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From Manufacturing To Installation: The Journey Of A Roof Window

Key Findings

  • Dakea’s roof windows undergo thorough manufacturing processes for maximum durability and energy efficiency.
  • All Dakea roof windows are crafted using high quality raw materials, and are eco-friendly with sustainable wood sourcing.
  • Dakea products are designed to meet the needs of any project, including specific styles for listed or heritage homes and conservation areas.
  • Professional roof window installers benefit from selecting Dakea as their roof window supplier, with a straightforward product range, excellent technical support, and step by step video instructions on how to install Dakea products.
  • Our selection of roof window products, including flat roof windows and pitched roof windows, offer superior insulation, ventilation, and noise reduction for any room.

As a professional roof window brand of Altaterra, forming part of the VELUX Group which has over 80 years of industry experience as a leading roof window supplier, we at Dakea understand that a roof window is more than just an opening, it’s an important element of a building’s design and functionality.

Whether you’re a housebuilder, installer, architect, or property developer, the journey from selecting the right roof window for your project, to ensuring its correct installation is critical for the products long term performance and optimal energy efficiency.

In this blog we’ll take you through the entire journey of a roof window, from the initial manufacturing process to the final installation, ensuring quality and efficiency every step of the way. We’ll also highlight the key stages involved in crafting our windows and how as a professional roof window brand, Dakea support installers with the tools and resources they need for success.

Bedroom with pitched roof and two Dakea pitched roof windows with blackout blinds opened over a double bed.

The Roof Window Manufacturing Process

As part of the Velux Group, we benefit from more than 80 years of manufacturing excellence and industry leading standards. With all our roof windows confidently backed by a 20-year guarantee when registered, we supply products that combine functionality and long lasting quality.

Our full selection of roof windows are manufactured with exceptional attention to detail. Dakea roof windows provide maximum energy efficiency but also meet the specific needs of professionals and homeowners for any project.

Check out the full breakdown of our unique manufacturing processes for each product line below.

Wooden Roof Window Manufacturing Process

  • Arctic Nordic Pine is selected for its high density and durability
  • Timber is sustainably sourced from FSC® certified forests
  • Timber is laminated for strength and stability
  • Water-based varnish is applied to protect against moisture, UV rays, and rot
  • The finished product is ideal for both modern and heritage properties

Pitched roof kitchen, characterised with wooden beams, naturally lit with three Dakea pitched roof windows.

PVC Roof Window Manufacturing Process

  • PVC profiles are precisely cut to ensure a perfect fit for all roof spaces
  • PVC roof window frames are reinforced with steel for added strength
  • Heat-insulating material is added for improved thermal performance
  • Frames are welded at 250°C, ensuring seamless joints for durability
  • High quality gaskets provide additional insulation and reduce external noise

Two Dakea pitched roof windows providing natural light into loft bedroom, placed above a low sideboard.

Quality Control

At Dakea, quality control is at the heart of everything we do, with all roof windows facing extensive testing to ensure they meet the highest standards of quality and durability.

As part of these rigorous tests, every Dakea roof window undergoes extreme weather simulation and impact testing, including wind tests to speeds of up to 168 km/h, ensuring they can withstand harsh conditions.

Additionally, all Dakea roof windows undergo thermal performance testing to ensure compliance with the latest roof window building regulations. This commitment to quality guarantees that every window produced offers a durable solution for any project, whether it’s for a modern home or a heritage building.

Who Does Dakea Work With?

As a professional roof window brand, Dakea’s partners include a range of key industry players, including housebuilders, distributors and architects. Through decades of collaboration, we have a strong understanding of the unique demands of each professional, whether you’re looking for roof windows that meet specific building regulations or require solutions for conservation areas and listed buildings. Our roof windows offer quality, durable solutions for all types of projects, from new builds to renovations.

No matter the profession, we ensure you are supported every step of the way, providing the tools and resources you need to complete a successful project.

Why Dakea?

Not only does Dakea support professionals with great products but extends this support with practical tools and resources that make work easier on and off site. Including technical specifications, instruction manuals and clear how-to videos.

BIM And CAD Resources For Accurate Planning

Our full range of roof windows are available as BIMS and CAD drawings, helping specifiers and designers incorporate Dakea roof windows into detailed project models and technical drawings.

Technical Documentation That Supports Compliance

Dakea provides full installation guides, thermal performance data, and certification documents to support compliance with UK Building Regulations, including Part L, F, and K.

20% Savings Compared With Other Brands

Dakea’s straightforward roof window design allows us to offer up to 20% savings compared to other brands. By removing unnecessary features that inflate costs, we focus on creating a simple and effective product that delivers exactly what you need for any project.

Further, our streamlined manufacturing process maximises efficiency without compromising on quality, ensuring that professionals get the best value for their investment.

20-Year Guarantee

Our 20-year guarantee for registered roof windows demonstrates the confidence Dakea has in the quality and durability of our roof windows. We stand behind every product, ensuring that our customers have peace of mind knowing that their investment is protected for two decades.

Who are Dakea?

Dakea brings decades of international roof window expertise to UK construction professionals.

We focus on supporting the construction trade with supply chain solutions designed to deliver on time and on budget. Our extensive range covers pitched roof windows, flat roof windows, electric roof windows and much more, ensuring appropriate solutions for every project requirement.

UK professionals can access Dakea products through established distributor networks, with technical support who understand the unique demands of British construction. The combination of international manufacturing capability and local market knowledge makes Dakea a trusted partner for contractors who need reliable, efficient roof window solutions.

Contact Dakea today for technical consultation and competitive quotations, or use our online window configurator tool to identify the optimal roof window solutions for your upcoming projects.

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