Search
Show prices tax inclusive Show prices tax exclusive
Show prices tax inclusive
All Categories
    Menu Close

    Our branches are now closed for Christmas, however you can still shop online for deliveries from 2nd January 2025 onwards.

    Any orders placed on the website during closed hours will be processed on our return (read more..)

    Internal Solid Wall & Box Lintels

    Looking for reliable steel box lintels for your next construction project? At Rose Building Supplies, we stock a comprehensive range of Keystone Box Lintels, trusted for their durability and strength. These lintels are perfect for supporting structural openings like doors and windows, ensuring your project meets UK building regulations while maintaining structural integrity.

    Made from robust steel, Keystone Box Lintels are lightweight for easy handling and installation, making them ideal for both professional builders and DIY enthusiasts. Whether you're working on a residential or commercial build, these lintels provide a versatile solution for a variety of applications.

    Why Choose Rose Building Supplies for Keystone Box Lintels?

    • Top-Quality Products: High-performance steel lintels designed for lasting strength.
    • Local Convenience: Fast delivery or same-day collection available from our branches in Peterborough, Huntingdon, and Corby.
    • Expert Advice: Our knowledgeable team is here to help you select the right lintels for your project.
    • Wide Applications: Keystone Box Lintels are perfect for load-bearing walls, cavity walls, and other structural openings.

    Serving Builders and Contractors Across the East of England

    At Rose Building Supplies, we’re proud to be a trusted supplier for builders and contractors across Peterborough, Huntingdon, Corby, and the surrounding areas. With our reliable stock and exceptional customer service, we make it easy to source the materials you need.

    Visit one of our branches or contact our team for more information. Get your Keystone Box Lintels today and ensure your project is built to last!

    View as Grid List
    Sort by
    Display per page

    Keystone Box Lintel BOX/K-100 1200mm

    Keystone Box Lintel BOX/K-100 1200mm - is a standard load lintel used to support internal openings with 100mm wide solid walls. It must have a minimum end bearing of 150mm on each side of the opening, bedded on mortar.
    Stock Availability: In stock
    £61.72 incl tax

    Keystone Box Lintel BOX/K-100 1500mm

    Keystone Box Lintel BOX/K-100 1500mm - is a standard load lintel used to support internal openings with 100mm wide solid walls. It must have a minimum end bearing of 150mm on each side of the opening, bedded on mortar.
    Stock Availability: In stock
    £80.05 incl tax

    Keystone Box Lintel BOX/K-100 1800mm

    Keystone Box Lintel BOX/K-100 1800mm - is a standard load lintel used to support internal openings with 100mm wide solid walls. It must have a minimum end bearing of 150mm on each side of the opening, bedded on mortar.
    Stock Availability: In stock
    £97.83 incl tax

    Keystone Box Lintel BOX/K-100 2100mm

    Keystone Box Lintel BOX/K-100 2100mm - is a standard load lintel used to support internal openings with 100mm wide solid walls. It must have a minimum end bearing of 150mm on each side of the opening, bedded on mortar.
    Stock Availability: In stock
    £115.60 incl tax

    Keystone Box Lintel BOX/K-100 2400mm

    Keystone Box Lintel BOX/K-100 2400mm - is a standard load lintel used to support internal openings with 100mm wide solid walls. It must have a minimum end bearing of 150mm on each side of the opening, bedded on mortar.
    Stock Availability: In stock
    £137.72 incl tax

    Keystone Box Lintel BOX/K-100 2700mm

    Keystone Box Lintel BOX/K-100 2700mm - is a standard load lintel used to support internal openings with 100mm wide solid walls. It must have a minimum end bearing of 150mm on each side of the opening, bedded on mortar.
    Stock Availability: In stock
    £155.58 incl tax

    Keystone Box Lintel BOX/K-100 3000mm

    Keystone Box Lintel BOX/K-100 3000mm - is a standard load lintel used to support internal openings with 100mm wide solid walls. It must have a minimum end bearing of 150mm on each side of the opening, bedded on mortar.
    Stock Availability: In stock
    £251.60 incl tax

    Keystone Box Lintel BOX/K-100 3300mm

    Keystone Box Lintel BOX/K-100 3300mm - is a standard load lintel used to support internal openings with 100mm wide solid walls. It must have a minimum end bearing of 150mm on each side of the opening, bedded on mortar.
    Stock Availability: In stock
    £276.46 incl tax

    Keystone Box Lintel BOX/K-100 3600mm

    Keystone Box Lintel BOX/K-100 3600mm - is a standard load lintel used to support internal openings with 100mm wide solid walls. It must have a minimum end bearing of 150mm on each side of the opening, bedded on mortar.
    Stock Availability: In stock
    £302.31 incl tax

    Keystone HDBOX/K 100 1200mm Box Lintel

    Keystone Box Lintel HDBOX/K-100 1200mm - is a heavy duty load box lintel used to support openings in 100mm wide solid walls.
    Stock Availability: In stock
    £84.41 incl tax

    Keystone HDBOX/K 100 1500mm Box Lintel

    Keystone Box Lintel HDBOX/K-100 1500mm - is a heavy duty load box lintel used to support openings in 100mm wide solid walls.
    Stock Availability: In stock
    £104.71 incl tax

    Catnic BHD100 1500mm Heavy Duty Box Lintels

    Catnic BHD100 1500mm Heavy Duty Box Lintels
    Stock Availability: Out of stock
    £94.88 incl tax

    Catnic BHD100 3300mm Heavy Duty Box

    Catnic BHD100 3300mm Heavy Duty Box
    Stock Availability: Out of stock
    £443.28 incl tax

    Catnic BHD140 1200mm Heavy Duty Box

    Catnic BHD140 1200mm Heavy Duty Box
    Stock Availability: Out of stock
    £96.84 incl tax

    Catnic BSD100 1050mm Standard Duty Box

    Catnic BSD100 1050mm Standard Duty Box
    Stock Availability: In stock
    £69.64 incl tax