2×12 Span Chart
You know the look. When building your dream garage apartment requires a twenty-foot clear span in your room, you stare at your stack of lumber. … Read more
Thomas Martinez
2×6 Rafter Span Chart
Calculator + Lumber = Framing Site, which is where things get complicated for your roof: What happens if those lumber boards has to go really … Read more
Concrete Calculator | Slab, Footing & Column Volume
But if you know how many bags you need, it keeps you from panicking. Before you even dig, you figure out how many bag are … Read more
W Steel Beam Size Chart
Then there’s the steel beams that has a W12x26 on them… you think it’s some kind of cryptic code from a bygone era. It isn’t … Read more
Chain Length From Center Distance Calculator
Now you’ve got two sprockets and a measurement for shaft spacing. How do you know what size chain to pick? It’s not an easy thing … Read more
Steel I-beam Sizes Chart
Steel is a material choice that’s really a geometry question. Why does an I-beam work? It’s not so much what type of steel are used … Read more
Sprocket Pitch Diameter Calculator
A sprocket chain drive is a basic way to pass power from one shaft to another. But when you want parts to fit together neatly … Read more
Sheet Metal Weight Calculator | Gauge & Area
So you pick up a run-of-the-mill piece of four by eight sheet mild steel and are suddenely reminded that it’s much heavier then you remember. … Read more
Steel Beam Sizes Chart
The chart is full of columns of abbreviations and numbers. It’s intimidating to most folks. Don’t worry about memorizing all those rows in the W-shape … Read more
Torque Wrench Calculator | Extension & Force
But too much force damages a joint; forcing an extension into place without loosening the setting. Too much force comes from relying on your own … Read more
Steel I-beam Span Chart
The room has a low ceiling and a bare concrete floor. The architect assured you there would be open space here but the builder shows … Read more
Gasket Seating Stress Calculator
When a flange fails during a hydrotest, it’s most commonly due to lack of tightening… But that’s not what I mean. Most often leak occurred … Read more
Steel Beam Span Chart
If you’re looking for a ballpark figure for your material requirements without thinking like an engineer, here’s the beginning of a table I made (above). … Read more
Pocket Hole Screw Length Chart
You are building something like fixing a shelf or a cabinet. Out comes your trusty pocket hole jig. A clean hole is drilled. A screw … Read more