non delivery of purchased building material

i have purchased building material and paid for transport two weeks ago and to date i haven't received my goods.everyday the store promises that they will send the goods but at the end of each day there is no delivery of the goods.the service has been bad considering that the goods are paid for including the delivery as well.the latest promise was today that i will get the goods delivered but so far i haven't seen such delivery.the most frustrating thing is that i have already signed a contract with the person who is suppose to be handling the building has been waiting to start with the construction of the house.i will never ever recommend anyone to buy and also myself will never buy from them.it is a lesson.if you want bad service go cashbuild thohoyandou.