Screw Size And Drill Chart
You should pre-drill pilot holes, because splitting wood and stripping out screw heads is no way to start a project. It wastes precious lumber in … Read more
Thomas Martinez
Steel I Beam Size Calculator | Span & Load
When you’re shopping for a particular length of steel beam, the calculator becomes the first stop. Let’s say your house has 14-foot spans with concrete … Read more
Plywood Grading Chart
You are standing in hardware aisle staring at piles of wood sheets that appear to be similar. These wood sheets differs in cost and strength. … Read more
Roofing Waste Calculator | Shingles, Squares, Bundles
The standard approach to re-roofing goes like this: Homeowners buy only enough roofing to cover their home’s floor area. They calculate the footprint of house … Read more
Wood Board Sizes Chart
It’s a great cut list, but then you find out the board you purchased doesn’t match what you ordered. Your joinery won’t fit and the … Read more
Wood Ruler Height Chart
How many times do you reach for a low-cost plastic ruler? They snaps in half, they bend out of shape and the ink washes off … Read more
Roofing Plywood Calculator for Roof Sheathing
Standing in the lumber aisle staring at all those piles of plywood, you get anxious. You know how many boards you should of buy based … Read more
Pilot Hole Size Chart
Your hammer comes down with a sharp crack that stops you dead in your tracks. You remove the screwdriver and see a split running across … Read more
Bruce Bolt Size Chart
When mounting a wheel, there is a mix of geometry, tensile strength and friction. It’s more than cinching a nut on a bolt. At highway … Read more
3/4 Gravel Calculator: How Much Gravel Do I Need?
Gravel jobs are where your gut feel is no good. You might start with an idea of what you need, but end up with a … Read more
Bolt Drill Size Chart
Anyone who has tinkered around with machines knows: Guessing at drill sizes when tapping a screw hole almost always result in broken taps or damaged … Read more
Rebar Development Length Calculator | ACI Style
Reinforcement was supposed to stick in there like a thumbtack in foam. Everyone believes that. But it doesn’t; steel transfer load into the matrix around … Read more
Pipe Thickness Chart
It’s an aisle in your local plumbing supply store with stacks of steel piping that all appear to be the same from across the room. … Read more
Brick Mortar Calculator | Wall Mix & Joint Takeoff
The mortar holds the bricks together. You tend to think of it as just filler, something you don’t really have to worry about too much … Read more