Lift Out Secondary Glazing Windows

This is one is the simplest of single pane secondary glazing systems and also the most inexpensive. They are best suited to smaller windows as a lift out section, but can be manufactured to suit extremely large heavy sizes and are available with a slim line and standard frame. Guarantee with our system is a full five years.

This excellent secondary glazing has a double weather pile draught proof system to BS 7386 and glazing gaskets to BS 2782. The frame comes with a concealed hardwood surround for strength and reduced sight lines with the slender aluminium frames.

Our secondary glazing system has attained an AIRO (NAMAS) test certificate for sound reduction at a gap of 150mm between the primary and secondary windows, with only 4mm glass this shows a sound reduction of between 23.2 and 51.9 dB within the noise frequencies of 100-5000 Hz. This will reduce traffic noise by 31 dB Rt.

Our secondary glazing system has attained a INTERVER test certificate for heat retention achieved 1.868 W/m2K as a U value figure utilising Pilkington K Float as the secondary and 4mm as the primary glass with a cavity of 85mm.

The frames and sashes are all polyester powder coated to BS 6496 at 60 microns thick as a standard high gloss and are available in various other RAL colour options.

Glass Options are from 4 to 7 mm, toughened or laminated safety glass and can have various Pilkington glass coatings for heat retention and light reflection. Also available with an Acoustic glass as preferred by sound recording studios.