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Project · Andenne Andenne
Roof renovation in Andenne – 230 m² of natural slate with 12 cm PIR insulation and new VELUX windows in just two weeks
- 230 m²natural slate roof
- 2weeks of work
- 12 cmPIR insulation
230 m²natural slate roof
2weeks of work
12 cmPIR insulation
The project 230 m² of natural slate with 12 cm PIR and new VELUX windows
Natural slate – timeless elegance! Natural slate is a premium roofing material that lasts for decades. It gives a classic, elegant look and is extremely durable. This project shows our experience with natural slate and roof insulation.
- 230 m² of natural slate with a full renovation
How we went about it 3 steps, one point of contact.
Phase 1Insulation and underlay
12 cm of PIR, underlay and vapour barrier for a watertight build-up.
Phase 2Natural slate
230 m² of natural slate, with perfect laying patterns and watertight connections.
Phase 3Finish
New VELUX roof windows, roof edge, gutters and downpipes; dormers insulated.
What we carried out
230 m² of natural slate with a full renovation
- Professional installation of 230 m² of natural slate
- 12 cm of PIR insulation for optimal thermal performance and energy efficiency
- Replacement of the VELUX roof windows for extra daylight and ventilation
- New roof edge (fascia board) for a perfect finish
- Replacement of gutters and downpipes
- Insulation of the dormers
- Underlay and vapour barrier for watertight protection
- An excellent EPC score thanks to optimal insulation
- Fast execution in just two weeks
- A classic look with modern insulation
Natural slate is a premium roofing material known for its durability and timeless elegance. An investment that lasts for decades and gives your home a classic, valuable look. The 12 cm of PIR insulation ensures optimal energy efficiency and comfort.
The result What the renovation delivered.
Timeless elegance
Natural slate gives a classic, elegant look that never goes out of fashion.
Optimal insulation
12 cm of PIR insulation ensures excellent thermal performance and low energy costs.
Fast execution
Just two weeks for a full roof renovation – efficient planning and professional execution.
A durable roof
Natural slate lasts for decades and protects excellently against the weather.
More daylight
New VELUX roof windows provide extra natural light and ventilation.
Added value
A natural slate roof significantly increases the value of your home.
A fine example of craftsmanship. Andenne shows how a natural slate roof can transform a home. The classic, elegant look suits the architecture perfectly, and the 12 cm of PIR insulation makes the home not only beautiful but also energy-efficient.
Grava GroupProject in Andenne
Photos of the project Andenne in pictures.
14 photos — click to enlarge.
Frequently asked questions About this project.
How long does a natural slate roof last?
Natural slate lasts for decades and needs little maintenance — an investment that increases the value of your home.
How long did this roof renovation take?
Just two weeks for 230 m² of natural slate, 12 cm of PIR, new VELUX roof windows and gutters.
Why PIR insulation?
PIR gives the best insulation value per centimetre of thickness — ideal under a roof where space is limited.
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- Phone
- +32 333 20 630
- leads@gravagroup.be
- Address
- Sneeuwbeslaan 14, 2610 Wilrijk
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