Single piece galvanised masonry hangers for supporting timber joists from brick or block walls. Straight top flange, no welds, available in six depths from 47x100mm to 47x225mm. Sold in boxes of 10.
Size
Price
QTY
47 x 100mm
£18.90£22.68
47 x 125mm
£19.80£23.76
47 x 150mm
£20.80£24.96
47 x 175mm
£21.80£26.16
47 x 200mm
£23.80£28.56
47 x 225mm
£24.70£29.64
Masonry hangers are the straightforward way to support timber joists directly from a brick or block wall without the need for a wall plate or additional steelwork. These single piece galvanised masonry hangers are pressed from pre-galvanised steel in one form, meaning there are no welds to fail and no hidden weak points. The straight top flange sits cleanly into the mortar course during brickwork, and the joist drops into the cradle once the wall has been built up around it.
Manufactured from pre-galvanised steel, these hangers carry a high level of corrosion resistance suited to the damp and variable conditions that come with masonry construction. Whether the wall is going up from scratch or the hanger is being built in during a renovation, the galvanised finish means the fixing will perform for the life of the structure without any additional treatment.
Where Masonry Hangers Fit Into the Build
These hangers are designed for use in timber floor and ceiling joist construction where the joists bear onto a brick or block wall. The hanger is laid into the mortar bed as the wall is built, with the flange pointing outward. Once the brickwork has cured, the joist sits in the hanger and is fixed through the pre-punched nail holes in the sides.
Six depth sizes are available, running from 47x100mm through to 47x225mm, covering the most common regularised and sawn timber joist depths used in domestic and commercial construction. It is worth noting that hangers above 150mm are manufactured 10mm shorter than the nominal joist depth. This allows for notching and accounts for regularised timber tolerances, so the joist sits correctly without the hanger forcing the timber proud of the flange line.
Sizing and Timber Compatibility
The 47mm width suits standard 47mm sawn or regularised timber joists, which remain the most common section used across housebuilding and extension work. If you are working with 45mm planed timber rather than sawn, check the fit before building in, as the hanger width is matched to the sawn section. The available depths cover 100mm, 125mm, 150mm, 175mm, 200mm, and 225mm joists, so you should find the right size for most standard floor and flat roof constructions without having to source non-standard fixings.
Sold in boxes of 10, these masonry hangers suit both small jobs and larger floor builds where you are running a consistent joist spacing throughout. For a typical domestic extension floor, a single box will often cover a good run of joists at 400mm or 600mm centres, depending on the span. Stock a couple of boxes and you will not find yourself short mid-build, which is rarely a good position to be in when the bricklayer is waiting to carry on.
Pro Tip: Always check your mortar has fully cured before loading the joists into the hangers, as disturbing the top flange in green mortar can compromise the bearing and lead to movement in the finished floor.
Galvanised masonry hangers are used across new build housing, extensions, loft conversions, and commercial construction wherever timber joists need to be carried off a brick or block wall. They are particularly common in ground floor timber deck construction, first floor suspended floors, and flat roof joist buildups. Groundworkers, bricklayers, and carpenters all encounter these fixings regularly on mixed-trade domestic projects.
Best For
Supporting timber joists from brick or block walls
Hangers over 150mm made 10mm short for notching allowance
Sold in boxes of 10
Not suitable for: Not suitable for use with timber sections narrower or wider than 47mm without checking the fit, and not designed for steel or engineered joist applications. These are built-in hangers and are not suitable for retro-fitting into existing walls after the brickwork has cured.
Masonry hangers are built into the wall as brickwork progresses. The top flange is placed into the mortar bed at the correct course height, with the cradle facing outward at the bearing point. Brickwork is then built up around the flange on either side to lock the hanger in place. Once the mortar has fully cured, the timber joist drops into the cradle and is fixed through the nail holes in the sides and base of the hanger.
Mark out joist centres on the wall before laying the relevant courses, so you can position each hanger accurately as you go. Getting the height right at this stage avoids any awkward packing or shimming later. Nailing through every available hole in the hanger gives you the full load capacity of the fixing, so do not skip this step once the timbers are in.
Mark joist centre positions on the wall before brickwork reaches hanger height
Lay the mortar bed at the correct course and position the hanger with the top flange flat in the mortar and the cradle facing outward
Build brickwork up on both sides of the flange to lock the hanger into the wall
Allow mortar to fully cure before applying any load to the hangers
Drop the timber joist into the cradle and check it sits flush and level
Fix the joist through all pre-punched nail holes in the sides and base of the hanger using appropriate joist hanger nails
Why are hangers over 150mm made 10mm shorter than the joist depth?
Deeper joists are more likely to require notching at the bearing end, and regularised timber can vary slightly in finished depth. Manufacturing the hanger 10mm under the nominal size ensures the joist sits correctly in the cradle without being pushed proud of the flange, which would prevent a proper bearing and could affect floor level.
Can these masonry hangers be used with 45mm planed timber rather than 47mm sawn?
The hangers are sized for 47mm sawn or regularised timber. A 45mm planed section will be slightly loose in the cradle, which may not give a tight enough fit for structural purposes. Check with your structural engineer or building inspector if you are working with planed timber before specifying these fixings.
How many nails should be used when fixing the joist into the hanger?
Every pre-punched nail hole in the hanger should be filled to achieve the full load-bearing capacity of the fixing. Using only some of the holes reduces the rated capacity and may not satisfy your building inspector or structural requirements. Use proper joist hanger nails rather than standard wire nails for this purpose.
These single piece masonry hangers are formed from pre-galvanised steel sheet, pressed to shape without welding. The absence of welds removes a common corrosion initiation point and ensures consistent strength across the fixing. The pre-galvanised coating provides corrosion resistance suited to the embedded and semi-exposed conditions typical of masonry construction. Hangers in depths above 150mm are manufactured 10mm under the stated joist depth to accommodate regularised timber tolerances and end notching.
Material
Pre-galvanised steel
Construction
Single piece, no welds
Flange type
Straight top flange
Width
47mm
Available depths
100mm, 125mm, 150mm, 175mm, 200mm, 225mm
Depth tolerance note
Hangers above 150mm manufactured 10mm under nominal depth
Box quantity
10
Finish
Galvanised
Size
47 x 100mm, 47 x 125mm, 47 x 150mm, 47 x 175mm, 47 x 200mm, 47 x 225mm
Box Quantity
10
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