Roof insulation and bitumen roofing for a house in Harderwijk

In Harderwijk, commissioned by D&N Dakwerken, we completely renovated a flat roof. .

Roof insulation and bitumen roofing for a house in Harderwijk

Roofer Harderwijk

In Harderwijk, commissioned by D&N Dakwerken, we completely renovated a flat roof with a new insulation structure and high-quality bitumen roofing. The existing roof structure was in need of renewal, requiring improvements not only to watertightness but also to the roof's insulation value. Therefore, a complete roof structure with tapered insulation was chosen, followed by durable 2-layer bitumen roofing.

The photos clearly show how the project was built up step by step. First, the new insulation layer was installed, after which the first layer of bitumen was carefully applied. Subsequently, the second layer of bitumen was applied to create a strong, watertight, and durable roof structure capable of withstanding various weather conditions.

Slanted insulation for optimal water drainage

Tapered insulation was used in this project. This insulation ensures that rainwater is directed to the drainage points in a controlled manner, preventing water from accumulating on the roof for extended periods. This reduces the load on the roof covering and contributes to a longer lifespan of the entire roof.

In addition to improved water drainage, the new insulation also results in a clear improvement in living comfort. Heat loss is limited, ensuring the indoor climate remains more stable and the home becomes more energy-efficient. The combination of insulation and new roofing thus constitutes a sustainable long-term investment.

Sleek finish with zinc roof edges

After the installation of the bitumen roofing, the roof was finished with a neat zinc edge trim. The photos clearly show that the roof edges connect tightly to the new roof structure, creating a polished appearance. The connections along the facade and other details have also been executed with precision, ensuring that the entire roof forms a single watertight unit.

By paying close attention to both the large roof surfaces and the finishing of the details, a roof structure is created that is not only technically reliable but also looks well-maintained. The combination of tapered insulation, a 2-layer bitumen system, and a durable zinc finish ensures a low-maintenance solution with a long lifespan.

With this roof renovation in Harderwijk, the home once again features an excellently insulated and completely watertight flat roof. Thanks to the new roof structure, the high-quality bitumen roofing, and the sleek finish, the roof is prepared for years of reliable use. Smienk Dakwerken is your partner as a roofer in Harderwijk.

Activities

A roof insulation project was carried out in Harderwijk. Tapered insulation was chosen to optimize water drainage on the roof.

Project details

Free & no-obligation quote

Clarity regarding costs and work within 24 hours

We work with premium brands

For long-lasting results, we work exclusively with proven quality brands, including Monier, Wienerberger, and Bitasco.

What our customers say

Customer experiences

Our customers rate us 4.8 on Google. View their experiences and discover why they choose Smienk Dakwerken.
4.8
Based on 99 reviews
google

Excellent roofing work and craftsmanship. The collaboration went well; often things don't go according to plan on projects, but we resolved it perfectly. Thanks also for the extra service; we got the unblocking of another gutter included, which saves us some climbing around. I look forward to having them back for my next roofing project.

Nick Grotenhuis June 20, 2026
google

We hired Smienk Dakwerken for maintenance on our roof, and we were extremely satisfied. Communication regarding the work and costs was clear from the start. The team worked carefully and left everything clean. The result looks professional and gives us great confidence for the future.

google

Smienk delivered excellent performance in repairing the damage to our flat roof.

Aisa Jansen May 20, 2026

Free & no-obligation quote

Clarity regarding costs and work within 24 hours

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