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PLUMB VS. LEVEL VS. SQUARE...What's The Difference?! When And How To Use These Three Terms

These three terms--plumb, level and square--are often used incorrectly by carpentry and DIY newcomers. This video from The Honest Carpenter will explain in detail what they mean and how they relate to building homes and other structures!

PLUMB means truly vertical; upright; perpendicular to the horizon.

We need our framed walls to be very plumb so that they will avoid collapsing sideways or being crushed!

We find plumb using bubble levels or spirit levels, and laser levels as well.

LEVEL refers to a horizontal surface in which both ends are on the same plane.

Level floors and other surfaces are perpendicular to the force of Earth's gravity! This means that round objects sitting on them will not roll to one side or the other.

We also find level using bubble levels and spirit levels, as well as laser levels.

SQUARE means that two intersecting surfaces are positioned at exactly 90-degrees to one another.

We find square angles all over construction and carpentry, from the smaller things we build (like cabinets and drawer boxes), to the position of walls to walls, and floors to walls. Even our building materials rely on square angles.

We find "square" by using a variety of tools set at right angles, such as speed squares, try squares, framing squares, and combination squares.

Thanks for watching!

Be sure to check out our other videos on important construction concepts:
ALWAYS DO THIS WHEN HANGING HEAVY MIRRORS:
   • Hanging A Heavy Mirror/Picture/TV On ...  
THE MOST IMPORTANT WORD IN CARPENTRY:
   • This Is The MOST IMPORTANT WORD IN CA...  

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