How to successfully use Butyl (GZ) tape when refitting a marine window

Our LIds$Lend service is now available for Lewmar Old Standard units

Guidance on how to determine where leaks are occurring in Lewmar Old Standard opening portlights and what to do about them

Tips on how to replace the closing seal in a Lewmar Old Standard portlight

Advice for US buyers

Like so many of these posts, this is prompted by my being asked similar questions by many of our lovely customers. So here's my thoughts...