Adding metadata to a folder created in SharePoint

Hello,

I am using the following code to create folders in a SharePoint 2013 document library based on a SQL database:

    public class SPCreateFolder
    {
        public Folder CreateFolder(Web web, string listTitle, string fullFolderUrl, string ADLogin)
        {
            if (string.IsNullOrEmpty(fullFolderUrl))
                throw new ArgumentNullException("fullFolderUrl");
            var list = web.Lists.GetByTitle(listTitle);
            return CreateFolderInternal(web, list.RootFolder, ADLogin != null ? fullFolderUrl + " - " + ADLogin : fullFolderUrl);
        }

        private static Folder CreateFolderInternal(Web web, Folder parentFolder, string fullFolderUrl)
        {
            var folderUrls = fullFolderUrl.Split(new char[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
            string folderUrl = folderUrls[0];
            var curFolder = parentFolder.Folders.Add(folderUrl);
            web.Context.Load(curFolder);
            web.Context.ExecuteQuery();
            if (folderUrls.Length > 1)
            {
                var subFolderUrl = string.Join("/", folderUrls, 1, folderUrls.Length - 1);
                return CreateFolderInternal(web, curFolder, subFolderUrl);
            }
            return curFolder;
        }
    }

How can i amend the code to to write to other columns in the document library?  I have an Active column (yes / no field) i would like to update.

Thanks in advance

Duane