Ridge-post framing

Ridge-post framing is an old type of timber framing. The ridge board of their roof is not carried by king posts based on tie beams, but the ridge posts are based on the ground work. The German term for this construction is Firstständerhaus. The free-standing posts in the interior of the house and the posts in the gable or lateral walls were originally called Firstsäule (ridge columns). On a purlin roof the ridge posts carry the ridge purlin. On the latter are hung the sloping rafters to which the roof is fixed. This type of Firstständerhaus was predominantly built around the 15th century in Baden region.

Post construction compared with frame construction: the ridge posts can be seen in the left-hand diagram.

A Firstständerhaus in Zeutern, Baden

References

Woodworking

Overviews

Forms

Woods

Soft	Cedar (Calocedrus, Cedrus) Cypress Douglas fir Fir Juniper Larch Pine Spruce Yew

Hard	Ash Alder Aspen Balsa Beech Birch Cherry Chestnut Ebony Elm Hazel Lignum vitae Linden (lime, basswood) Mahogany Maple Oak Padauk Plum Poplar Teak Totara Walnut Willow

Tools

Abrasives Axe Adze Chisel Clamp Drawknife Drill Float Mallet Milling machine Mitre box Moulding plane Plane Rasp Router Sandpaper Spokeshave Timber-framing Vise Winding sticks Wood scribe Workbench

Saws	Backsaw Bandsaw Bow Bucksaw Chainsaw Circular Compass Coping Crosscut Frame Fretsaw Jigsaw Keyhole Miter Rip Scroll Veneer Whipsaw

Geometry

Joints	Birdsmouth Bridle Butt Butterfly Coping Crown of thorns Dados Dovetail Finger Groove Halved Hammer-headed tenon Knee Lap Mason's mitre Miter Mortise and tenon Rabbet/Rebate Scarf Splice Tongue and groove

Profiles	Bead Bevel Chamfer Molding Ogee Ogive

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Ridge-post framing

See also

References