All of the windows and doors installed by Rodda and Hocking Ltd. are the very latest multi point locking systems manufactured to the most exacting standards using marine grade materials. Maximum security is an unfortunate necessity, and the windows and doors installed by Rodda and Hocking certainly give you that. Tested to breaking point the products installed by Rodda and Hocking exceed the requirements needed to pass BS7950 by no less than 100% using a unique design patent pending.