/frrr9AL5uxY
• LinkedInlinkedin.com/company/uldal-as

Compliance9 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles12 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 Uldal AS