Rubber Puddle Flange Wall Collar
The CaseCore Rubber Puddle Flange range is engineered to provide reliable, long-term waterproof sealing for pipes and service penetrations cast into concrete walls, floors and base slabs. Manufactured from premium EPDM rubber, these cast-in-place sealing systems create a permanent barrier against water ingress, helping protect critical infrastructure from moisture, groundwater and environmental contaminants.
Designed for civil, water, wastewater, industrial and utility applications, the CaseCore Rubber Puddle Flange range delivers dependable hydrostatic sealing for a wide variety of pipe materials and installation methods. Whether sealing standard carrier pipes, grounding conductors or corrugated plastic pipelines, CaseCore provides a durable solution that simplifies installation and extends the service life of concrete structures.
From foundations and retaining walls to pump stations, reservoirs and treatment facilities, the CaseCore Rubber Puddle Flange range offers proven performance for projects where reliable waterproofing is essential.
Why Choose CaseCore Rubber Puddle Flange?
The CaseCore Rubber Puddle Flange range has been developed to provide permanent waterproof protection while ensuring fast installation and long-term reliability.
Key Benefits
- Creates a permanent watertight barrier for cast-in concrete penetrations
- Helps prevent groundwater infiltration and water ingress
- Manufactured from premium EPDM rubber for long-term durability
- Suitable for a wide range of metallic and plastic pipe systems
- Fast and straightforward installation
- Corrosion-resistant stainless steel fastening system
- Radon-tight protection
- Suitable for foundations, walls, floors and base slabs
- Designed for civil, utility, industrial and infrastructure projects
Product Range
The CaseCore Rubber Puddle Flange range includes two specialised sealing systems designed to suit different pipeline applications.
CaseCore Rubber Puddle Flange
Ø 20- 1400 mm
The CaseCore Rubber Puddle Flange is designed to create a permanent waterproof barrier around standard carrier pipes and grounding conductors cast directly into concrete structures. Manufactured from high-quality EPDM rubber, it provides dependable hydrostatic sealing for a wide range of construction applications.
Available Variants
- CaseCore Rubber Puddle Flange – Flat Steel Strip: Designed to provide a reliable waterproof seal around flat steel strip grounding conductors used in earthing and lightning protection systems. It creates a secure barrier that prevents water ingress while maintaining the integrity of the grounding system.
- CaseCore Rubber Puddle Flange – Steel Wire: Designed for round steel wire and standard carrier pipe penetrations, providing a permanent waterproof seal where pipes or grounding conductors pass through concrete walls, floors and base slabs.
| Sizes Available | Flat Steel Strip: 30x2mm, 30x3mm and 30x5mm |
| Material | High-quality EPDM Rubber |
| Operating Temperature | -40°C to +75°C |
| Minimum Temperature | -40°C |
| Pressure Rating | 45 ± 5 Shore A |
| Hardness | Tested up to 5 bar |
| Tensile Strength | 9.5 N/mm² |
| Water Tightness | Yes |
| Radon Tight | Yes |
| Installation Method | Cast into Concrete |
| Fasting System | Stainless Steel Straps |
| Recommended Concrete Cover | Minimum 40 mm (Waterproof Concrete) |
CaseCore Dual Rubber Puddle Flange
Ø 20- 1400 mm
The CaseCore Dual Rubber Puddle Flange features a dual EPDM sealing profile specifically developed for plastic and flexible corrugated pipe systems. Its wide sealing surface and soft rubber compound conform to irregular pipe profiles, providing superior hydrostatic sealing while preventing movement between corrugations.
Designed for demanding underground infrastructure applications, the Dual Rubber Puddle Flange delivers enhanced sealing performance where conventional puddle flanges may not provide sufficient contact.
| Sizes Available | Flat Steel Strip: 30x2mm, 30x3mm and 30x5mm |
| Material | High-quality EPDM Rubber |
| Operating Temperature | -40°C to +75°C |
| Minimum Temperature | -40°C |
| Pressure Rating | 45 ± 5 Shore A |
| Hardness | Tested up to 5 bar |
| Tensile Strength | 9.5 N/mm² |
| Water Tightness | Yes |
| Radon Tight | Yes |
| Installation Method | Cast into Concrete |
| Fasting System | Stainless Steel Straps |
| Recommended Concrete Cover | Minimum 40 mm (Waterproof Concrete) |
Data Sheets and Installation Guide
