A balcony shelf that clamps on, 15 kg, no drilling, no damage
Balcony gardening is a rental market, and renters cannot drill. That single constraint is the whole product: a clamp that fits the rail, a shelf that drains away from the wall, and a weight limit a tenant can trust.
Model TB-WG-180 · HS 4421.99 · Made in Jiangsu, China
A clamp-on balcony shelf for rails from 30 to 60 mm, carrying 15 kg without a single hole in the wall. MOQ 200 pcs, larch or treated pine, galvanised clamp with rubber pads, quoted per drawing with the rail range and torque limit printed on the fixing bag.
Why buyers pick this line
30–60 mm, stated. Most clamps on the market top out at 40 mm and quietly fail on a wide rail. Ours is a two-plate galvanised clamp with 15 mm of travel and rubber on both faces, so paint survives.
Torque limit on the label. Over-tightening cracks rail coatings and causes the complaints; the bag says stop at 6 N·m and shows a picture of what too far looks like.
Drainage away from the wall. Tray bottoms get 4 mm weep slots and the whole unit sits 40 mm off the rail, so runoff lands on the balcony floor, not on render.
Wind is designed for. A 100 cm shelf is a sail at 15 kg; a safety strap to the rail is standard, and we state the load for the size you order rather than one number for the range.
How the quote is built
200+volume tier
500+volume tier
2,000++volume tier
We quote from your spec sheet, not from a public list: face profile, species, finish, hardware, packing and
order quantity. Send a drawing or a sample and you get a tiered offer with the packing list and CBM per container
inside 24 hours.
One unit per carton, 0.06 m³, clamp bagged with torque card, corner protectors
Container load
40'HQ ≈ 1,800 pcs · 20'GP ≈ 720 pcs
Weight
2.6–4.4 kg per unit
Payment
30% T/T deposit, 70% against copy of B/L; L/C at sight for larger orders
Spec sheet: Balcony Railing Plant Shelf
Attribute
Standard configuration
Widths
60 / 80 / 100 cm, 22 cm deep
Rail range
30–60 mm, two-plate clamp, 15 mm travel
Load
12 kg (60 cm) / 15 kg (100 cm), proof-tested at 3×
Timber
Larch 20 mm, or ACQ-treated pine
Clamp
Galvanised steel, rubber pad both faces, torque limit 6 N·m
Drainage
4 mm weep slots, 40 mm stand-off from the rail
Safety
Strap to the rail included; wind-load guidance per width
Finish
Penetrating exterior oil, or exterior paint system
Volume tiers (pricing is built from your spec, not from a list)
Order quantity
What changes commercially
200–499
60 cm, oiled larch, clamp + strap, kraft carton
500–1,999
Three widths, printed sleeve, barcode, instruction card
2,000+ / 40'HQ
Own-brand programme, painted range, mixed widths
Construction & materials
Materials, moisture and finish
Larch, not pine, for anything that stays outside: it takes a penetrating oil, greys honestly and does not need a film finish to survive a winter. Treated pine is the cheaper route and perfectly serviceable if the buyer accepts the green tint or a painted system on top.
Timber options we keep in our local supply pool
Species / board
Where it wins
Watch out for
Two-plate clamp with rubber faces and the weep slots that keep runoff off the wall
Penetrating exterior oil: natural, recoat every 3–5 seasons
Exterior paint system: primer plus two topcoats, RAL or Pantone matched
Charred / yakisugi look: brushed and oiled, for the design-led tier
Application & compliance
How this ships and what paperwork comes with it
Balcony buyers shop in spring, in cities, on a phone. The listing that wins shows the clamp, the rail and a pot in the same frame, which is also the image a marketplace compliance team asks for.
MountingNo-drill certified
Clamp range, torque limit and load rating tested and printed on the fixing bag.
DrainageWeep slots + air gap
4 mm slots and a 5 mm stand-off so a wet pot never stains render or warps the shelf.
ExteriorPenetrating oil system
Larch or treated pine; interior lacquer never sold for balcony use.
Safety fileGPSR / Prop 65
Technical file, EU responsible-person data and market-specific fixing instructions.
Balcony goods carry a fall-risk question, so the box states the load, the rail range and the safety strap, in the language of sale. EU orders include the GPSR file and responsible-person data; US orders carry a Prop 65 statement where the coating requires one. Exterior finishes are declared under REACH.
FAQ
Objections we handle weekly
The answers below are the ones we give on the phone. Anything missing, ask on WhatsApp.
My customer's rail is thicker than 40 mm. Does it fit?
Yes. 30 to 60 mm is the designed range, which covers the square-section rails on most European and UK balconies. Send us the rail section if it is unusual; a wider clamp plate is a drawing change, not new tooling.
How much weight can a tenant safely put on it?
12 kg on the 60 cm and 15 kg on the 100 cm, spread along the shelf, with the strap fitted. Three watered 20 cm pots are around 9 kg. We test at three times the rating and print a single number on the label, because a range is what gets ignored.
Will it damage the paint on the rail?
Not if the torque limit is respected. Rubber pads both faces, 6 N·m maximum, and an instruction card that shows an over-tightened clamp. It is the cheapest way to avoid the one-star review this category earns most.
JGJeffrey GuExport manager · your account owner · online now
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