I am a very new DIY'er and recently starting an alcove cupboard in my bedroom. I drilled the holes and put the wood supports in and some brackets to hold shelves and a clothes rail. All was good until the next day when the clothes rail and brackets fell down. The drilled holes seemed to have become bigger and the weight of the clothes (which was not that heavy) loosened the plugs and screws resulting in the crash! The walls are the walls inbetween us and next door so are brick and stone. Any suggestions why this happened and how i can rectify it? I tried moving the shelving brackets along but the holes just became miles bigger than the drill bit i used then the plugs would not go in despite the hole being long enough. I was totally baffled and the air was blue! Help!!!