Sash and Case Windows

Sash Standart 4-12-4

The Sash Standard 4-12-4 profile is a classic option for sash and case windows, particularly suited for double glazing. This profile is designed for traditional aesthetics while offering reliable thermal and acoustic performance, making it a cost-effective choice for enhancing insulation and comfort.

Glazing Compatibility: The Sash Standard 4-12-4 profile is specifically made to accommodate double glazing with a 4-12-4 configuration. This refers to two 4 mm glass panes separated by a 12 mm air or gas-filled gap, providing solid insulation and energy efficiency for moderate climates.
Thermal Efficiency: The 4-12-4 double-glazing setup provides effective thermal insulation, helping to reduce energy costs by minimizing heat transfer through the windows. This profile is suitable for those seeking basic insulation improvements over single-glazed windows, meeting modern thermal standards.
Traditional Aesthetic Appeal: This profile maintains the classic slimline appearance of traditional sash windows, blending well with both period properties and contemporary homes.
Designed to preserve heritage aesthetics, it offers a timeless look with modern glazing benefits.

Frame Dimensions:

Frame depth: 134 mm
Frame width (outer): 86 mm
The sash depth is 50 mm

Materials:

Frame Material: Constructed from high-quality timber, treated for moisture resistance and durability.
Glazing type: Low-E glass, argon-filled, toughened and laminated glass options are available for added thermal performance and security.

Thermal Performance:

Double Glazing Compatibility: Allows for enhanced insulation, reducing heat loss and meeting modern energy standards.
Thermal Break Technology: Integrated thermal breaks to prevent cold bridging, further improving energy efficiency.

Weather Sealing:

Equipped with advanced weather seals to protect against drafts and water ingress, suitable for harsh weather conditions. resistance

Soundproofing:

Double glazing: Reduces sound by up to 32 dB, ideal for urban or noisy environments
86 mm frame width and double glazing provide excellent sound insulation, ideal for urban or high-noise areas

Ventilation Options:

Trickle Ventilation: Optional vents for controlled airflow.
Tilt Function: Allows safe ventilation without fully opening the sash.

Security Features:

Enhanced Locking Mechanisms: Reinforced locks for increased resistance to break-ins.
Safety Glass Options: Available with laminated or toughened glass for added impact resistance.

Finishes:

Available in multiple finishes, including natural wood stains, painted finishes, and custom RAL colors.
UV-resistant coatings for long-lasting color integrity.