Roof

Solution 4

Stratigraphy on cement floor slab with the Ondulit/Coverib multilayer protective sheet as top surface

Solution on a continuous brick slab with a framework of wooden slats, with interposed panels made of sintered expanded polystyrene with high compressive strength when a double layer is used, and cross joints.
The installation of a breathable water-repellent membrane placed above the expanded polystyrene panels, suitable ventilating metal profiles to support the multilayer sheet and a vapour barrier joined to the slab, complete the insulated and ventilated package.

Main advantages

  1. High acoustic performance and thermal shift.
  2. High mechanical strength.
  3. Reduction of heat input to the building thanks to the ventilation and the high reflective power of the sheet.
  4. Effective stratigraphy from the hygrometric viewpoint (interstitial condensation).
  5. Ease of connection with exposed elements or skylights.
  6. Use of lightweight sintered expanded polystyrene insulation.
  7. Very thick insulating layer without thermal bridges.
  8. Internal airtightness (guaranteed by the first sheet placed on the planking).
  9. The presence of a waterproof membrane to protect the insulating layer guarantees its durability, health and constant thermal performance over time.

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Solution 4 technical performance

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Roof composition

Technical data sheet

  1. Fixing system
    Self-drilling screw + gasket

  2. Multilayer protection Coverib sheet

  3. Omega-shaped slotted element

  4. Breathable membrane

  5. Insulating material + 5 b. wooden strip

  6. Vapour barrier

  7. Concrete or cement floor slab

Find out how to integrate this solution with Ondulit liner trays.