

Key Features
- {{fitness_center}} Supports masonry loads over openings in cavity walls
- {{code_off}} Insulated core reduces cold bridging
- {{apartment}} Provides safe distribution of loads into surrounding masonry
- {{more_time}} Corrosion resistant for long service life
Technical Specification
| URN: | 5003248 |
|---|---|
| Brand: | Catnic |
| Material Type: | Galvanised Steel |
| Length: | 1800mm |
| Height: | 136mm |
| Weight: | 14.3kg |
| Sales Unit: | Each |
| Cavity Width: | 90 - 105mm |
| Colour: | Black |
| Manufacturer's Reference: | CG90/1001800 |
Product Overview
Catnic CG90/100 cavity wall lintel in an 1800mm length, designed to support masonry loads over long-span openings in 90–100mm cavity wall construction.
Manufactured from galvanised steel with a powder-coated finish, this lintel offers high strength, corrosion resistance, and durability. An integrated insulation core minimises cold bridging across the cavity, ensuring thermal performance is maintained.
At 1800mm, this lintel is commonly used for wide double door spans, large residential windows, or light commercial applications requiring dependable load-bearing capacity.
Features & Benefits
- Load-bearing design: Engineered to support masonry loads over 90–100mm cavity wall spans.
- Thermal efficiency: Insulated core reduces cold bridging and improves wall performance.
- Durable finish: Galvanised and powder-coated for corrosion resistance and longevity.
- Structural reliability: Provides safe distribution of loads into surrounding masonry.
- Practical span: 1800mm length suited to large domestic and light commercial openings.
Applications
- Double doors: Provides strong support above wide residential door spans.
- Large windows: Supports masonry above extended window openings.
- Residential developments: Commonly specified in new-build housing with open-plan layouts.
- Commercial openings: Suitable for long-span wall apertures in light commercial buildings.
Installation Guidance
- Support requirements: Ensure minimum end bearing of 150mm on each side of the opening.
- Placement: Position level with the cavity correctly aligned to wall leafs.
- Mortar bedding: Fully bed lintel on mortar for even load distribution.
- Protection: Protect exposed lintels during construction to avoid site damage.
- Compatibility: Use with 90–100mm cavity wall construction only.
Compliance & Performance
- Material: Galvanised steel with powder-coated finish.
- Insulation: Integrated core reduces cold bridging.
- Dimensions: Suited to 90–100mm cavity wall construction; 1800mm span.
- Durability: Resistant to corrosion, weathering, and fire exposure.
- Standard: Manufactured in accordance with relevant BS EN lintel specifications.
Delivery & Returns Information
Delivery charges vary by product category and order value. Items may ship from different suppliers and arrive separately, so delivery charges can be shown per part of your order at checkout.
Standard (Nationwide) Delivery
| Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £300 | £25 ex. VAT |
| Over £300 ex. VAT | FREE |
Express Delivery
| Express Delivery - Insulation and Plasterboard & Drylining | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £400 | £90 ex. VAT |
| Over £400 ex. VAT | £55 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 |
How delivery works
We work with a nationwide network of trusted suppliers. Items in your basket may be supplied by different suppliers and delivered separately. Where this applies, you will see delivery charges shown at checkout for each part of your order. We always aim to group products from the same supplier to keep delivery costs as low as possible.
Delivery areas
Delivery charges apply to mainland UK, excluding: AB, CA, CF, DD, DG, EH, EX, FK, KA, KW, KY, IV, LA, LD, LL, ML, NP, PA, PH, PL, SA, SY, TR, TQ and TD.
If your address is in one of these areas, we will contact you before processing your order to confirm any additional costs. We do not currently offer delivery outside the UK mainland.
What to expect on delivery day
- Deliveries are typically kerbside.
- Please ensure someone is on-site to accept delivery. For heavier items, help with offloading may be required.
- Many building materials arrive on large vehicles. If access is restricted, a specialist vehicle such as a HIAB may be required and could incur an additional charge.
Why delivery can cost more than typical parcel delivery
Building materials often travel on larger vehicles and usually carry fewer drops per run than parcel networks. That is why delivery charges can be higher than standard e-commerce shipping.
Returns
Returns depend on what you have bought and whether there is anything wrong with it. For full details on eligibility, timeframes, and exclusions, please see our full policy.