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![Builder installing a Catnic box lintel]()
- Lintels
- Guide
What are box lintels?
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![Catnic T shaped lintel built into external solid wall]()
- Lintels
- Guide
What are inverted T lintels?
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![Catnic CX90 shown insitu in cavity wall]()
- Lintels
- Guide
CE to UKCA marking and lintel specification
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![How do you calculate lintel load]()
- Lintels
- Guide
How do you calculate lintel load?
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![How much support does a lintel need]()
- Lintels
- Guide
How much support does a lintel need?
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- Lintels
- Guide
Steel lintel solutions for masonry cavity walls
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![Catnic heavy duty box lintel for 100mm interior solid wall shown in situ]()
- Lintels
- Guide
Steel lintels for internal solid walls
