Inward Opening
Windows
Comfort and energy efficiency
Inward-opening windows are a solution popular in continental architecture, offering exceptional functionality and high energy efficiency. Available in three profiles:
IV68
Ideal for standard insulation requirements
IV78
Perfect balance between efficiency and frame strength
IV92
Passive house ready, maximum thermal insulation
Key features:
Tilt-and-turn or side-hung opening function
Internal glazing with high-security beading
High-performance double or triple glazing
Multi-point locks for excellent protection and sealing
Durable multi-layered timber (pine, oak, meranti)
Suitable for both residential and commercial applications
Factory-applied coatings – RAL, NCS or translucent stains
Key features:
Tilt-and-turn or side-hung opening function
Internal glazing with high-security beading
High-performance double or triple glazing
Multi-point locks for excellent protection and sealing
Durable multi-layered timber (pine, oak, meranti)
Suitable for both residential and commercial applications
Factory-applied coatings – RAL, NCS or translucent stains
Inward Opening - IV68



Glazing unit:
24-34 mm
Pane:
UG = 1.0 – 0.8 W/(m²·K)
Spacer:
WARM
Material:
PINE JOINTED / MERANTI / OAK / SAPELE / ACCOYA
Fitting:
ROTO / GU
Handle:
COLOUR-MATCHED TO FRAME
Colour:
VARNISH COLORS / RAL / F&B
Silicone:
WHITE / BLACK / CLEAR / GREY / BROWN
Frame width:
68 mm
Already know
what you need?
Contact our consultant to tailor the product to your needs.
Q4Sash windows and doors offer quality you can rely on – from design to implementation.


