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Catnic Cavity Wall Lintel - CG90/100

Catnic Cavity Wall Lintel - CG90/100

Catnic CG90/100 100mm Cavity Wall Lintel is a galvanised steel lintel designed for cavity walls wi...

Best current price£67.03from Materials Market Trading UK Ltd

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Catnic Cg90/100 Cavity Wall Lintel 1050Mm Black

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Materials Market Trading UK LtdCatnic Cg90/100 Cavity Wall Lintel 1050Mm Black
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Travis PerkinsCatnic Cougar Open Back Cavity Wall Standard Duty Lintel 1200mm CG90/100
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Product Information

Full details

This guide is for builders and construction professionals using the Catnic CG90/100 Cavity Wall Lintel. It offers robust support for cavity walls, simplifying construction and ensuring structural integrity. Keep in mind that proper installation, including adequate end bearings, is crucial for optimal performance. This guide covers key features, usage, and troubleshooting to help you get the most out of your Catnic lintel.

All features

Model Part NumberCG90/100
BrandCatnic

Extended Product Information

FAQs

What is the correct end bearing for the Catnic CG90/100?

A minimum of 150mm end bearing on both sides is recommended for optimal load distribution and stability.

What cavity wall width does this lintel support?

The lintel is designed for cavity walls with a width between 90mm and 105mm.

Can I use this lintel for a fair-faced inner leaf?

Yes, the design of the lintel is suitable for fair-faced inner leaf masonry.

What is the purpose of the integral plaster key?

The plaster key ensures excellent adhesion for plaster, resulting in a clean and professional finish.

What is the maximum length available for this lintel?

The lengths range from 750mm to 3600mm.

What kind of loads can this lintel support?

This lintel is designed for standard duty loads, suitable for domestic and light commercial buildings.

Does this lintel include any insulation?

Yes, the lintel incorporates integral insulation.

Is the lintel pre-finished?

Yes, the lintel is formed from galvanised steel then powder coated.

Troubleshooting

Lintel is not level after installation.

Check the end bearings. Ensure the lintel is properly supported and use shims to level it.

Cracking in the plaster above the lintel.

Verify the lintel has sufficient end bearing. Check for any movement or settlement. Ensure proper plastering techniques were followed.

Difficulty in aligning the brickwork.

Ensure the cavity dimensions are correct. Double-check the lintel's position and the level of the brickwork.

Corrosion observed on the lintel.

Inspect for damage to the galvanised coating. If the coating is damaged, apply touch-up paint specifically designed for galvanised steel.

Pros and Cons

Pros

  • Durable galvanised steel construction.
  • Designed for standard cavity wall sizes, making it versatile.
  • Supports both inner and outer leaves.
  • Suitable for various applications with a range of lengths available.
  • Integrated features like a plaster key and insulation simplify construction.
  • Open back profile enhances ease of use during installation.

Cons

  • Requires precise measurements for correct sizing.
  • Proper installation, including end bearings, is crucial for performance.
  • Not suitable for heavy-duty load-bearing applications outside of the standard duty.
  • Requires specific cavity wall dimensions for proper fit.
  • The weight of the lintel can be significant depending on the length, potentially requiring more manpower or machinery for installation.

Setup, Compatibility & Care

Setup

  1. Preparation: Ensure the cavity wall is built to the correct dimensions (90–105mm cavity width). Verify the opening size for windows or doors.
  2. Bearing: Place the lintel with a minimum of 150mm end bearing on both sides of the opening. Use appropriate shims to level the lintel.
  3. Leaf Alignment: Ensure both inner and outer leaves are properly aligned before setting the lintel.
  4. Fixing: The lintel does not require separate fixing as it is built into the wall. Ensure the lintel is fully supported by the blockwork.
  5. Blockwork: Lay at least one course of blockwork before installing flooring or roof elements.

Compatibility

The Catnic CG90/100 is compatible with:

  • Cavity walls with widths between 90mm and 105mm.
  • Inner leaves of 100–115mm.
  • Outer leaves of 100–102mm.
  • Standard duty applications in domestic and light commercial buildings.

Care

  • Handle the lintel with care to avoid damaging the galvanised coating.
  • Store the lintel in a dry place before installation.
  • Inspect the lintel for any damage before installation.
  • If the coating is damaged, use appropriate touch-up paint to prevent corrosion.

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