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T-Vent

T-Vent is a vent for underlay roofs made of molded homogeneous polypropylene (PP). The vent is weather-resistant and age-resistant. The front is equipped with integrated insect and debris protection. The function is highly optimized in design and execution in terms of ventilation capability, water resistance, and installation.

Weather-resistant
Age-resistant
Integrated insect and debris protection
Optimized ventilation capability, water resistance, and assembly

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Product Information

Application Area

T-Vent is intended for battened and load-bearing wooden sub-roofs covered with outer roofs. It functions as a ventilation opening for intake or exhaust air in the ventilation of wooden sub-roofs. Primarily for ventilation gaps in parallel roofs or as openings for ventilating cold attics.

The product can be used to enhance the supply or exhaust air of new or existing roofs. Or completely replace where a so-called sealed eave (non-ventilated) is desired (e.g., for fire technical classification to limit fire spread via the eave, primarily to cold attics.)

In parallel roofs, if a ventilated ridge is not planned, T-Vent can be installed in each truss bay.

Installation

T-Vent is installed 1 - 2 units between each rafter at the eaves or ridge. Double installation is required to completely replace traditional open eaves or fully ventilated ridge. The placement occurs above the wooden substrate and the underlay between the battens above the rafter and the battens in the middle between the rafters.

The installation is done in a drilled hole with a diameter of 83 mm (±2 mm) using the guide rail at the bottom for support. The fastening is done with five mounting screws for external use on the collar/screen of the valve. See further in the installation instructions!

Important!

After the roof is completed, the T-Vent should be protected by the permanent outer roof covering.
The mounting screws should be tightened just enough into the surface so that the screw hole slightly bends downward. Not too tight to crack the material and not too loose!
The mounting screw should be intended for external use and for the specific detail.
T-Vent should not be stepped on/mechanically loaded during or after installation.
The function of installed ventilation ultimately depends on moisture dimensioning for the construction. Consideration should be given to any additional harmful moisture from other building parts, such as defective internal climate barriers (air leakage from the living environment) or leakage from the outer roof!