Went through exactly this last fall. Wood doors just don't last in Vancouver's climate without constant maintenance. Switched to fiberglass and the difference in drafts and insulation was immediately noticeable. Spent some time looking into exterior doors vancouver options before deciding on a style that matched my home. Find durable exterior doors vancouver at a great price. Installation was straightforward and done in a single day. Definitely worth replacing sooner rather than later because warping only gets worse and affects your energy bills more over time