Catnic CX90/100 Extra Heavy Duty 100mm Cavity Lintel

Name: Catnic CX90/100 Extra Heavy Duty 100mm Cavity Lintel
Brand: Catnic
SKU: gutkpebo2a
Availability: InStock

The Catnic CX90 100 Extra-Heavy Duty Catnic Lintel is designed for cavity walls and features a bui...

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Product Information

Full details

This guide is for builders, contractors, and DIY enthusiasts using the Catnic CX90/100 Extra-Heavy Duty Lintel. The primary benefit is its robust design, providing structural support for cavity walls while integrating features like a built-in DPC and insulation. Be aware that proper installation, including adequate propping during mortar curing for wider openings, is crucial for optimal performance.

All features

Model Part Number	CX90/100
Brand	Catnic

Extended Product Information

FAQs

What is the maximum span for the CX90/100?

The CX90/100 is suitable for structural openings from 750 mm to 4500 mm.

What is the safe working load?

The safe working load is based on the total uniform distributed load over the maximum span with 150mm end bearings. Standard lengths are up to 60kN. Longer versions, up to 4.8 m, can handle 32 kN.

What type of finish does the lintel have?

It has a duplex anti-corrosion finish: galvanised and powder coated.

Does the lintel have a built-in DPC?

Yes, it has a built-in damp-proof course.

Is the lintel suitable for fair-faced inner leaf masonry?

Yes, it is suitable for fair-faced inner leaf masonry.

What should I do if I need a longer span?

Longer versions are available to accommodate spans up to 4.8 meters, but ensure the load is appropriate.

Troubleshooting

The lintel is deflecting under load.

Check the bearing at each end; ensure it meets the minimum requirement of 150mm. Verify that the load does not exceed the lintel's safe working load. Check the propping is in place for wide openings during mortar curing.

Water penetration is occurring above the lintel.

Ensure the drip on the leading edge is correctly positioned to shed water. Inspect the brickwork above the lintel for any cracks or gaps.

Difficulty in plastering.

Ensure the plaster key is clean and free from debris. Use appropriate plastering techniques for the staggered slots and ribbed underside.

Pros and Cons

Pros

Durable construction for long-term performance.
Integrated DPC and insulation streamline installation and improve energy efficiency.
Suitable for a wide range of structural openings.
Duplex anti-corrosion finish ensures longevity.
Designed for easy plastering with a built-in plaster key.

Cons

Requires careful installation to ensure proper load distribution.
Specific lengths may be required, so careful measurement is essential.
Heavier than some lintel options, requiring more effort during handling.
Proper propping is necessary during mortar curing for wide openings.

Setup, Compatibility & Care

Installation: Ensure the lintel is installed with a minimum bearing of 150 mm at each end. Both inner and outer masonry leaves must be raised together.
Cavity Size: Compatible with cavities from 90 mm to 105 mm.
Load Bearing: Supports loads from concrete floors, roof loads, timber floors, and attic trusses.
Propping: Wide openings require proper propping during mortar curing to prevent deflection and ensure the lintel's long-term performance.
Material: The lintel is made from galvanised steel then powder coated.
Care: No specific care is required other than ensuring that the lintel is not damaged during transport or installation.