Repair Systems — 03 — Facade & External Envelope
Reveal beads
Technical product reference for reveal beads used at window and door reveals on Australian facade remediation projects. Covers aluminium and PVC profiles, coastal material selection, frame clearance requirements, and replacement criteria during render repair works.
What are reveal beads?
Reveal beads are extruded aluminium or PVC profiles installed at window and door reveal edges to provide a clean render termination and drip profile at the perimeter of window and door reveals on rendered masonry facades.
Product Reference
3 products — reveal beads for window and door render — scroll to view all
Rondo Aluminium Reveal Bead
Aluminium reveal bead — window and door perimeter render
System Description
Rondo aluminium reveal beads are used when rendering window and door reveals to provide a clean render edge at the reveal-to-frame junction and a drip profile where needed. The bead is installed at the inside edge of the render reveal to give a precise render termination against the window frame or door frame surround. Confirm leg dimensions, profile, and available specifications with Rondo. TODO: owner confirm — Rondo aluminium reveal bead specification and dimensions.
Technical Properties
- Aluminium reveal bead — perforated flanges for render key
- Used at window and door reveals for clean edge termination
- Drip profile at reveal head and jamb where water shedding is required
Limitations
- Aluminium not suitable for coastal environments — use PVC or stainless
- TODO: owner confirm — Rondo reveal bead specification and dimensions
- Ensure correct clearance from window/door frame — confirm with Rondo
PROCUREMENT SOURCES
Confirm suitability with the current manufacturer TDS before specifying or applying.
USG Boral Aluminium / PVC Reveal Bead
Aluminium or PVC reveal bead — window/door render edge
System Description
USG Boral / Beadex distributes aluminium and PVC reveal beads for window and door reveal render termination. Confirm material, leg dimensions, and profile with USG Boral. TODO: owner confirm — USG Boral reveal bead specification, material options and dimensions.
Technical Properties
- Aluminium or PVC
- Window and door reveal render edge
- Confirm leg and profile from USG Boral
Limitations
- TODO: owner confirm — USG Boral reveal bead specification
- Aluminium not suitable for coastal
PROCUREMENT SOURCES
Confirm suitability with the current manufacturer TDS before specifying or applying.
Trade-Supply PVC / Aluminium Reveal Bead
Trade-supply reveal bead — window and door render
System Description
Reveal beads are available as standard stock items through render and plasterboard merchants nationally. Confirm material (aluminium or PVC for coastal), leg dimensions, and profile when ordering. Specify PVC or stainless in coastal environments.
Technical Properties
- Trade supply — widely available
- PVC or aluminium
- Various leg profiles
Limitations
- Confirm material for coastal environments
- Confirm leg dimensions for reveal depth and render thickness
PROCUREMENT SOURCES
Confirm suitability with the current manufacturer TDS before specifying or applying.
System Comparison
Side-by-side comparison of reveal bead products. Confirm all product selections against the current manufacturer TDS before specifying.
| Product | Brand | Material | Profile | Leg size | Coastal | Primary use |
|---|---|---|---|---|---|---|
| Rondo Aluminium Reveal Bead | Rondo | Aluminium | Confirm from Rondo | Confirm from Rondo | Not suitable — use PVC or SS | Window and door perimeter render reveals |
| USG Boral Reveal Bead | USG Boral / Beadex | Aluminium or PVC | Confirm from USG Boral | Confirm from USG Boral | PVC suitable — aluminium not suitable | Window and door reveal render edge |
| Trade-Supply Reveal Bead | Trade Supply | PVC or aluminium | Various — confirm from supplier | Various — confirm from supplier | Specify PVC or SS for coastal | Window and door reveals — trade supply |
Do not confuse reveal beads with:
- Arris corner beads — protect external corners on the facade face — reveal beads are specific to window and door reveal edges
- Render stop beads — terminate render at edges without a reveal-specific profile — used at general render terminations, not window perimeters
- Bellcast beads — installed at slab edges and window sills for water shedding — different location and function from reveal beads
- Window flashing — metal flashing installed at sill or head of window opening — different product class from render beads
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.