Decorative balustrades · Flatbar Juliets · Roundbar JulietsSteel Juliets: four side fixing plates
R30 development geometry. Appearance and arrangement carried forward from the reviewed slim-flatbar concept. No regulatory, manufacture, anchor or physical-test approval is established. Aluminium and other balcony forms are unchanged.
64 configurations: 12 decorative patterns × two repeats × two fixing types; four standard flatbar references × two fixings; four standard roundbar references × two fixings.
Downloads
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- Flatbar Juliet STEP, BOM, draft cutting and calculation pack
- Roundbar Juliet STEP, BOM, draft cutting and calculation pack
Complete dimensions and configuration matrix
Measure the opening, then select the fixing
Front face: measure the clear structural opening and the available wall face on both sides. Example overlap is33mm per side. The plate anchor axes are125mm from the opening edges in the example. Confirm actual substrate, anchor edge requirements, render/cladding thickness, sill projection and window swing.
Reveal: measure the width between the structural reveals at all four plate locations. The examples allow10mm plate thickness and5mm fitting space per side. Packing, allowable tolerances, bolt access and the final frame width must be specified for the actual opening.
Reference width is not clear opening width. A1200 frame reference has1166mm between its outside frame edges. Its example opening is1100mm for front-face fixing or1196mm for reveal fixing. Do not order solely from the reference number.
Construction changes
Matching40 ×8mm flatbar ends replace the box-section concept. The1800 front-face variants use50 ×8mm end bars following the local torsion screen, retaining the same8mm visible edge. Four140 ×120 ×10mm side plates have two nominal diameter14mm holes each. The former below-threshold extensions and strips are removed. A continuous40 ×10mm bottom perimeter rail remains; the60 ×10mm top rail sits20mm forward of the upright front plane to clear the wall. Flush welded joints replace former top locating tongues; production locating, weld details and tolerances remain to be issued.
Roundbar Juliets retain20mm stock rods, now re-pitched between the perimeter members to keep nominal gaps below90mm. The former60 ×12 posts and drilled carrier construction are superseded for the steel Juliet variants only.
Preliminary calculation summary
Linear out-of-plane beam grillage with rigid joints and ideal pinned wall restraints. S235 lower reference, E210GPa. Separate0.74kN/m line,1.0kPa gross infill pressure and500N frame point loads;1.5 variable action factor for strength screens. Infill stiffness is not credited; local perforated-sheet behaviour is not assessed.
| Frame | Fixing | Frame movement: line / pressure / point | Frame stress ratio | Face local ratio |
|---|
| decorative-1200-b2 | face | 0.51 / 1.20 / 1.58 mm | 0.34 | 0.85 |
| decorative-1200-b2 | reveal | 0.51 / 1.20 / 1.58 mm | 0.34 | Not applicable |
| decorative-1200-b3 | face | 0.46 / 1.26 / 1.61 mm | 0.35 | 0.85 |
| decorative-1200-b3 | reveal | 0.46 / 1.26 / 1.61 mm | 0.35 | Not applicable |
| flatbar-900-b0 | face | 0.18 / 0.46 / 1.18 mm | 0.31 | 0.85 |
| flatbar-900-b0 | reveal | 0.18 / 0.46 / 1.18 mm | 0.31 | Not applicable |
| flatbar-1200-b0 | face | 0.52 / 1.15 / 1.46 mm | 0.31 | 0.85 |
| flatbar-1200-b0 | reveal | 0.52 / 1.15 / 1.46 mm | 0.31 | Not applicable |
| flatbar-1500-b0 | face | 1.20 / 2.72 / 2.38 mm | 0.36 | 0.92 |
| flatbar-1500-b0 | reveal | 1.20 / 2.72 / 2.38 mm | 0.36 | Not applicable |
| flatbar-1800-b0 | face | 2.39 / 5.43 / 3.92 mm | 0.45 | 0.86 |
| flatbar-1800-b0 | reveal | 2.44 / 5.51 / 3.98 mm | 0.45 | Not applicable |
| roundbar-900-b0 | face | 0.19 / 1.22 / 3.86 mm | 0.70 | 0.86 |
| roundbar-900-b0 | reveal | 0.19 / 1.22 / 3.86 mm | 0.70 | Not applicable |
| roundbar-1200-b0 | face | 0.52 / 1.80 / 4.14 mm | 0.70 | 0.86 |
| roundbar-1200-b0 | reveal | 0.52 / 1.80 / 4.14 mm | 0.70 | Not applicable |
| roundbar-1500-b0 | face | 1.20 / 2.98 / 4.57 mm | 0.70 | 0.92 |
| roundbar-1500-b0 | reveal | 1.20 / 2.98 / 4.57 mm | 0.70 | Not applicable |
| roundbar-1800-b0 | face | 2.33 / 5.11 / 5.16 mm | 0.70 | 0.86 |
| roundbar-1800-b0 | reveal | 2.38 / 5.16 / 5.18 mm | 0.70 | Not applicable |
Ratios below1 are limited reference stress screens, not an assembly pass or a maximum-span declaration. A separate illustrative2kPa gross pressure brings the1200 face-fixed40 ×8 end-bar screen close to reference yield. Actual wind pressures and load combinations must be established for every project.
Outstanding verification
Complete frame/panel interaction; local cut-pattern stresses and deflection under the revised supports; weld geometry, quality and access; plate prying and stiffness; anchors, supporting wall and edge distances; wind and other applicable actions; dimensional tolerances, coating, drainage, loaded gaps and climbability; physical proof tests. No verified safe load or completed costing is claimed. Rate inputs and production times are outstanding; enquiries remain quotation-only.
Manufacturer load-table reference · Approved Document K · SCI connection reference