Catnic Extra Heavy Duty Thermally Broken (Part L Compliant) 100mm Cavity Lintel TX90/100 by Catnic Catnic Extra Heavy Duty Thermally Broken (Part L Compliant) 100mm Cavity Lintel TX90/100 by Catnic
Catnic Extra Heavy Duty Thermally Broken (Part L Compliant) 100mm Cavity Lintel TX90/100 by Catnic Catnic Extra Heavy Duty Thermally Broken (Part L Compliant) 100mm Cavity Lintel TX90/100 by Catnic
Catnic Extra Heavy Duty Thermally Broken (Part L Compliant) 100mm Cavity Lintel TX90/100 by Catnic Catnic Extra Heavy Duty Thermally Broken (Part L Compliant) 100mm Cavity Lintel TX90/100 by Catnic
Catnic Extra Heavy Duty Thermally Broken (Part L Compliant) 100mm Cavity Lintel TX90/100 by Catnic Catnic Extra Heavy Duty Thermally Broken (Part L Compliant) 100mm Cavity Lintel TX90/100 by Catnic
Catnic Extra Heavy Duty Thermally Broken (Part L Compliant) 100mm Cavity Lintel TX90/100 by Catnic
Catnic Extra Heavy Duty Thermally Broken (Part L Compliant) 100mm Cavity Lintel TX90/100 by Catnic
Catnic Extra Heavy Duty Thermally Broken (Part L Compliant) 100mm Cavity Lintel TX90/100 by Catnic
Catnic Extra Heavy Duty Thermally Broken (Part L Compliant) 100mm Cavity Lintel TX90/100 by Catnic
Lintel Type : Cavity Lintels
Cavity Width : 90-105mm
Lintel Duty : Extra Heavy Duty
Thermally Broken : Yes
Wide Inner Leaf? No

Catnic

Catnic Extra Heavy Duty Thermally Broken (Part L Compliant) 100mm Cavity Lintel TX90/100

£1,044.00
Cavity Lintel

£870.00 (ex VAT)

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Catnic Extra Heavy Duty Thermally Broken 100mm Cavity Lintel TX90/100

Extra Heavy Duty thermally broken steel lintel for 90–105mm cavity wall construction. The TX90/100 combines high-load structural performance with an integral thermal break, insulation and plaster key, helping reduce thermal bridging at window and door openings.

Key Features

✓Extra Heavy Duty
Designed for high-load cavity wall applications supporting typical masonry, timber floor and roof loads.
✓Integral Thermal Break
Thermally broken construction helps minimise thermal bridging through the lintel.
✓Part L Performance
Specified with a psi value of 0.05 W/mK or lower.
✓Integral Insulation
Fully insulated construction helps improve thermal performance at the opening.
✓Integral Plaster Key
Integral plaster key provides a ready-made surface for plaster finishes.
✓Galvanised Steel
Powder-coated galvanised steel construction for durability and corrosion protection.

Dimensions & Specification

Manufacturer Catnic
Product Code TX90/100
Lintel Type Extra Heavy Duty Thermally Broken Steel Lintel
Wall Construction Cavity wall
Cavity Width 90–105mm
Outer Leaf 100–102mm
Inner Leaf 100–115mm
Nominal Height 229mm
Available Lengths 900mm–3600mm in 150mm increments
Safe Working Load Varies by length; refer to the Catnic load/span table for the selected lintel.
Thermal Performance Psi value 0.05 W/mK or lower
Finish Black powder-coated galvanised steel
Separate DPC Required

Typical Applications

The TX90/100 is suitable for cavity wall openings where an Extra Heavy Duty lintel is required to support masonry and typical floor or roof loads. It is particularly suited to projects where thermal bridging at window and door openings needs to be controlled.

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Frequently Asked Questions

What cavity width is the TX90/100 designed for?

The TX90/100 is designed for cavity widths from 90mm to 105mm, with a 100–102mm outer leaf and 100–115mm inner leaf.

Is the TX90/100 Part L compliant?

The product is specified with a psi value of 0.05 W/mK or lower, supporting the thermal performance requirements associated with Part L.

What lengths are available?

The TX90/100 is available from 900mm to 3600mm in 150mm increments.

Does the TX90/100 require a separate DPC?

Yes. A separate DPC is required.

Does the lintel require propping?

The product information states that it is designed for installation without propping, subject to the manufacturer's installation requirements.
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Catnic Extra Heavy Duty Thermally Broken (Part L Compliant) 100mm Cavity Lintel TX90/100 by Catnic

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