0425 Roof Spreading - Roof Framing - Rafters Roof Joists and Ceiling Joists -

Image Text: Perspective view > ridge sags in middle (not at ends - which are supported) > rafter ends bow out in middle > One possible result > rafter slips freely past wall > look for cracks here > Another possible result > top of wall pushed out with rafter > look for cracks here > cross-section in middle of roof