Repair Systems — 03 — Facade & External Envelope
Render stop beads & screed beads
Technical product reference for aluminium and PVC render stop beads and screed beads used in render repair, removal and reinstallation works on Australian Class 2 strata and commercial buildings. Covers render termination locations, material selection, and product comparisons.
What are render stop beads and screed beads?
Render stop beads (also called screed beads) are extruded aluminium or PVC profiles installed at the edges and termination lines of render to provide a clean, straight finish at junctions with soffits, window heads, control joints, and changes of substrate.
Product Reference
3 products — render stop beads and screed beads — scroll to view all
Rondo Aluminium Render Stop Bead
Aluminium render stop and screed bead
System Description
Rondo aluminium render stop beads define the render termination line at horizontal and vertical edge conditions including slab soffits, window heads, panel joints, and changes of substrate. The bead provides a clean, straight edge to terminate render and can also serve as a screed guide to control render thickness. Confirm leg dimensions, flange width, and available profiles with Rondo. TODO: owner confirm — Rondo aluminium render stop bead specification, leg dimensions and profiles.
Technical Properties
- Aluminium render stop / screed bead
- Defines render termination line
- Suitable for slab soffits, window heads, panel joints, substrate changes
Limitations
- Not suitable for coastal environments — use stainless or PVC in corrosive zones
- TODO: owner confirm — Rondo render stop bead specification and dimensions
- Not a movement joint — do not use render stop bead at locations requiring movement capacity
PROCUREMENT SOURCES
Confirm suitability with the current manufacturer TDS before specifying or applying.
USG Boral Aluminium / PVC Render Stop Bead
Aluminium or PVC render stop bead — edge termination
System Description
USG Boral distributes aluminium and PVC render stop beads for render edge termination. Confirm material (aluminium or PVC), leg dimensions, and available profiles with USG Boral. In coastal environments specify PVC or stainless steel render stop beads. TODO: owner confirm — USG Boral render stop bead specification and available materials.
Technical Properties
- Aluminium or PVC — confirm material for environment
- Render stop / screed guide
- Exterior and interior applications
Limitations
- TODO: owner confirm — USG Boral render stop bead specification and materials
- Aluminium not suitable for coastal — specify PVC or stainless
PROCUREMENT SOURCES
Confirm suitability with the current manufacturer TDS before specifying or applying.
Trade-Supply Render Stop / Screed Bead
Trade-supply render stop and screed bead
System Description
Render stop and screed beads are widely available as standard stock items through plasterboard merchants and render suppliers. Confirm material (aluminium or PVC), leg dimensions, and flange type when ordering for specific applications. In coastal environments, specify PVC render stop beads or stainless steel.
Technical Properties
- Standard stock item — widely available
- Aluminium or PVC (confirm material)
- Various leg profiles
Limitations
- Confirm material and UV stabilisation for exterior use
- Aluminium not suitable for coastal — specify PVC
- Confirm leg dimensions
PROCUREMENT SOURCES
Confirm suitability with the current manufacturer TDS before specifying or applying.
System Comparison
Side-by-side comparison of render stop bead and screed bead products. Confirm all product selections against the current manufacturer TDS before specifying.
| Product | Brand | Material | Profile | Leg size | Screed guide | Coastal | Primary use |
|---|---|---|---|---|---|---|---|
| Rondo Aluminium Render Stop Bead | Rondo Building Services | Aluminium | Render stop / screed bead | Confirm from Rondo | Yes — confirm | Not suitable — use PVC or stainless | Render termination — slab soffits, window heads, panel joints |
| USG Boral Aluminium / PVC Render Stop Bead | USG Boral / Beadex | Aluminium or PVC | Render stop | Confirm from USG Boral | Confirm from supplier | PVC suitable — aluminium not | Render edge termination — exterior and interior |
| Trade-Supply Render Stop / Screed Bead | Trade supply | Aluminium or PVC | Render stop / screed | Various — confirm from merchant | Confirm from supplier | PVC suitable — aluminium not | Render termination — widely available nationally |
Do not confuse render stop beads with:
- Arris corner beads (protect corners — render stop beads terminate render edges)
- Bellcast/drip beads (specific drip profile at slab edges — different profile)
- Movement/expansion beads (allow movement — different function)
- Reveal beads (window/door reveals — different profile)
Disclaimer
This page provides general technical information only. Final product selection must be confirmed against the current manufacturer technical data sheet, project specification, substrate condition, exposure classification, AS 3700, NCC requirements, and applicator warranty conditions. Products marked TODO: owner confirm require verification before specifying. Do not rely on this reference as a substitute for professional engineering or facade consultant advice.