Lintel Type : Cavity Lintels
Cavity Width : 70-85mm
Lintel Duty : Standard Duty
Stressline
Stressline Standard Duty 70mm Cavity Lintel SL70
£48.33 (ex VAT)
Pickup available at Tipton West Midlands
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The Stressline Standard Duty 70mm Cavity Lintel SL70 is a galvanised steel lintel designed for cavity wall construction with a 70–85mm cavity, a 100mm outer leaf and a 100–115mm inner leaf. It is designed to support masonry loads and distributed timber floor loads in suitable applications. The lintel incorporates built-in continuous insulation, a perforated base plate to the inner flange and a built-in plaster key. Available in 15 lengths from 900mm to 4800mm, the SL70 is a standard-duty option for the specified wall construction. Check Stressline's load-span guidance and application restrictions before selecting a lintel.
Key Features
70–85mm cavity
Designed for cavity widths between 70mm and 85mm.
Standard-duty design
Designed to support masonry loads and distributed timber floor loads in suitable applications.
100mm outer leaf
Specified for a 100mm outer leaf.
100–115mm inner leaf
Designed for an inner leaf thickness between 100mm and 115mm.
Built-in continuous insulation
Continuous insulation is incorporated into the lintel construction to help reduce cold bridging.
Perforated base plate
Features a perforated base plate to the inner flange.
Built-in plaster key
Provides a key for the internal plaster finish.
Galvanised steel
Galvanised steel construction for corrosion protection.
15 length options
Available in lengths from 900mm to 4800mm.
Product Specifications
| Manufacturer | Stressline |
|---|---|
| Product code | SL70 |
| Lintel type | Standard-duty cavity wall lintel |
| Cavity width | 70–85mm |
| Outer leaf | 100mm |
| Inner leaf | 100–115mm |
| Material and finish | Galvanised steel |
| Features | Built-in continuous insulation, perforated base plate to inner flange and built-in plaster key |
| Listed load applications | Masonry loads and distributed timber floor loads |
| Available lengths | 900mm, 1200mm, 1350mm, 1500mm, 1800mm, 2100mm, 2400mm, 2700mm, 3000mm, 3300mm, 3600mm, 3900mm, 4200mm, 4500mm and 4800mm |
Typical Applications
The SL70 is designed for suitable openings in cavity wall construction with a 100mm outer leaf, 70–85mm cavity and 100–115mm inner leaf. Its stated applications include masonry loads and distributed timber floor loads. Stressline notes that uniformly distributed roof loads may require an Heavy Duty (HD) lintel type, depending on the application.
Technical Information
Technical load-span and section drawings are available in the product media above. Refer to these and Stressline's current technical information for dimensions, load-span details and installation guidance.
Frequently Asked Questions
What cavity width is the SL70 designed for?
It is designed for a cavity width of 70–85mm, with a 100mm outer leaf and a 100–115mm inner leaf.
What loads does the SL70 support?
The product information lists masonry loads and distributed timber floor loads. Check Stressline's load-span guidance for the selected length and actual loading conditions.
Can the SL70 be used for roof loads?
Stressline notes that uniformly distributed roof loads may require an HD lintel type. Check the manufacturer's technical guidance for the specific application.
Can it be used with precast concrete floors or attic trusses?
No. The SL70 is not suitable for precast concrete floors, attic trusses or heavy point loads.
What lengths are available?
The current Shopify listing offers 15 lengths from 900mm to 4800mm.
Does the lintel include insulation and a plaster key?
Yes. It incorporates built-in continuous insulation and a built-in plaster key, along with a perforated base plate to the inner flange.
Need Help Choosing the Right Cavity Lintel?
Contact Wade Building Supplies for help checking cavity dimensions, leaf thicknesses, lintel length and loading requirements.
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