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
Inward Opening - IV68
Glazing unit:
24-34 mm
Threshold:
HARDWOOD
Pane:
UG = 1.0 – 0.8
Spacer:
WARM
Material:
PINE JOINTED / OTHER
Fitting:
ROTO / TITON
Handle:
WHITE / OTHER
Colour:
VARNISH COLORS / RAL / F&B
Gasket:
QLON
Silicone:
ILLBRUCK / WACKER
Frame width:
94 mm
Heat Transfer Coefficient:
1,2-1,1 W/(m²·K)
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.