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Mini joist hanger vs standard

Updated: 23 October 2026

You are trimming a ceiling hatch around 100 mm, or hanging a joist closer to 150 mm, and both results are called joist hangers. Mini joist hanger vs standard is a depth question. A mini here is the short hanger for timber up to about 100 mm. A standard leg is the longer strap for about 150 to 250 mm, and the wrap sentence belongs only on the listing that prints it. Seat width and the nail stay on the [joist hanger buying guide](/hub/diy-supplies/joist-hanger/sub/joist-hanger-buying-guide). Prices are on the [joist hanger comparison](/hub/diy-supplies/joist-hanger). Updated 23 October 2026 by Peter F. We compared the depth lines on these amazon.co.uk listings. We did not load either hanger. A qualifying purchase can earn a commission at no extra cost to you.

You are trimming a ceiling hatch around 100 mm, or hanging a joist closer to 150 mm, and both results are called joist hangers. Mini joist hanger vs standard is a depth question.

Our top picks

BPC Fixings BPC mini joist hangers, 47 mm, 10-piece

Best overall

BPC Fixings BPC mini joist hangers, 47 mm, 10-piece
8.4/10about £9.70
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FIXINGS DIRECT FIXINGS DIRECT mini hangers, 50 mm, 10-piece

Best value

FIXINGS DIRECT FIXINGS DIRECT mini hangers, 50 mm, 10-piece
7.5/10about £8.99
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BPC Fixings BPC standard-leg hangers, 47 mm, 50-piece

Alternative

BPC Fixings BPC standard-leg hangers, 47 mm, 50-piece
7.9/10about £41.95
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On this page
  1. 1.A mini is the short hanger, up to about 100 mm
  2. 2.A standard leg is the 150 to 250 mm strap
  3. 3.Two millimetres thick is not the same as a longer leg
  4. 4.The side should cover enough of the joist

A mini is the short hanger, up to about 100 mm

Use a mini when the timber is within about 100 mm and the job is light: a ceiling hatch, a trimmer, or a shallow joist the bullet names. BPC’s 10-piece, MINI/47/10PK at £9.70, prints a 47 mm seat and timber up to 100 mm, including hatches. It is 4.6 from 145 ratings, and one UK review says 47 mm was exact. The 50-piece, MINI/47/TRADE at £28.69, makes the same depth claim, and one UK review received about half the box. AB Tools’ 20-pack also says up to 100 mm, with an item-depth field of 38 mm beside a 47 mm title. The amazon 10-piece bullet says 0.8 mm and the item-depth field says 0.9 mm, so the thickness is unsettled. A hatch is the job the bullets name. It is not a bedroom floor. The top pick is the 10-piece, with the skip reasons on best joist hangers.

A standard leg is the 150 to 250 mm strap

Use the standard leg when the joist is in the band that listing prints: 150 to 250 mm, at a 47 mm seat. BPC’s A270/47/TRADE is the only row that says so. It is £41.95 for a titled 50, 0.9 mm, 4.4 from 47 ratings, with wider 50 mm straps. The bullet says the leg can wrap over, or you face-fix it. That sentence does not move onto the minis. The maker’s A270 sheet carries UKCA language. That is the manufacturer’s document, not a mark we found on these cartons. UK reviews call the steel thin and say a lot of fixings are required. One box arrived as 49. If the joist is 200 mm and you fit a mini because it was also 47 mm, the seat matches and the side does not. If the timber is within about 100 mm, use a mini. If it is in the 150 to 250 mm band, use this listing and wrap only because that bullet says you may. If it sits between those bands, or deeper than 250 mm, neither row is the answer. The fitting warning is on how to fit joist hangers.
BPC Fixings BPC mini joist hangers, 47 mm, 10-piece

Testsieger

BPC Fixings BPC mini joist hangers, 47 mm, 10-piece
8.4/10about £9.70
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Two millimetres thick is not the same as a longer leg

