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Saltbox Shed Plans

A saltbox roof is the most recognizable asymmetric profile in American building: a short, steep front plane and a long, shallow rear plane meeting at a ridge that sits off-center, toward the front wall. The look is pure New England colonial, but the geometry earns its keep — the offset ridge concentrates headroom under the steep plane, while the low sweeping rear sheds snow and rain. All four wall plates stand at the same height (exactly like a gable); the asymmetry lives entirely in the rafters. Every saltbox plan in this collection includes the full framing drawings for the two-pitch roof, which is the part that trips up first-time builders: the front and rear rafters are different lengths cut at different angles, and the ridge board lands at a derived offset rather than the center of the span. Our drawings dimension all of it.

The collection runs from compact 8×10 garden sheds to 12×20 barn-scale buildings, all sharing the signature offset ridge. Catalog doors sit on a gable end by default so the entry faces the sloped end wall; you can move them to an eave wall when you customize.

Every plan converts to a full cut list and materials BOM through the same framing engine our builders use, and every one can be customized — change the footprint, adjust the two pitches, move the doors — with the drawings regenerating to match.

Frequently Asked Questions

What makes a saltbox roof different from a gable?
A gable is symmetric — two equal planes meeting at a centered ridge. A saltbox is asymmetric: a steep short front plane and a shallow long rear plane meeting at an off-center ridge. The walls themselves stay the same height as a gable; the gain is headroom under the offset peak, not a raised front plate.
Are saltbox sheds harder to frame?
The two roof planes are different lengths and pitches, so there are two rafter cut patterns instead of one, and the ridge sits at an offset rather than the center. Nothing requires special skills — the plans give you both rafter cuts, the ridge offset, and the assembly order bent by bent.
Which way should a saltbox face?
Traditionally the steep front plane faces the weather or the street, while the long shallow rear slopes down toward the back of the lot. Each plan lets you set which wall is the steep front, and the drawings follow your choice.