by Dan Kolbert In most stick-framed roofs, ceiling joists or collar ties prevent the rafters from pushing out against the walls. With cathedral ceilings — which have no joists or collar ties — a structural ridge is necessary to support framing members like rafters, hips, and valleys. The ridge is usually carried by gables, walls, or posts.

But what do you do when there is nothing there to support one end of the ridge?

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