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Thermal and sound Insulation Solutıons

Wooden Roof, Under-Tile Thermal Insulation

Thermal insulation on under-tile flooring is applied with two different techniques. Thermal insulation under the roof tiles is the most important criterion. 20-25% of heat losses occur on roofs. That's why under-tile thermal insulation is very important. Our izoBOZZ FeltBi felts provide very effective thermal insulation.


• Breathes. It does not cause moisture.

• Does not cause wasting.

• Easy to apply.

• It can be worked on easily. It does not break or deform.

• It is healthy.

Wall Sound Test : Rw 52.5 dB.
Thermal conductivity value: λ 0.0331.
Fire Reaction Class: B-s1,d0
Water Vapor Permeability: 4.2
Apparent Density Determination (kg/m3): 67.1
Thickness Class: T1

*The values stated above are valid for the izoBOZZ FeltBi 15mm product.

FZ-1515mm1000 g/m²1m x 15mRoll
FZ-2020mm1500 g/m²1m x 3mPlate


* For the products Technical Specifications (TDS) please click the Code of Products.

  • Uygulama yapılacak zemin temizlenir.
  • izoBOZZ FeltBi keçeleri yan yana serilir.
  • Üzerine şap atılır.

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