
GSE CALE-EPDM (ART105708) 21x25 mm Cellular EPDM Joint
CALE-EPDM
GSE CALE-EPDM (ART105708) Cellular EPDM Joint – 21 x 25mm Weatherproof Sealing for In-Roof Systems
The GSE CALE-EPDM (ART105708) is a 21 x 25mm cellular EPDM joint designed to provide secure, watertight sealing within GSE in-roof solar mounting systems. Its durable, flexible structure ensures long-lasting performance, protecting against moisture ingress and supporting system integrity across a wide range of roof types.
- Effective Weather Sealing: Maintains a watertight barrier for in-roof solar installations.
- Durable EPDM Material: Made from high-quality cellular EPDM for excellent resistance to ageing, UV, and temperature changes.
- Precise Fit: 21 x 25mm dimensions tailored for compatibility with GSE system components.
- Flexible Application: Compressible design ensures a tight seal around mounting elements.
- Reliable Joint Support: Reinforces structural and waterproofing performance in in-roof assemblies.
Technical Specification
- Product Code: ART105708
- Product Type: Cellular EPDM Joint
- Dimensions: 21 x 25mm
- Material: Cellular EPDM rubber
- Application: GSE in-roof solar mounting systems
✅ Ensure long-term system integrity with the GSE CALE-EPDM Joint – a trusted weatherproofing solution for in-roof solar installations!

Product | Joint |
Colour | Black |
Width | 25 mm |
Height | 21 mm |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
- Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
- Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).
Items requiring specialist shipping:
- Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.
**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).
Contact us if you have any further questions.