Thickness is not depth. FIXINGS DIRECT’s multi-truss hanger is 2 mm, titled for joists up to 6x2, at £50.99. The size bullet is 47 mm or 50 mm wide and 75 mm deep. Seventy-five millimetres of steel is not a standard leg for 150 to 250 mm timber. The title says a pack of 20 and the unit count says 5. Do not print a unit price from either count. Xingwenhao’s type-B four-pack is 1.9 mm, with an inner size of 46 x 91 mm. One UK review said a 2x4 rocked because there were no side holes. A mini is there to nail the sides. LLB is 2.0 mm Z275 with a 30 mm seat, and 16.97 kN printed as 1,730 kg with no method. Two millimetres on the wrong width does not become the 150 to 250 mm strap.

The side should cover enough of the joist

The failure of the wrong depth is rotation. BPC’s mini sheet asks for sides at least 60 percent of the timber height, a gap of no more than about 6 mm, and all the holes filled. A 100 mm mini on a 220 mm joist is not at 60 percent. You do not fix that by bending the mini. The sheet that allows a wrap is the standard leg. Fill the holes with the 30 x 3.75 mm square-twist nail, bought separately. A deeper hanger does not turn a ceiling into a floor. A habitable loft is Building Regulations work under Approved Document A in England. If the member is outside the 100 mm band and the 150 to 250 mm band, take the drawing to an engineer or Building Control.

Common questions

What depth is a mini for?
The mini bullets say timber up to 100 mm, and they name ceiling hatches. That covers the BPC 10-piece, the BPC 50-piece, and the AB Tools 20-pack, all titled 47 mm. A joist at 150 mm or more is outside that sentence even if the seat still says 47 mm.
What depth is a standard leg for?
The BPC standard-leg listing prints 150 to 250 mm, with 50 mm strap legs, at 47 mm and 0.9 mm. The maker’s A270 page describes the same band and allows face fixing or a wrap. One UK review received 49 of 50. The wrap is part of that listing only.
Can I wrap a mini because the standard leg says wrap?
No. The wrap sentence is on A270/47/TRADE. The mini pages do not say it. A review that found the 50-piece mini pliable at a T joint is not a published wrap. Bending a mini can crack the steel, and cracked steel is replaced.
Is a ceiling hatch a mini job?
The bullets say yes, as trimming around a hatch, for timber within about 100 mm. That is not a yes for a new loft floor. You still match 47 mm or 50 mm to the timber, buy the specified nails, and count the box. The 10-piece is the row with a UK review that 47 mm was exact.
Is the 2 mm multi-truss a standard leg?
No. The size bullet prints 75 mm depth, while the title mentions joists up to 6x2. A standard leg here is the 150 to 250 mm BPC strap. The pack count is also unstable: 20 in the title, 5 in the unit field. Thicker metal does not lengthen the leg.
Is the black type B a mini?
No. The inner height is 91 mm, and the product is a U-shaped connector. One UK review said there were no side holes and a 2x4 rocked. A mini is a side-nailed hanger for a shallow joist. This four-pack is a different fixing, at 1.9 mm, with no zinc mass.

Related pages

Joist hangers for decking

Joist hanger

Best joist hangers for a UK hatch or a shallow joist

How to choose a joist hanger by width, depth and nail

How to fit joist hangers and fill every named hole

Sources

Public UK sources and the amazon.co.uk listings compared on this page. Listings captured 21 October 2026. Updated 23 October 2026.

  1. Simpson Strong-Tie hanger installation (retrieved 21 October 2026)
  2. BPC mini hangers (retrieved 21 October 2026)
  3. BPC standard timber-to-timber hangers (retrieved 21 October 2026)
  4. Cullen technical guide 2022 (retrieved 21 October 2026)
  5. ITW EC5 guidelines (retrieved 21 October 2026)
  6. Approved Document A (retrieved 21 October 2026)
  7. CPA loft conversion project guide (retrieved 21 October 2026)
  8. HSE working at height (retrieved 21 October 2026)
  9. PBC Today: joist hangers (retrieved 21 October 2026)
  10. Arras CF joist hanger ETA (retrieved 21 October 2026)