Cromar 5U Eaves Protector 330mm (16m) is a durable roofing accessory designed to provide reliable protection at the vulnerable eaves area of pitched roofs. Manufactured from high-quality, weather-resistant material, it acts as a secondary barrier beneath roof tiles, helping to prevent water ingress caused by wind-driven rain or blocked gutters. The 330mm width ensures effective coverage along the roof edge, while the 16-metre roll allows for convenient installation across long roof runs. Ideal for new builds and refurbishment projects, the Cromar 5U Eaves Protector improves drainage into the gutter system and enhances the overall lifespan and performance of the roofing structure.
Cromar 5U Eaves Protector 330mm 16m
£24.60 inc. VAT
£20.50 ex. VAT
- Brand: cromar
- Manufactuer: cromar
Cromar 5U Eaves Protector 330 mm is a durable roofing underlay support tray designed to reinforce and protect the eaves area of pitched roofs. Installed beneath roofing felt at the roof’s edge, it prevents the membrane from sagging between rafters and helps maintain a clear drainage path into the gutter. Made from robust, lightweight plastic, the 330 mm protector provides long-lasting resistance to weathering while improving roof ventilation and reducing the risk of water pooling or ingress at the eaves. It is commonly used in new roof builds and refurbishment projects to extend the life of roofing felt and ensure effective rainwater runoff.
Application:
The Cromar 5U Eaves Protector 330mm 16m is a polyester-reinforced bituminous eaves protection strip used in pitched roofing systems. It is installed along the eaves before the roof underlay is laid, typically dressed into the gutter and secured with clout nails or bonded on one side. Its purpose is to support the roofing underlay at the eaves so it does not sag into the gutter, while directing water safely into the guttering system. This helps prevent water ponding behind the fascia and protects the roof underlay from deterioration or rot, reducing long-term maintenance at the eaves of domestic and commercial buildings.
Limitations:
The product must be installed in suitable weather conditions and should not be used at temperatures below approximately 5 °C, as low temperatures can affect flexibility and installation performance. Rolls should also be stored properly—kept dry, upright, and not dragged across rough surfaces to avoid damage. Its durability and service life depend on correct installation and exposure to environmental conditions, meaning poor installation or severe weather exposure can reduce performance.
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| Elementlength | |||||||
| up to 1,5 m |
up to 2,5 m |
up to 3,5 m |
up to 4,5 m |
up to 2,5 m |
up to 3,5 m |
up to 4,5 m |
|
| Type of window frame material |
Minimum witdth of joints for a butled mounting b in mm |
Minimum witdth of joints for a inner mounting b in mm |
|||||
| Hard PVC (white) | 10 | 15 | 20 | 25 | 10 | 10 | 15 |
| Hard PVC and PMMA (dark) (colour extruded) |
15 | 20 | 25 | 30 | 10 | 15 | 20 |
| Hard PUR integral foam | 10 | 10 | 15 | 20 | 10 | 10 | 15 |
| Wood-aluminium-window | 10 | 10 | 15 | 20 | 10 | 10 | 15 |
| Aluminium-plastic sandwich frame (bright) |
10 | 10 | 15 | 20 | 10 | 10 | 15 |
| Aluminium-plastic sandwich frame (dark) |
10 | 15 | 20 | 25 | 10 | 10 | 15 |
| Wooden window frame | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
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