Category
Rafters
Common, hip, valley, jack: cuts and lengths.
Tools
All ProductsSpeed® SquaresSquaresLevelsTape MeasuresFor FramersFor CarpentersFor ElectriciansFor PlumbersFor RoofersFor MasonsWhere to BuyResources
The Blue BookBlue Book CalculatorRoof Pitch ReferenceTool FinderYour Tool LogCompany
Our StoryAccount
Connect
Contact usB2B & Trade SchoolsFree Swanson account
A century of Swanson layout knowledge, digitized and free with your account. Inside: three full editions (the Little Blue Book field reference, the Pro Reference deep manual, and the Original Blue Book), the full layout calculator (rafters, hip and valley, stair stringers), task-based topic browse, bilingual English and Spanish, and full-text search. Make a free account to read, calculate, and save.
Takes 30 seconds. No payment. Email is the only thing we ask.