Brand: Portwest

Product Code: PW250NAVYSR
Bizweld™  flame-resistant coverall (BIZ1)

Portwest BIZ1 Bizweld Flame Resistant Coverall | FR Workwear

Navy / S Reg
£62.98 GBP
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Bizweld™  flame-resistant coverall (BIZ1)

Portwest BIZ1 Bizweld Flame Resistant Coverall | FR Workwear

In stock
£62.98 GBP
Product Description

Portwest BIZ1 Bizweld Flame Resistant Coverall

The Portwest BIZ1 Bizweld Flame Resistant Coverall is one of the most trusted flame-resistant coveralls in the welding and engineering industries, offering certified protection for professionals working in hazardous environments. Manufactured from 330gsm Bizweld™ 100% flame-resistant cotton, this best-selling coverall provides dependable protection against heat, flame and molten metal splash while delivering exceptional comfort for long working shifts. Designed for welders, fabricators, engineers and industrial maintenance teams, the BIZ1 combines safety, durability and practicality in one professional garment.

Featuring a concealed stud front, adjustable stud cuffs, side elasticated waist and multiple utility pockets, the BIZ1 has been developed to help workers perform safely without compromising freedom of movement. Certified to internationally recognised flame-resistant standards, it is an excellent choice for businesses looking to protect their workforce while maintaining a smart, professional appearance. Where appropriate, specialist branding solutions can also be discussed without compromising garment certification.


How This Helps Your Business

🔥 Certified Flame-Resistant Protection

Manufactured from 330gsm Bizweld™ 100% cotton, the BIZ1 provides certified protection against radiant, convective and contact heat, while also protecting against molten metal splash. The flame-resistant finish is designed to last for the lifetime of the garment when maintained according to the manufacturer's care instructions.

⚡ Designed for Welding and Industrial Work

The BIZ1 offers ARC2 dual hazard protection and complies with recognised international standards including EN ISO 11611 for welding and EN ISO 11612 for heat and flame protection, making it suitable for demanding industrial environments.

Comfortable Throughout the Working Day

A generous fit, side elasticated waist and adjustable stud cuffs allow excellent freedom of movement while helping maintain a secure and comfortable fit throughout long working shifts.

Practical Storage for Essential Equipment

The BIZ1 includes practical storage designed for everyday industrial use, including:

  • Two chest pockets with stud closure
  • Two side pockets
  • Two rear pockets
  • Rule pocket
  • Concealed mobile phone pocket
  • Radio loop (mic tabs)

These practical features help keep essential tools and equipment close at hand while maintaining a professional appearance.

Built-In UV Protection

The fabric carries a UPF 50+ rating, helping block approximately 98% of harmful UV rays, providing additional protection for employees working outdoors.

Perfect For

  • Welders
  • Fabricators
  • Steel workers
  • Heavy engineering
  • Industrial maintenance
  • Manufacturing
  • Oil & gas
  • Utilities
  • Petrochemical industries
  • Mechanical engineers
  • Industrial contractors
  • Fabrication workshops

The Result

✔ Certified flame-resistant protection.

✔ Comfortable all-day fit.

✔ Durable 330gsm cotton construction.

✔ Practical storage for essential equipment.

✔ Trusted by welding and engineering professionals.


FREE Delivery Mainland UK on all orders over £100 ex. VAT

Key Features

  • Bizweld™ 100% flame-resistant cotton
  • 330gsm fabric weight
  • ARC2 dual hazard protection
  • CE CAT III certified
  • Guaranteed flame resistance for the life of the garment
  • Protection against radiant, convective and contact heat
  • Certified protection against molten metal splash
  • EN ISO 11611 Class 1 welding protection
  • EN ISO 11612 heat and flame protection
  • Concealed stud front
  • Side elasticated waist
  • Adjustable stud cuffs
  • Rule pocket
  • Concealed mobile phone pocket
  • Radio loop
  • Multiple utility pockets
  • UPF 50+ rated fabric
  • Suitable for specialist branding where certification requirements permit.

Frequently Asked Questions

What is the Portwest BIZ1 designed for?

The BIZ1 is designed for professionals working in welding, fabrication, engineering and other hazardous environments where certified flame-resistant clothing is required.

What fabric is used in the BIZ1?

The coverall is manufactured from 330gsm Bizweld™ 100% flame-resistant cotton, providing excellent durability and protection against heat and flame hazards.

Is the flame resistance permanent?

Yes. The flame-resistant properties are designed to last for the lifetime of the garment when maintained in accordance with the manufacturer's care instructions.

Can I have my company logo added?

Because this is a certified flame-resistant garment, branding should only be applied using suitable methods that do not compromise the garment's protective performance. We can advise on the most appropriate branding options before production.

How many pockets does the BIZ1 have?

The BIZ1 includes multiple storage pockets, including chest, side, rear, rule and concealed phone pockets, together with a radio loop to keep essential equipment secure and easily accessible.

What industries is the BIZ1 suitable for?

The BIZ1 is widely used across welding, fabrication, engineering, manufacturing, utilities, petrochemical, oil & gas and industrial maintenance sectors where certified flame-resistant PPE is required.

