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Danger sign with red header and hard-hat pictogram reading Hard Hat Required While Crane Is in Operation.
12 × 18-inch Danger sign with red header and hard-hat pictogram reading Hard Hat Required While Crane Is in Operation.

Hard Hat Required While Crane Is in Operation – Danger Sign & Decal

ADI-001

$5.25 USD - $39.95 USD

Post “HARD HAT REQUIRED WHILE CRANE IS IN OPERATION” with this Danger sign or adhesive decal. ADI-001 features a red DANGER header with a safety-alert symbol, a black-and-white hard-hat pictogram, and the printed instruction beside it.

Choose your size and material

  • 11-inch-wide × 5½-inch-tall laminated vinyl decal.
  • 12 × 18-inch laminated vinyl decal.
  • 12 × 18-inch aluminum sign.

Select the size and material before ordering. The vinyl options are adhesive decals; the aluminum option is a rigid sign. Other sizes are available by special order through our contact page.

A hard-hat notice tied to crane operation

The message specifically identifies the hard-hat instruction while the crane is operating. This is a workplace notice, not a sticker indicating a hard-hat wearer's qualifications or training.

Choose the header and wording specified for your site. If you need the yellow-header version, see the Caution hard-hat-required sign, ACI-002.

Placement considerations

Use a visible posting point where people can read the instruction before entering the applicable work area, following your site's placement procedures. Apply the adhesive decal to a suitable clean, dry surface. Confirm the mounting arrangement for the aluminum sign; mounting holes and included hardware are not specified in this listing.

Created, printed, cut, and shipped in the USA.

Technical & Safety Data

Product Composition & Identification

Film Construction: 2.75 mil Polymeric Calendered Vinyl base paired with a 2.75 mil flexible clear Polymeric Calendered Vinyl overlaminate.

Adhesive System: Clear Solvent-Based Permanent Pressure Sensitive Acrylic.

Total Adhesive Thickness: 2.3 mil combined (1.2 mil base and 1.1 mil laminate).

Health, Safety & Regulatory Compliance

Fire Rating: Class A fire rating under ASTM E84-17 testing.

Commercial Safety: Meets the highest life safety requirements for indoor and outdoor commercial graphics.

Toxicity & Structure: Phthalate-Free Film Structure.

Regulatory Standards: Meets the health and safety requirements set forth by CPSIA, REACH, RoHS, and California Proposition 65.

Physical & Chemical Properties

Chemical Resistance: Resists mild acids, mild alkalis, solvents, and salts.

Moisture Resistance: Excellent resistance to water, including full immersion.

Tensile Strength: 12.5 Pounds/Inch.

Dimensional Stability: 0.020 Inch (Machine Direction).

Peel Adhesion: 4.5 Pounds/Inch from Stainless Steel.

Environmental & Temperature Tolerances

Operating Temperature Range: -40°F to 190°F.

Application Temperature: 50°F to 80°F recommended.

Installation Surface: Clean, dry, and free of dust, dirt, debris, or grease.

Outdoor Lifespan: Up to 5 years permanent durability.

Let customers speak for us

from 43 reviews
Good size, just what we

Good size, just what we needed

Elise A.
The description was spot on!

The description was spot on. The wiring was perfect and delivery was fast. The price is the best I found too.

Christina V.

Very nice. Just what I needed for school busses.
Thank you

Anonymous
They look great and stick well so far

They look great and stick well so far.

James W.
Amazing service! Fast shipping!

He is always great with our orders and we will continue to order from him. Best stickers by far

Eric L.

Great guy to work with! The stickers showed up fast and are great quality. Will be doing more business with this company.

Michael
I Got Compliant Easily

There was every sticker I needed to get my cranes compliant. They are made of good material and easy to read.

Eric N.
Foil backed decals

Nice foil backed stickers they hold up well and easy to see

Frank T.
Works fine

Nothing fancy, just what we needed. We're compliant and that's what matters.

Mic R.
Fast shpping and easy ordering.

Quick shipping and the sticker is what we needed to get our equipment back up to inspection specs.

PHILLIP C.
Crane Capacity Stickers

Great turn around on a custom sticker and a great product as well!

Kenny G.

Just what we needed 👍

Justin

Awesome stickers

Joshua
Great!

Great sticker

Randall S.
Business as it should be

In todays online deceptive marketplace it is a pleasure to work with a company that sticks to old school principles. This company makes a fantastic product and backs it up with impeccable service. Not only do they deliver a quality product they honor their word, not something you find in most businesses today.

Rodney H.

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