90 x 40cm 5 Tier Single Boltless Shelving Unit
90 x 40cm 5 Tier Single Boltless Shelving Unit
90 x 40cm 5 Tier Single Boltless Shelving Unit
90 x 40cm 5 Tier Single Boltless Shelving Unit
90 x 40cm 5 Tier Single Boltless Shelving Unit
90 x 40cm 5 Tier Single Boltless Shelving Unit
90 x 40cm 5 Tier Single Boltless Shelving Unit

90 x 40cm 5 Tier Single Boltless Shelving Unit

Size: 90 X 40 Color: Grey

For ordering more than 50 units, please email at info@g-rack.co.uk for a bespoke price quotation

£28.99 (£24.16 excl. tax) Regular price £37.99 Sale price
Tax included. Shipping calculated at checkout.

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High-Quality Racks

Made from high-grade materials.

5 year Warranty

On each product.

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Certified Seller with top reviews.

Favourable Shipping Terms

On select orders.

Low Minimum Order

Bulk orders starting at 10 units.

Product Specification

  • One 90 x 40cm shelf
  • Moisture-resistant 5mm thick shelves capable of holding up to 175kg
  • Boltless design for quick and easy assembly
  • Long-lasting rust-resistant coating to metal work
  • Moisture-resistant MDF shelves
  • Adjustable shelf height and layout to fit your needs
  • MDF Board
  • Front and Back Beams
  • Side Beams
  • Beam Ties

A single shelf unit in blue, for use with your G-Rack boltless corner shelving system includes the MDF Board and all metal work to fit into your racking quickly and easily at any height you need.

Product Details

A 0.8mm thick steel frame and 5mm thick extra shelf gives your shelving unit a maximum load weight of 175kg per shelf.

This G-Rack spare shelf comes with a long-lasting rust-resistant painted coating on the steel frame, and moisture-resistant MDF shelf boards help to keep your shelving looking great, even under heavy use.

Our no-nonsense boltless design ensures that assembly is quick and easy without sacrificing structural integrity, as all you need is a rubber mallet (sold separately) to knock the framework together.


If you are using your extra shelving in an area of high dampness or humidity, or if there's a chance that it might become wet, then you should paint or varnish your MDF shelf boards with any oil-based wood finish product to add further protection. Ensuring use in a ventilated area is also recommended.

All G-Rack racking and shelving come guaranteed, so if you have any issues with your order, call or email us, and a member of our UK customer service team will be on hand to help you.



What is the ideal use for a 40cm shelf?

A 40cm shelf is versatile and suits various applications. It's commonly used for organising smaller items, books, or decorative pieces in compact spaces.

Can storage shelf racks be used outdoors?

It depends on the material and finish. Some racks are designed for indoor use, while the G-Rack MDF shelf board has weather-resistant features that can withstand outdoor conditions. If they tend to become wet, you should paint or varnish your MDF boards with any oil-based wood finish product to further protect them. 

What is MDF, and why is it popular for shelf boards?

Medium-density fiberboard (MDF) is an engineered wood product known for its affordability, durability, and smooth surface, making it suitable for shelf boards.

When should I consider adding extra shelving to my storage space?

Extra shelving is beneficial when existing storage is insufficient. It's ideal for expanding storage capacity in closets, kitchens, or utility rooms.

How do I maintain and clean MDF shelf boards?

Clean with a damp cloth, avoiding excessive water. Use mild cleaning agents and avoid abrasive materials to prevent damage to the MDF surface.

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  • 5 Year Warranty

  • Free Delivery & Returns


Heavy Duty Storage

Made with High Grade Material

Satisfaction Guaranteed

With G-Rack 5 Year Warranty

Fast & Free Delivery & Returns

Everytime on every purchase

Boltless Flexible Assembly

To fit in every environment


Incl. Connector

Sturdy, heavy-duty adjustable
storage shelves:

Trust G-Racks' market-leading shelving systems - highly valued 
by thousands of customers!

