A 4-tier boltless rack gives you four levels of shelving that lock together without nuts or bolts, so it goes up quickly and can be changed when your storage changes. This guide covers the 4-tier boltless rack in Singapore as ASC Racking supplies it: the sizes you can order, the 300kg shelf rating, full metal versus PVC laminated shelves, and how to pick a size that fits your storeroom, office or warehouse.
A 4-tier boltless rack is a freestanding shelving unit with four adjustable levels that fits together without bolts. In Singapore, ASC Racking offers it with full metal shelves or PVC laminated 9mm HDF board shelves, rated at 300kg per shelf, in heights from 1840mm to 3000mm, lengths from 600mm to 1800mm and depths of 300mm, 450mm or 600mm.
What is a 4-tier boltless rack?
A boltless rack is built from upright posts, beams that slot into the posts, and shelf panels that rest on the beams. Nothing is screwed or bolted together. The parts lock into place, which is why the design is called boltless.
“4-tier” means the rack has four shelf levels. Because the beams slot into the uprights, you can move a level up or down to suit taller or shorter items, instead of living with fixed gaps. If you are new to this type of shelving, our guide to boltless racking in Singapore explains how the system works in more detail.
4-tier boltless rack sizes you can order from ASC
ASC’s 4-level racks come in a set of standard dimensions, and you choose each one separately, so the rack can be sized to a wall, an alcove or a storeroom rather than the other way round.
| Dimension | What it measures | Options (mm) |
|---|---|---|
| Height | Floor to the top of the uprights | 1840, 2160, 2440, 2760, 3000 |
| Length | Width of the rack along the wall | 600, 750, 900, 1050, 1200, 1350, 1500, 1800 |
| Depth | Front to back of each shelf | 300, 450, 600 |
Colours depend on the shelf type. The full metal rack comes in Off White, Black or Black Frame, and the PVC laminated rack comes in Off White or Black.
How to choose the right size
It is easy to measure the floor and forget everything around it. Work through these four checks before you order.
1. Measure the wall length
Measure the wall or gap where the rack will stand, then pick the longest standard length that still leaves room for skirting, a power point or a door frame. A rack that is slightly shorter than the space is easier to live with than one that blocks a switch.
2. Check the ceiling height
Measure floor to ceiling, and note anything that hangs lower, such as a light, a pipe or a door that swings inward. Choose a height that clears all of them. Remember that the top level is only useful if you can reach it safely, so think about who will use the rack and whether a step stool is practical.
3. Match the depth to what you store
Depth is where the right choice depends most on your items. A 300mm depth keeps a narrow corridor or storeroom walkable and suits files, tins and small boxes. A 450mm depth fits most storage boxes. A 600mm depth suits larger cartons and bulky stock, but takes up more floor.
4. Pick the shelf finish
Finally, decide between full metal shelves and PVC laminated shelves. The next section compares the two.
Full metal vs PVC laminated shelves
Both versions share the same boltless frame, the same size options and the same 300kg per shelf rating on ASC’s product pages. The difference is the shelf surface, the colours and the price.
| Full Metal (4 Levels) | PVC Laminate (4 Levels) | |
|---|---|---|
| Shelf surface | Metal shelves with epoxy powder coating | PVC laminated 9mm HDF board |
| Rated load | 300kg per shelf | 300kg per shelf |
| Colours | Off White, Black, Black Frame | Off White, Black |
| Listed price range | $165 to $400 | $145 to $335 |
| Best for | Garages, warehouses, tools and heavy stock | Homes, offices and storerooms where a clean finish matters |
Prices are the ranges listed on ASC’s shop when this guide was updated. The final price depends on the height, length, depth and colour you choose, so check the Full Metal (4 Levels) rack and the PVC Laminate (4 Levels) rack for the current figure.
Choose full metal when the rack will hold tools, spare parts or stock that is dragged on and off the shelf, or when it stands in a garage or warehouse where scuffs are expected.
Choose PVC laminate when the rack is in a home, office or shop backroom, you want a smooth board that is easy to wipe clean, or you want the lower starting price. For a longer look at the trade-offs, see PVC laminate vs full metal storage racking.
Where a 4-tier boltless rack fits in Singapore
ASC designs its 4-level racks to fit HDB flats and condo units as well as commercial spaces. Common places for one include:
- HDB and condo storerooms: a single rack along one wall turns a cluttered floor into four levels of labelled boxes. Our store room rack guide covers storeroom layouts.
