For greater insulation and ventilation
It is a subframe whose header acts as a ventilation system.
It allows air to circulate between the different rooms of the home, whilst also guaranteeing the acoustic insulation of the partition wall where it is installed.
Therefore, it is achieved, improve indoor air quality and comply with the requirements of the new CTE (Technical Building Code) which in its section HS3 “Indoor air quality” makes it compulsory to install ventilation systems in dwellings.
Main Characteristics of the Aerating Sub-frame
The special feature offered by the pre-frame with ventilator is that it is not a device that is incorporated into the frame or the door, nor does it require any installation. It is the wooden head of the subframe itself that, in addition to performing its proper function, simultaneously acts as a trickle ventilator.
Therefore, the dimensions of the sub-frame and the door are not modified, unlike other solutions on the market. Once the architraves and the door jamb are fitted, the header is completely invisible, meaning no unsightly gap is visible in the door frame and the traditional finish is maintained.