1 x 90 x 40cm


Main Features:

Screw-less design for quick, easy assembly, rust-free metal coating, moisture-resistant MDF panels for durable shelves, adjustable shelf height, and layout.

Organise with G-racks market leading shelf systems

Recreate your space in a short time with these heavy duty shelves. The MDF shelves are made from high quality materials and are perfect for your garage, storage room, basement or pantry.

Reliable, robust, durable shelves.

Each shelf can hold an extra heavy load of up to 175 kg (875 kg total load). ). Each storage shelf rack is made from moisture resistant MDF to prevent sagging and has a black rustproof coating to keep your shelves in top condition for years.


Ready to use in minutes

Quick and easy. Our innovative screwless shelving assembly system allows you to assemble the individual shelves without bolts or screws.

Adjustable Layout

Each workbench and shelving unit consists of 2 free standing units that can be quickly and safely stacked on top of each other: Choose for yourself whether you prefer a whole (180 cm) or only half-height
(90 cm) shelf!

Durable storage system

Each deep shelf unit has a rust-proof coating to keep its shelves in top condition for years. It also has non-slip rubber feet for 
optimum stability.

No sagging of the individual shelves

Each shelf can hold an extra heavy load of up to 175 kg (875 kg total load). Each shelf is supported by a binding beam and made from moisture-resistant MDF to prevent bending of the shelves.


Technical Details

Part Number (SKU)
Product Dimensions
‎90 x 40cm; 2 Kilograms
Item Package Quantity
Number Of Pieces
Special Features
Item Weight
‎15.5 kg
Installation method
Requires assembly

Customer Reviews

Based on 1159 reviews
Paulo Perdiz

90 x 40cm 5 Tier Single Boltless Shelving Unit

Grandma Putters
Great shelving unit for the garage

Easy to assemble

Craig M.
Great for organising shed

Very easy to assemble and the frame is light but sturdy with bracing crosspieces. Assembled in the garden and then carries into shed where the shelves were added. Needs to be screwed to the wall to be safe. You have a choice of configurations. Stored all of my gardening paraphernalia as well as tool box, etc.


Very strong and easy to build

Tips before you start

I think this is a good sturdy product.Once you crack how to assemble, it flies together.1. Before you start choose where the shelves are going (leave space for top to base connector).2. use a screwdriver to open the slots you will be using by a couple of mm (do this both top and bottom of each opening so that the lip passes straight through).3. Assemble bottom half in its entirety.4. Then put top verticals in and work around putting cross members in.Wear gloves as some sharp edges and screwdriver flying around.I didnt worry about getting the lips 100 engaged as seems sturdy enough to me push tight.

Shipping and Returns

Shipping Options and Estimated Delivery Times:

Our company offers a variety of shipping options to ensure your Widespan Shelving System reaches you promptly and securely. We partner with trusted shipping carriers to deliver your order efficiently. The estimated delivery times may vary based on your location and the shipping method chosen during checkout. However, we strive to dispatch orders promptly and provide timely tracking updates, so you can stay informed about your delivery.

Returns Policy:

Customer satisfaction is our top priority, and we want you to be fully satisfied with your Widespan Shelving System purchase. If, for any reason, you are not completely happy with your order, we offer a straightforward returns policy. You may return the unused and unopened shelving units within a specified time frame from the date of delivery. Please refer to our Returns Policy for detailed instructions and guidelines.

Applicable Fees:

While we endeavour to provide hassle-free returns, please note that certain fees may apply, including return shipping fees and restocking charges, depending on the reason for the return and the condition of the returned items. Rest assured, we are transparent about any applicable fees, and our customer support team will gladly assist you in the return process.

Customer Satisfaction:

We take pride in offering high-quality Widespan Shelving Systems, and our aim is to ensure you are delighted with your purchase. If you have any concerns or questions about our shipping options, estimated delivery times, or returns policy, please don't hesitate to contact our dedicated customer support team. We are here to assist you and provide a sm