- Kitchens: the epoxy powder coating is there to resist rust in humid areas.
- Offices: for archive boxes, stationery and equipment, where a shallow depth keeps walkways clear.
- Retail backrooms: for cartons of stock that need to be found and moved quickly.
- Warehouses and workshops: for hand-picked cartons, parts and tools. For warehouse planning, see heavy-duty 4-tier storage racks for warehouses.
A 4-tier boltless rack is loaded by hand. If your goods sit on pallets and are moved by forklift, you need pallet racking instead, which is a different system.
Delivery, installation and adjusting it later
ASC’s product pages state that installation is included in the price, so the rack is set up for you rather than left as a box of parts. They also state same-day delivery for orders placed before 2 PM.
The boltless design matters after installation too. When your storage changes, you can lift a beam out and move a level without tools. ASC states that a 4-level rack can be assembled in about 15 minutes. For more on why movable levels are worth having, see adjustable vs fixed shelving.
Loading a 4-tier boltless rack safely
The 300kg figure is a rating per shelf, and it assumes the rack is standing and loaded properly. A few habits keep it that way:
- Put the heaviest items on the lowest levels. This keeps the rack stable and makes heavy items easier to lift.
- Spread the weight across the shelf. Avoid stacking everything in one spot, especially in the middle of a long shelf.
- Stay within the rating. If you are unsure how much a shelf is holding, weigh a full box and count.
- Stand it on a level floor and keep it upright and square after you move a level.
- Check it now and then for bent beams or loose shelves, and fix anything before you load it again.
Our rack loading and inspection guide goes into safe loading in more detail.
A single rack, or an L-shaped or U-shaped layout?
A single 4-tier rack follows one wall. If you want to use a corner, the Full Metal L-Shaped (4 x 4 Levels) rack joins two racks at a right angle. For a storeroom where you want shelving on three sides, the Full Metal U-Shaped (4 x 4 x 4 Levels) rack wraps around the space. Both use the same height, length and depth options as the single rack. Our comparison of single vs L-shaped boltless racking can help you decide.
Frequently asked questions
How much weight can a 4-tier boltless rack hold?
ASC lists both its Full Metal (4 Levels) and PVC Laminate (4 Levels) racks at 300kg per shelf. That is a rating for each level, not a total you can pile onto one shelf. Keep the heaviest items low, spread the weight evenly across the shelf, and stay within the rating on every level.
What sizes does a 4-tier boltless rack come in?
ASC offers heights of 1840mm, 2160mm, 2440mm, 2760mm and 3000mm, lengths from 600mm to 1800mm, and depths of 300mm, 450mm or 600mm. You choose each dimension separately, so the rack can be sized to a particular wall, alcove or storeroom.
Should I choose full metal or PVC laminate shelves?
Choose full metal for garages, warehouses, tools and stock that is dragged on and off the shelves. Choose PVC laminate for homes, offices and storerooms where you want a smooth, easy-to-clean board and a lower starting price. Both carry the same 300kg per shelf rating on ASC’s product pages.
Can I adjust the shelves after the rack is installed?
Yes. The beams slot into the uprights without bolts, so you can lift a level out and move it up or down without tools. It is a good idea to unload the shelf first, and to check the rack is standing level and square before you load it again.
Is installation included?
ASC’s product pages state that installation is included in the price, whether you order one rack for a home or several for a business. The pages also state same-day delivery for orders placed before 2 PM. Check the product page or contact ASC to confirm for your order and location.
Will a 4-tier boltless rack fit in an HDB storeroom?
ASC designs its 4-level racks to fit HDB flats and condo units. Measure the wall length, the floor-to-ceiling height and any door swing first, then pick a length, height and depth that clear them. A 300mm depth leaves the most floor space free in a narrow storeroom.
Choosing your 4-tier boltless rack in Singapore
The right 4-tier boltless rack comes down to three measurements and one decision. Measure the wall and the ceiling, match the depth to what you store, then choose between full metal and PVC laminated shelves. With the size options ASC offers, the rack can be sized to the space you actually have.
Not sure which size fits your space? Send ASC Racking your measurements and what you plan to store, and request a free quote.
