5-Panel Horizontal Slider Secondary Glazing made to measure for Johnstone, Renfrewshire. Five horizontally-sliding panels for the widest openings, each on its own master/slave track.
Best for: the widest openings and shopfronts.
In Johnstone, plenty of homes locally keep their original windows, where an internal second pane is the only practical upgrade. Secondary glazing adds a discreet, fully reversible second pane inside the existing frame — cutting heat loss by up to 60% and noise by up to 80%, with no building-regulations approval needed.
Prefer to see the whole range for your area? Visit secondary glazing in Johnstone.
Yes — we make horizontal slider · 5 panels to measure for Johnstone and across Renfrewshire, supply-only or fitted.
It's our recommended unit for the widest openings and shopfronts.
Price depends on size, glass and finish. Our online configurator gives an instant price on standard sizes, or a fast bespoke quote on larger and special units.
Configure your exact windows online in about 60 seconds — instant price on standard sizes, fast bespoke quote on the rest. Supply-only or fully fitted.
Start my instant quote →Or call 0800 088 6341 · email sales@secondarywindowsglazing.com