QA

Question: What Are The Black Diamonds On A Measuring Tape

The black diamonds which appear every 19 3/16” on metal tape measures are for spacing I-beam “timbers.” Several wood-product manufacturers offer I-beam “timbers” as a substitute for solid lumber floor joists. The diamond marks on tape rule blades are for spacing these engineered floor joists in new construction.

How do you use a black diamond on a tape measure?

The black diamonds on the tape measure represent that spacing. The first black diamond is at 19.2 inches” and after that black diamonds appear at 38.4, 57.6, 76.8, and 96 inches or 8 feet. That is one less stud for every 8 feet of wall, counting the beginning and end studs.

Why is 16 inches marked on a tape measure?

Note the Marks for Studs and Joists Tape measures usually have a red mark every 16 inches. This makes it convenient to mark off wall studs or joists, which typically are 16 inches apart.

What is M on a measuring tape?

On many tapes (but by no means all) you will find a small red rectangle with the letter M printed inside followed by a number. The number simply denotes the year that the blade was stamped as conforming to the Measuring Instruments Directive. On the whole this will also be the year in which that tape was manufactured.

What is the metal end of a tape measure for?

The metal tip at the end of your tape measure is a little bit loose for a reason. The first inch of the tape is short by 1/16 of an inch. This isn’t an error: it’s meant to provide you with accurate readings whether you’re measuring the inside or outside edge of a surface. This feature is known as “true zero”.

What is the red dot on a tape measure?

The red is for 16-inch-on-center spacing. The common framing spacing is for wall studs, floor joists and roof rafters. There will be red marks on the tape measure if you decide to space frame at 24 inch centers.

What is the 8-foot rule?

It’s called the 8-foot rule. A leader at a manufacturing facility recently gave the direction to his leadership team to engage with their employees every time they come within eight feet of one of their employees. It’s a simple rule that is simply brilliant!Aug 1, 2013.

What does arrow mean on measuring tape?

If you look closely most tapes have arrow marks every 19.2″ also. This is for non load bearing walls where code allows for wider stud spacing and you can save one stud every 8′.

What is the smallest line on a tape measure?

The smallest marks on a tape indicate one millimeter or 1/10th of a centimeter. The large, bold markings on a metric tape measure indicate centimeters. The long mark in the center indicates a half-centimeter.

Can you measure your shoe size with a tape measure?

1) FIND YOUR SHOE SIZE: Using a tape measure or ruler, measure the distance from the back of your heel to the end of your longest toe (in mm). Most people have feet of different sizes and the length of your longest foot should determine your shoe size.

Are mm on a tape measure?

If you have a metric tape measure, the numbers should be read like this: The large, numbered markings are centimeters. There is a smaller marking exactly halfway between the centimeters for ease of reading. The smallest markings are millimeters, or one tenth of a centimeter.

Can a tape measure cut you?

A tape measure can’t cut off a finger like a table saw or puncture your body like a nail gun, but it comes with some safety considerations you need to observe. Tape measures can cause injuries when used improperly, and they can damage breakable items in your home.

What is the maximum length of a long line tape?

They are available in fractional/decimal formats and lengths ranging from 50 ft to 200 ft making them ideal for many long distance measuring jobs.

What is the distance between the little black diamonds?

The black diamond marker on a tape measure falls between the 16-inch and 24-inch spacing. This marker is commonly used in building a concrete block chimney. But, it has other uses too. Marked at 19.2 inches apart, using this type of placement also allows for more weight loads with fewer pieces of wood.

What is more accurate than a tape measure?

The laser measure is accurate to within 1/8″ and measures to 50 feet. It makes this measuring tool more accurate, easier and faster than a tape measure.

What size tape measure is most commonly used by an electrician?

While laser distance-measuring tools are growing in popularity, the not-so-humble tape measure still is best for multiple measurement tasks. Most popular with integrated systems installers and electricians are 25- and 30-foot models.

What is the 5 foot rule?

The rule dictates that when a staff member is 10 feet from a guest, the staff smiles and makes direct eye contact, and when they are within five feet, the staff verbally greets the guest. Applying this principle to nursing homes is a simple, inexpensive way to enrich patient and staff lives.

What is the 20 foot rule?

At 20 ft (6.1 m), the gun-wielder was able to shoot the charging knife attacker just as he reached the shooter. At shorter distances the knife wielder was always able to stab prior to being shot.