I Beam Load Capacity Chart
Now imagine adding a second floor on top of your garage. You stand there looking at that steel beam and ask yourself: Will it hold? … Read more
Thomas Martinez
Lathe Spindle Speed Calculator | RPM, Feed, SFM
There’s one noise you know from a machine shop. It starts off like high pitched whine until it becomes a shriek, and then finally ends … Read more
Roof Beam Span Chart
What you don’t see is the physics that keep your home from collapsing. On most homes, people think there’s nothing but rafters and then shingles … Read more
57 Limestone Gravel Calculator | Tons, Yards, Bags
I think one of the mistakes people make at home improvements is not knowing how much gravel to order. Measure the length, eyeball the width, … Read more
Wide Flange Beam Dimensions Chart
When you look at a steel beam, it’s an I-shape. It is made off metal. But that metal can cost a lot if you choose … Read more
Roof Joist Span Chart
A rafter and a ceiling joist may look alike, but these two structural component differ greatly, and mistaking one for the other will result in … Read more
Scissor Truss Calculator | Pitch, Rise, Chords
In a thirty foot span, the scissor truss make the room seem much larger then it is while using minimal interior column. It creates a … Read more
Lumber Grading Chart
Hardware store lumber aisles are confusing. The wood all appears to be identical, yet it’s priced different with varying grades. You notice Stud grade, Select … Read more
Plywood Size Chart
The point is, if you buy a piece of plywood from the lumber yard and the tag reads one half inch, you know you’re in … Read more
Brick Calculator Patio | Paver Count & Base Depth
We start here: most people envision red clay or concrete pavers, and we end there: a heap of surplus bricks whose origin they will never … Read more
Petrified Wood Identification Chart
Look at it. See the rings and grain of what was once wood. Feel its odd heaviness in your hand. Notice how hard it is, … Read more
Compound Angle Calculator | Miter and Bevel Cuts
Most shop mistakes happen in that second millimeter. You turn your saw to forty-five degrees (or whatever number appears), make the cut, and then hold … Read more
Wood Grades Chart
Going into a lumber yard is a bit like walking in a maze. Every aisle seems to look the same. There are piles of wood … Read more
Concrete Block Weight Calculator | CMU Load
With two hands, you grab a typical 8-in. Concrete masonry unit. Diameter concrete masonry unit. Immediately, you realize someone had to invent forklifts. Dang thing’s … Read more