United Merchants (Unimer), the invoice clearing house for the building products industry, has sold out supplier space for its Unimer Day 2011, the extended trade exhibition to be held on July 6-7.

Unimer said more than 30% of exhibiting suppliers were new to the event.

Unimer day also features a Meet the Merchant session, a gala dinner and networking activities.

Merchant members who want to attend the event should contact Sara Ashford-Smith at s.ashford-smith@unimer.co.uk