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Roof insulation

Thermal insulation

Roof insulation

Stone or glass wool on the attic floor or between rafters, with vapour control and breathable underlay for a condensation-free roof.

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When do you need it?

  • The top floor overheats in summer and is cold in winter
  • The attic is unused and uninsulated
  • The attic is being converted to living space
  • When the roof covering is being renewed

Layer build-up

Roof insulation
  1. 4Breathable underlayBelow the coveringView product →
  2. 3Stone wool blanket (2 layers)Cross-laidView product →
  3. 2Vapour control layerOn the warm side
  4. 1Ceiling slab / raftersStructure
Layers are listed bottom-up; details are finalised per project after survey.

Process

Step by step

  1. 01Survey and measurement

    Our technical team measures moisture on site, inspects existing layers and details, takes dimensions and photos.

  2. 02System selection and quote

    Based on the survey we prepare a written quote with the system and layer-by-layer materials and labour.

  3. 03Preparation

    The attic is cleared, wiring checked and walkways planned.

  4. 04Laying

    Two layers are laid at right angles without gaps; eaves ventilation is kept open.

  5. 05Inspection and handover

    At completion we carry out a water test or visual inspection and hand over a photo report and written warranty certificate.

Products in this system

FAQ

How effective is attic insulation?

A large share of heat escapes through the roof; attic insulation is among the cheapest measures with the fastest payback.

Will condensation occur?

With vapour control on the warm side and a breathable underlay on the cold side, condensation risk is eliminated.

Can the attic still be used?

Yes, with walkways or an OSB platform over the insulation for storage.

Projects

Recent jobs

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