See the Difference
Seamless Line Diffusers vs. Outdated
MINIMALIST DESIGN PHILOSOPHY
INNOVATIVE SQUARE DESIGN
Ventmann Square Diffusers – Where Form Meets Function
Square diffusers are far more than standard air outlets—they are refined design elements that highlight the clean lines and sharp angles of modern interiors. Forget bulky, traditional ventilation grilles. With our Square series, the air distributor becomes a seamless part of your architectural vision, eliminating the need to hide it.
Crafted with precision, these diffusers are designed to complement contemporary spaces while delivering optimal airflow. Multiple units can be arranged to create striking geometric patterns, turning ventilation into a visual feature rather than a compromise.
Specifications:
- 100 mm or 125 mm standard
- 2.40 kg (lightweight gypsum construction)
- Industrial-strength magnets with a 95-year lifespan
- Perfect for modular layouts with strong visual symmetry
Discover how Ventmann solutions can be integrated into your design.
PLINE PRODUCT GALLERY
VENTMANN Performance
Discover our Performance Line
ABOUT PLINE MODELS
Our PERFORMANCE LINE vent diffuser is offered in:
- 625mm standard length – perfect for residential and small commercial spaces Available in 1-slot, 2-slot, or 3-slot configurations Optimized for air conditioning applications requiring precise comfort control
- 1000mm standard length – ideal for medium-scale commercial installations
Available in 1-slot, 2-slot, or 3-slot configurations Enhanced airflow capacity while maintaining Coanda effect performance - 1250mm standard length – designed for large-scale commercial and institutional projects Available in 1-slot, 2-slot, or 3-slot configurations Maximum performance for high-capacity air conditioning systems
Step 1
Line Diffuser Installation Instructions
Pre-position the ventilation duct in the ceiling
void, above, through, or alongside the ceiling
joists. If required, purchase reducer(s) to suit
the size of duct and spigots (by others).
Step 2
Fit temporary batons with plasterboard
spacers that are the same thickness as the
final ceiling plasterboard sheet. Where metal
plasterboard rails are employed, suitable self
tapping screws will be required.
Step 3
Fit pre-assembled* diffuser, plenum box and
spigot(s) on top of temporary batons. Note
that spigot (by others) is surface mounted on
plenum using self-tapping screws and
silicone.
*Using screws provided
Step 4
Fix plenum to upper surface using proprietary
fixings (Unistrut etc) (by others). Fix to
plenum with self-tapping screws. Adjust
height of the plenum so that the face of the
diffuser just touches the top of the batons.
Step 5
Remove temporary batons and plasterboard
spacers. Measure and cut the hole in the
main plasterboard sheet. Lift the
plasterboard sheet to meet the diffuser and
fix in place as normal using plasterboard
screws.
Step 6
From the underside, use a jointing compound
to fill the gap between diffuser and
plasterboard. If required, move magnetic
blocks to desired length and fix in place using
jointing compound. Sand and paint.
Accessories
Our PLINE diffusers come complete with a deflector and the option of a perforated deflector. The deflector can also be removed. Each of these options is represented graphically opposite
