Trade Accounts And Trade Pricing Apply for a Trade Account today and take advantage of our Trade Pricing. Register your details for a Trade Account Click to download Credit account application form To open a trading account with Canterbury Timber & Building Supplies, please complete the Account Application form and return it to our Accounts team for approval. Fill out and return via email to accounts@canterburytimbers.com.auOr to make an enquiry about a Trade Account, email sales@canterburytimbers.com.au