Series 30 Slimline Lift Out

Slimline lift out (LO) secondary glazing unit, removable to provide easy access to the outer window, facilitating cleaning and maintenance. All fixings are concealed within the frame, which may be linked to other frames with a colour-matched mullion/ transom section.

Suitable for listed buildings where the primary glazing cannot be changed. It is a reversible adaptation, so generally accepted by heritage agencies.

Will reduce heat loss by up to 50% using standard glass and up to 65% with a thermally efficient glass (low emissivity). The system is also fitted with a mixture of high performance brush and compression seals to minimise drafts.

Thermal performance:

U-values as low as 1.79 W/m²K (timber primary window and low-E glass in secondary glazing).

Approvals:

Acoustic: Tested in accordance with BS EN ISO 140-3:1995 for acoustic performance between 38 and 45 dB.