FAQ: pro clima Windtight Systems

To achieve maximum thermal efficiency the insulation must be completely sealed on both sides. The figure below shows an insulated rafter space with a windtight sealed vapour diffusion open membrane (e.g. a windtight layer) on the outside and an airtight layer (e.g. a sealed Intelligent vapour check) on the inside. The insulation is protected against the elements on the outside by the SOLITEX PLUS membrane and against the penetration of indoor air and vapour on the inside by the airtight seal (e.g. vapour check). The construction is now windtight externally and airtight internally, similar to wind breaker over a woolly jumper – perfect!