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📝 DRAFT — proposed Dseal standard for confirmation. Benchmarked to best-in-class; confirm Dseal can manufacture/supply each value before publishing.
Dseal — Technical Data Sheet
Dseal SkyBridge
Roof Expansion Joint System
Doc: TDS-SB-01
Rev: 00 (draft) · Jul 2026
Class: Best-in-class
Rev: 00 (draft) · Jul 2026
Class: Best-in-class
1. Product Description
Dseal SkyBridge is a watertight roof expansion joint. A weldable TPE / EPDM seal integrates directly with the roof waterproofing membrane, while an aluminium cover with double-level flanges keeps the joint watertight under ice, snow and foot-traffic loads across a wide movement range.
2. Applications
- Roofs, terraces, podium & plaza decks
- Membrane roofing systems (PVC / TPO / EPDM)
3. Performance Specification
| Movement capability | 50 – 500 mm range (weldable seal to ~225 mm; metal cover to ~600 mm) |
|---|---|
| Membrane integration | Weldable to PVC / TPO / EPDM roof membranes |
| Watertight | Fully watertight — dual double-level welded flanges |
| Load | Ice / snow load and maintenance foot-traffic rated |
| Fire rating | Optional fire-barrier underlay (in certification) |
4. Materials & Components
| Base / cover | Extruded aluminium (ASTM B221 6061-T6 / 6063-T5) |
|---|---|
| Seal | Weldable TPE / EPDM (neoprene option); Shore A ~65 |
| Moisture barrier | Fabric-reinforced membrane flashing |
| Fixings / finish | Stainless-steel fixings; mill / anodised finish |
5. Standards & Compliance
- Movement class ASTM E1399 · snow / wind load ASCE 7 · relevant IS codes
6. Installation
Seal heat-welded to the roof membrane; cover mounted over the joint per Dseal method statement. CAD / BIM details available on request.
7. Warranty
Dseal 10-year product warranty.
Specifications represent Dseal’s proposed published product standard, benchmarked to best-in-class trade performance and subject to project-specific confirmation. Dseal is an independent manufacturer; all third-party product and brand names are trademarks of their respective owners. © Dseal.