Air shafts
Thermal insulation solutions for concrete air shafts that that provide resistance to the formation of condensation assuring the integrity of surrounding wall structures and guaranteeing the overall air quality. Our air shaft insulation systems are non-combustible and will not produce any smoke or fumes in case of a fire.
In the current day and age, ventilation is no longer dispensable in closed off rooms where a multitude of people are together. Ventilation moves outdoor air into a building or a room, and distributes the air within the building or room. The general purpose of ventilation in buildings is to provide healthy air for breathing.
Therefore, it is necessary that fresh air is sucked into the building via separate shafts and channels, and air is also diverted back outside through them as well. The intake openings are mostly located at the top of the roofs of the building or in the upper part of the facade, because the air is relatively clean and no influenced by car exhaust gases.
The fresh air is pushed through concrete shafts to the basement where extensive air treatment or cooling systems are located. The tempered fresh air is led through branched systems into the different rooms. The replaced air leaves the rooms through different channels that lead to an air shaft the pushes it out of the building.
To insulated these shafts you need an insulation material that is vapor tight and does not absorb any moisture. Depending on the weather and time of year the air can be cold, warm or humid.
A closed cell insulation material like FOAMGLAS® insulation will make sure that condensation does not penetrate the system and possibly the walls of the adjacent rooms with the danger of fungus or mold influencing the air quality.
These concrete shafts run through highly populated buildings so opting for a completely incombustible material is a key requirement. In case of a fire, FOAMGLAS® insulation will not add to the fire and will not produce any toxic smokes adding to the overall fire-safety of the building.
Typical configuation
for air shafts:
- A primer
- A single layer of FOAMGLAS® insulation
- The insulation system shall be fully bonded to the substrate with PC® adhesive appropriate for the application conditions.
- A reinforced PC® coating
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