Is the BIZ1 comfortable enough for long shifts?

Yes. The generous fit, elasticated waist and adjustable cuffs have been designed to maximise comfort and freedom of movement throughout the working day.

Why choose the Portwest BIZ1 Bizweld Flame Resistant Coverall?

The BIZ1 is Portwest's best-selling flame-resistant coverall, trusted by welding professionals for its certified protection, durable construction, practical design and outstanding comfort in demanding working environments.

Fabric: 100% Cotton with flame-resistant finish

Colour:

Specification: EN ISO 11612 A1+A2, B1, C1, E2, F1 and EN ISO 11611 Class 1, A1+A2. A favourite coverall in the welding industry, the Bizweld coverall is designed to offer complete protection to workers exposed to heat. A generous fit provides workers comfort and allows the wearer to work unhindered. Ample storage space, rule pocket and mobile phone holder hold equipment securely. Weight is 330gsm.

Credits:

Size & Fit

Our products are crafted to fit true to size, ensuring that you can confidently select your usual size with ease. Whether you’re looking for a relaxed or tailored fit, our designs are made to complement your unique shape and style.

Sizes: S 36/38" M 40/41" L 42/44" XL 46/48" 2XL 50/52" 3XL 54/55"

Age Group: Adult

Important Notes & Disclaimer

To ensure the best results:

Logo positioning will be applied as close as possible to your chosen location within garment and embroidery constraints.

Seams, zips, and pockets may slightly alter the final placement.

If unsure which position is best, please contact our design team before approving your proof, we’ll be happy to advise.


Approved artwork and placement selections are produced as confirmed and cannot be changed once in production.

Care & Maintenance

To maintain the beauty and integrity of your purchase, we recommend treating it with care.

Simple maintenance practices, such as gentle washing and proper storage, can effectively preserve the longevity of your favorites.

We encourage you to refer to the care instructions included below with each item, designed to help you keep your purchase in top condition.

Washing Instructions: Machine wash warm mild process. Do not boil. Do not use soap or soap powder or bleach. Use detergents. Line dry. Do not iron

Logo & Branding Guide

Please ensure all uploaded logo files are high-resolution and owned or licensed by you. We are not responsible for errors caused by low-quality files or unauthorised artwork. By uploading, you confirm that you have the right to use the design for commercial reproduction.

Upload Your Logo

Upload your company logo directly on this page when placing your order.

We accept PNG, JPG, PDF, AI or EPS files up to 10MB.

If your logo is on a website or document, simply download it and upload it here — our team will check everything before production.

Artwork Check Included

Every logo is reviewed by our team before we begin branding.

If your file needs adjusting for embroidery or print, we’ll prepare it for you and confirm everything before production begins.

This ensures your logo appears sharp, clear and professionally finished on every garment.

Embroidery vs Print

Embroidery (Most Popular)

• Premium stitched finish

• Extremely durable for workwear

• Ideal for chest logos and uniforms

• Adds a professional, long-lasting look

Print (Best for large graphics)

• Perfect for large back logos

• Ideal for detailed artwork or gradients

• Lightweight and flexible finish

Most businesses choose left chest embroidery for a smart uniform appearance.

Typical Logo Sizes

To help you visualise the final result:

• Left chest embroidery: up to ~10cm wide

• Large back print: up to ~28cm wide

• Sleeve logos: ~6–8cm wide

If your logo needs resizing, we’ll adjust it to suit the garment and placement.

What Happens After You Order
  1. Upload your logo and place your order
  2. Our team checks your artwork
  3. If needed, we confirm any adjustments
  4. Your garments are embroidered or printed
  5. Your order is dispatched with tracked UK delivery

This process ensures your workwear arrives ready for your team to wear.

No Logo Yet?

If you don’t have a logo file ready, you can still place your order and email it to us later at:

enquiries@colorcoded.co.uk

We’ll match it to your order.

Shipping & Turnaround Times

Branded Orders: We aim to dispatch all branded orders within 14 working days from artwork approval. In rare cases, delays may occur due to circumstances beyond our control. If that happens, we’ll keep you informed every step of the way.

Blank Orders: Orders without customisation are typically dispatched within 3 working days.

Payment methods
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa
ColourNavy
Size

✔ We check your artwork before branding

✔ Professional embroidery or print

✔ Free logo setup on first order

✔ FREE delivery on orders over £100ex.VAT

Ordering for 25+ garments?

We'll help you choose the right products, recommend the best branding method and provide a tailored quotation.

Start Your Project →


*Branded items are custom-made and cannot be returned once production begins. Please check sizing and logo details carefully before ordering.*

Branded to Order

Most of our items can be customised with your logo, embroidered or printed, once your artwork is approved.

Fast UK Turnaround

Branded orders: Estimated dispatch within 14 working days from artwork approval. Delays are rare but possible, we'll keep you updated.

Blank orders: Dispatched within 3 working days.

Eco-Friendly Available

Choose from organic and recycled garments to align your workwear with your sustainability goals, without compromising on quality.