This spiral-bound reference is small enough to fit in your shirt pocket! It contains most of the tables and formulas a carpenter needs on the job.

Get immediate help calculating concrete mixes, estimating block and the depth of footings, safe loads for different types of lumber, and loading for steel and wood columns. You’ll find span tables for rafters and joists, and even more data identifying various lumber grades. Explains most roofing and siding requirements. Gives formulas to calculate heat loss and determine R-values for most building materials. Also contains stair tread and wheelchair ramp formulas.

You’ll find illustrations, conversion charts, and all the other information you’re likely to need on the job.