Sunken posts should be in a 600mm deep hole and filled with postcrete. Professional display solution for Schools, Colleges, Clubs and Councils with FREE personalisation. Complies fully with and tested to officially recognised IP55 test of dust and water ingress. The showcase features ‘gas strut’ assisted door opening with virtually shatterproof PETG glazing. Constructed from powder coated aluminium composite board, the sign is completely weatherproof. Secure double locking system. Available in 4 powder coated frame colours with corresponding felt colours (Black frame comes with Grey felt). 2 year guarantee. Prices do not include installation. Sizes stated are for showcase, not full board.