By default, our header has a margin bottom and if you want to remove it on your page, you can simply add a negative margin top for the first row on the page with Visual Composer. So just set -40px for example to compensate it.
In our demo, we use another header layout for this page. If you want to do the same, you need to create a separate header with “Header overlap” option enabled in Dashboard -> WoodMart -> Header builder. Then, edit this page and specify newly created header as a custom header for that page.