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PAVADRY is a natural and ecological, thermal insulation board based on wood fibre bonded with an 11 mm OSB3 zero board for dry fit installation. The hygroscopic properties of the wood fibre, ensure a controlled moisture buffering which prevents the formation of damaging moisture. Always consult the local regulations and installation guidelines as well as the manufacturer’s recommended render systems.

Multi-layer insulation board
Moisture buffering properties for a pleasant indoor environment
OSB3 has zero added formaldehyde

Characteristics insulating board

Density [kg/m3 ] 145
Thermal conductivity (λd) (EN 13171) [W/(m.K)] 0,041
Specific heat capacity (c) [J/(kg.K)] 2100
Water vapour diffusion resistance coefficient (μ) [-] 3
Reaction to fire (EN 13501–1) E
Compressive strength at 10 % deformation [kPa] 100
Edge profile straight

Characteristics OSB board

Density [kg/m3 ] 600
Thermal conductivity (λd) [W/(m.K)] 0,13
Specific heat capacity (c) [J/(kg.K)] 1700
Water vapour diffusion resistance coefficient (μ) (EN 12524) [-]
(wet cup) 150
(dry cup) 240


Store the insulation boards on a flat surface, keep dry and protected from sunlight. Stack no more than 4 pallets on top of each other.

Thermal insulation both in summer and in winter

One advantage that is particularly noticeable in winter: thanks to the woodfibre, the home retains its comfortable warmth for a long time, because the extraordinary thermal-insulating characteristics of woodfibre materials avoid heat loss. The natural porosity and the composition of the fibres make the wood a particularly effective insulator.

Thanks to the woodfibre you can enjoy a mild temperature even on hot days. The attics in fact tend to heat up a lot in summer because the roof captures the warmth of the sun on a very large surface. Woodfibre board products have a higher weight than, for example, glass wool and can offer greater resistance to solar radiation (greater heat storage capacity). The daytime heat is then released only in the evening hours, cooler.

Technical Data Sheets

Technical Data Sheet – Pavatex Pavadry

Pavatax Product Range Brochure


ThicknessBoards/palletDimensionsBoard CoverageMass/pallet
51 mm (40 + 11)421180 mm x 560 mm0.59 m²384 Kg
71 mm (60 + 11)321180 mm x 560 mm0.59 m²353 Kg
91 mm (80 + 11)241180 mm x 560 mm0.59 m²315 Kg
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