Lintel Type : Cavity Lintels
Cavity Width : 150-165mm
Lintel Duty : Extra Heavy Duty
Thermally Broken : No
Wide Inner Leaf? No
Stressline
Stressline Extra Heavy Duty 150mm Cavity Lintel SL150CXHD225
£174.16 (ex VAT)
Pickup available at Tipton West Midlands
Usually ready in 4 hours
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The Stressline Extra Heavy Duty 150mm Cavity Lintel SL150CXHD225 is a galvanised steel cavity lintel designed for demanding loading conditions in cavity wall construction. It is specified for a 150–165mm cavity with a 100mm outer leaf and is suitable for applications involving precast concrete floors, attic trusses and point loads, subject to the manufacturer's load-span data. Built-in insulation and a plaster key help address thermal performance and the internal finish.
Key Features
150mm cavity wall
Designed for cavity widths from 150mm to 165mm, with a 100mm outer leaf.
Extra heavy duty
Designed for higher loading applications. Confirm the capacity for the selected length using Stressline's load-span information.
Supports demanding loads
Suitable for applications involving precast concrete floors, attic trusses and point loads, subject to the manufacturer's technical guidance.
Built-in insulation
Continuous built-in insulation helps reduce thermal bridging through the lintel.
Built-in plaster key
A perforated base plate to the inner flange provides a key for the internal plaster finish.
Galvanised steel
Manufactured from galvanised steel for corrosion protection.
15 length options
Choose from the listed lengths, from 1200mm to 5100mm.
Product Specifications
| Manufacturer | Stressline |
|---|---|
| Product code | SL150CXHD225 |
| Lintel type | Extra heavy duty cavity lintel |
| Cavity width | 150–165mm |
| Outer leaf | 100mm |
| Nominal height | 225 designation; 236mm nominal height in Stressline's technical guide |
| Material and finish | Galvanised steel |
| Features | Built-in insulation and plaster key; base plate to inner flange |
| Available lengths | 1200mm, 1350mm, 1500mm, 1800mm, 2100mm, 2400mm, 2700mm, 3000mm, 3300mm, 3600mm, 3900mm, 4200mm, 4500mm, 4800mm and 5100mm |
Typical Applications
The SL150CXHD225 is intended for 150mm cavity wall openings where the design calls for an extra heavy duty lintel. Stressline identifies this model as suitable for supporting precast concrete floors, attic trusses and point loads. The actual suitability depends on the opening span, load arrangement, wall construction and the capacity shown in the manufacturer's load tables.
Manufacturer Technical Information
Stressline's lintel guide includes the SL150 CXHD 225 specification, load information and additional installation requirements.
Frequently Asked Questions
What cavity width is the SL150CXHD225 designed for?
It is specified for a cavity width of 150–165mm with a 100mm outer leaf.
What types of loads can it support?
Stressline identifies the SL150 CXHD 225 as suitable for precast concrete floors, attic trusses and point loads. Check the load-span table for the selected length and actual loading conditions.
Does the lintel include insulation and a plaster key?
Yes. The product information lists built-in insulation and a plaster key, with a base plate to the inner flange.
Does it need propping during construction?
Yes. The existing product information states that it should be adequately propped during construction and that props should not be removed until the mortar has cured. Follow the manufacturer's current instructions.
What lengths are available?
The current Shopify listing offers 15 lengths from 1200mm to 5100mm.
Need Help Choosing an Extra Heavy Duty Cavity Lintel?
Contact Wade Building Supplies for help checking cavity dimensions, lintel length, loading information and the right specification for your project.
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