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
Thomas Martinez
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
Simple Truss Calculator | Span, Pitch, Load
Framing a roof? That means nailing two-by-fours into triangles, right? Wrong. Building math are far more complicated than that… And reality is far less forgiving … Read more
Wood Beam Span Chart
Now you’re left with a hole where a load bearing wall existed, and you want to find out how much wood can support it? No … Read more
Attic Truss Calculator | Span, Pitch & Clearance
Local building inspectors reject your attic plans because they don’t have an engineering degree, but you don’t either. All you really need is a basic … Read more
Sewing Thread Size Chart
Maybe you get all excited and tug a lovely quilt out of machine. It is as if you have pulled a crumpled potato chip off … Read more
Standard Stair Rise and Run Calculator
With a few keystrokes (your total height and floor space) the calculator do all of that tricky trigonometry so you can concentrate on seeing if … Read more
Bolt Thread Dimensions Chart
If you’ve ever faced a bolt that doesn’t want to move but instead clicks in resistance and then abruptly gives, you’ve seen one side of … Read more
Steel Thickness Chart
So what’s wrong? The problem is the gauge system is backwards! It is an old-school relic. Under there own numbering system, a larger number mean … Read more
Stair Baluster Spacing Calculator | Code Gaps
There is a long stretch of railing. There is a pencil. And a square in hand. No clue where to drill holes in that railing. … Read more
Metal Stud Gauge Chart
If you’re looking at a pile of steel shapes wondering whether you really need something so heavy for your closet divider, that’s a familiar frustration. … Read more