

Catnic BSD100 Internal Wall Box Lintel 1350mm
5+ units | 8+ units | 13+ units |
£45.47ex. VAT | £44.03ex. VAT | £43.07ex. VAT |
Nationwide Delivery
Thu 16 Oct
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Product Overview
Delivery & Returns Information
How Our Delivery Works
We work with a nationwide network of trusted suppliers. As a result, items in your basket may be supplied by different suppliers and delivered separately. Where this applies, you'll see multiple delivery charges at checkout. We always aim to group products from the same supplier to keep delivery costs as low as possible.
Delivery Areas & Charges
Delivery charges listed on our website apply to mainland UK, excluding the following postcode areas: AB, CF, DD, DG, FK, KW, IV, LA, LD, LL, NP, PA, PH, SA, SY
If your delivery address falls within one of these postcode areas, we’ll be in touch before processing your order to confirm any additional delivery costs.
Please note: We do not currently offer delivery outside the UK mainland.
Standard (Nationwide) Delivery
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ORDER VALUE | DELIVERY CHARGE |
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Over £300 ex. VAT | FREE |
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Express Delivery
Express Delivery - Insulation and Plasterboard & Drylining | |
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ORDER VALUE | DELIVERY CHARGE |
Under £400 | £50 ex. VAT |
Over £400 ex. VAT | £35 ex. VAT |
Express Delivery - Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products | |
ORDER VALUE | DELIVERY CHARGE |
Under £300 | £50 ex. VAT |
Over £300 ex. VAT | £35 ex. VAT |
Returns
We offer a 30 day returns policy on any faulty products.
Key Features
- {{horizontal_distribute}} Designed for 100mm single skin internal partitions
- {{stream}} Distributes masonry loads safely into the supporting structure
- {{fitness_center}} Manufactured to resist deformation
- {{balance}} Strong yet lightweight
Technical Specification
Material Type: | Galvanised Steel |
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Length: | 1350mm |
Height: | 143mm |
Sales Unit: | Each |
Brand: | Catnic |
Manufacturer's Reference: | BSD1001350 |
Weight: | 8.06kg |
Colour: | Black |
Product Overview
Catnic BSD100 Internal Wall Box Lintel in a 1350mm length, designed to provide structural support for wider openings in 100mm internal walls.
Formed from a strong box section, this lintel distributes masonry loads safely into the supporting structure while maintaining a compact, lightweight profile that is easy to handle on site.
At 1350mm, this lintel is suited to wider internal spans such as large doorways or partition openings in residential and commercial projects.
Features & Benefits
- Internal wall application: Specifically designed for 100mm single skin internal partitions.
- Load-bearing strength: Provides reliable support for standard door and opening spans.
- Compact box section: Strong yet lightweight, simplifying handling and installation.
- Durable construction: Manufactured to resist deformation and maintain performance.
- Practical span: 1350mm length suited to wide internal door and window openings.
Applications
- Large internal doors: Supports masonry above wide doorway spans.
- Partition openings: Suitable for extended spans in office or residential layouts.
- Residential construction: Used in larger homes, flats, and modern open-plan designs.
- Commercial projects: Commonly applied to wide openings in light-use commercial buildings.
Installation Guidance
- Bearing: Provide minimum 150mm end bearing on each side of the opening.
- Placement: Position level and fully bed in mortar for correct load transfer.
- Alignment: Ensure box lintel is correctly centred over the span.
- Protection: Avoid damage during handling and installation.
- Internal use only: Not designed for external or cavity wall applications.
Compliance & Performance
- Material: Steel box lintel construction.
- Design: For use in 100mm internal walls only.
- Durability: Suitable for internal environments, resistant to fire and wear.
- Standard: Manufactured in accordance with BS EN lintel specifications.
- Important note: Not suitable for external walls or cavity wall construction.