The hidden sins of retrofit double-glazing

Every day someone asks us about fitting thicker glass or double-glazed units into their old windows. There are plenty of companies out there who will sell you the glass you want. But many of them don’t know how your windows work, and end up breaking them in the...

Fixing wood rot in a timber window

By Adam Akam I have been working for Sealasash for a few years now, and in that time I have replaced countless window sills, done my fair share of scarf joints, and have replaced hundreds of window rails and stiles. In working with timber windows that are sometimes...

Can I double-glaze an existing window?

The most common question our customers ever ask is “can I put double-glazing in my existing windows?” For most people, double-glazing is synonymous with energy efficiency and comfort. The short answer is yes, you can double-glaze many existing windows. But...