This I challenge all to refute the following with references to documents to prove their point. -956 First off you will want to get the screws and mounts to attach to the roof to make sure it is safe, because safety should always be number one priority. Once you have your supplies, which can be found online or at any hardware store, find the rafters in your roof using a stud finder and drill holes. You can use a laser or chalk line to make sure they are all in a straight line. Place the mounts over the holes. In here will go the rails the panels sit on. Once the rails are in place it would be smart to hot mop them to make sure they are mounted securely. Steel bolts will secure the rails to the posts you secure. Now the hard part is done! "electricity generation in the uk " and "how to build a 3d solar system " (include "buy a magnetic motor", "alternative energy home projects ", "core losses in permanent magnet motors ", "electric home boilers ", "new home energy rebates ", "How to make a photovoltaic cell ", Green Electricity Green Natural Gas Green Energy Sources · Media Releases In the News Events Media Room Bullfrog Buzz · Green Index Green Directory Founders & How to build a simple windmill )