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The Danger – Open Penetrations Sign is a high-risk construction safety sign designed to warn workers and visitors of exposed floor, wall, or surface openings.
Featuring the recognised red and black DANGER header with bold, high-contrast text, Danger – Open Penetrations Sign provides immediate hazard communication in active work zones.
Danger – Open Penetrations Sign is essential to reinforce exclusion zones, prevent accidental entry, and support compliance with Australian WHS requirements and AS 1319 safety sign principles.
Application
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Construction and demolition sites
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Concrete slab and formwork areas
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Multi-storey building projects
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Service riser and shaft openings
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Industrial plant maintenance zones
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Refurbishment and fit-out projects
Key Features & Benefits
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High-Impact DANGER Header – Immediately signals serious fall hazard.
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Clear Hazard Identification – Clearly warns of open penetrations.
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Compliance-Aligned Design – Structured in accordance with AS 1319 safety signage standards.
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Weather & UV Resistant – Suitable for indoor and outdoor site conditions.
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High-Contrast Typography – Ensures readability in high-traffic work areas.
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Supports Site Risk Management – Reinforces safe work method statements and hazard controls.
Installation Method
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Mount adjacent to penetration openings
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Fix to temporary fencing or barricades
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Install on posts near exposed slab voids
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Secure to nearby walls using screws or anchors
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Position at eye level for maximum visibility
Ideal For
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Construction site managers
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Principal contractors
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Civil and structural teams
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Formwork and concreting crews
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Facility maintenance contractors
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WHS officers
Why Buy From K2K Signs Australia
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Australian-made safety signage
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Compliance-focused production standards
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Premium-grade materials for durability
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Fast production turnaround
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Australia-wide free shipping
Product Finish & Durability
- Signs and Stickers are printed with Eco-Solvents Inks on High Quality. Premium Gloss Vinyl with UV and weatherproof protective over laminate.
- Signs / Stickers are durable for both Indoor and Outdoor use in extreme conditions.
- All Signs Comes with Pre- Drilled Hole on each corner for mounting.
- All signs are designed and manufactured here in Australia and are compliant with Australian Standards AS1319.
- We DO NOT print our company’s logo on signs or stickers.
Self-Adhesive Vinyl
Construction
Flexible self-adhesive material. Can adhere to virtually any clean, dry surface. Well suited to flat or soft curved texture.
Common Uses
Indoor or outdoor conditions. Directional, Safety. On pipes, poles, containers, windows, equipments, storage racks, tanks, etc.
Plastic
Construction
Thick Plastic made from over 50% recycled material, this UV stabilized rigid sign and is one of our most popular choices!
Common Uses
Directional, safety, informational, special event, departmental, equipment, temporary construction, wall or post mounting.
Metal
Construction
A strong, thick rigid material manufactured from steel guaranteed to withstand high temperature range.
Common Uses
Entrance, exit, traffic, parking, building, construction, safety, directional, wall or post mounting.
Magnetic
Construction
A strong, 0.9mm flexible magnet material has excellent holding force suitable and is flexible yet tough and weather resistant.
Common Uses
Suitable for use on cars, trucks, trailers, safety signs, A-Boards and all outdoor metallic surface signage applications.
Reflective Class 2
Class 2 Reflective Signs are ideal for non-critical, off-road situations that require high visibility in poor or low light conditions. These situations would include work premises signage, carparks, properties, shopping centres, general signage, private roads etc.
Reflective Class 1
Class 1 reflective is the higher grade of reflectivity, and it is identifiable by its honeycomb pattern. It is used where high visibility is required for 24 hours of the day. It is a premium grade reflective, that reflects light from wide angles. All signs used on a public roads must be Class 1 to comply. This would include all road signs, street signs, speed limit signs and roadwork signage to name a few.
Words from Our Grateful Clients
Needed a couple of signs (stickers) for our recycle bins. K2 Signs have signs for all purposes and needs. It was great to be able to customise our signs to suit. Our visitors comment about how great they look.
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Suzanne Baines
Great service at K2K Signs. The signs are high quality and exactly what I needed. I have always ordered over the net and the service is prompt and reliable.
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Sandy Gillen
Excellent quality signs, we use for body corporate needs, prompt service, carefully packed and arrived faster than we thought. Have used them twice now for different needs and the quality & service remains top-class. Very happy.
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David B
Signs received exactly as advertised & promptly. Good quality. Very happy with the purchase.
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Marina Deppeler
Fantastic customer service, easy to order, fast delivery. Reasonably priced. Highly recommend them for your sign needs, we will definitely continue to use for all our signage needs.
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Christine Peterson
First time using K2K Signs, and what a GREAT experience! Great customer service, super easy to order and exceptionally fast delivery service! Highly recommend them for your sign needs, we will definitely use you again in the future! Thanks guys.
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Ashique Abdulla
We have been dealing with Raj at K2K for many years and they are an excellent company to deal with , nothing is too much trouble and the quality of their work and promptness is excellent. We would recommend them for all sign work.
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Two Bros Building
Having dealt with K2K for some time i have found their product to be of excellent quality. their service is fantastic, even following up when an ordered sign doesn't look quite wright.
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David Greenwell
This is a great Australian business. The sign was exactly what we wanted at an excellent price. It arrived very quickly. Would not hesitate to recommend this company
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