Shed machine will lay and nail top, bottom timbers and vertical timber frame of shed together using first gantry then lay and staple felt to the assembled frame then using a second moving gantry lay and nail top boards before ejecting finished panel, will lay T and G and ship lap in one machine. Will handle frames measuring 1.2Mtrs high X 1.9Mtrs long to 2.1Mtrs high X 3.7Mtrs long or anything in between. Uses 11 top nail guns, 2 X 90MM nail guns and 3 felt staple guns. Number and spacing of vertical batons can be varied at will. Uses 1000 coiled nails per nail gun for nailing frame together.