the elongated flat section 24 further includes a first end 28 and a second end 30 further the step flashing unit 16 includes a vertical surface 32 and a horizontal surface 34 turning now to fig2 there is shown a side view of the system 10 for protecting walls roofs including the detachable flashing channel 12 attached to the wall 11 and the step flashing unit 16 located at intersection of the roof 14 and the wall 11 the detachable flashing channel 12 includes the fastening section 18 the flat section 20 the curved section 22 and the elongated flat section 24 the fastening section 18 further includes means 36 for attaching the detachable flashing channel 12 to the wall 11 in summary the present invention generally provides a system 10 for protecting walls roofs from water including but no limited to the detachable flashing channel 12 attached to the wall 11 and the step flashing unit 16 located at intersection of the roof 14 and wall 11 more particularly and in one preferred embodiment the system 10 for protecting walls roofs from water includes a j shape detachable flashing channel 12 mounted on the wall 11 and an l shape step flashing unit 16 located at an intersection of the roof 14 and wall 11 in another preferred embodiment of the present invention there is provided a system 10 for protecting walls roofs from water including the detachable flashing channel 12 attached to the wall 11 and the step flashing unit 16 located at an intersection of the roof 14.