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Keystone B/K-70 Single Leaf Cavity Wall Lintel 3750mm

SKU

KB7375

£223.04 £185.87

Product Information

Keystone B/K-70 single leaf cavity wall lintel, 3750mm (12ft 4in) length for substantial wall openings
Designed for use with inner leaf concrete lintels to provide strong, stable support
Requires a tight-fitting timber batten to prevent twisting during installation
Suitable for standard duty loads in cavity wall construction
Available to suit various cavity widths; specify B/K-50, B/K-70, or B/K-90 as needed

Details

The Keystone B/K-70 single leaf cavity wall lintel is a specialist structural component designed for builders and contractors working on cavity wall projects. Measuring 3750mm in length, this lintel offers dependable support across wider openings, ensuring stability where it counts. Please note that this lintel must be used alongside a tight-fitting timber batten to prevent twisting and ensure correct installation.

Application

This lintel is typically used in cavity wall construction where an inner leaf concrete lintel is present. It is ideal for supporting bricks or blocks over openings such as windows and doors. The B/K-70 is suited to standard duty loads and is part of a range tailored to fit different cavity widths, making it a flexible choice for a range of site requirements.

Dimension

Length: 3750mm (12ft 4in)
Height: 225mm
Thickness: 3.2mm

Material

High-quality steel suitable for structural support in masonry cavity walls

Type

Single leaf cavity wall lintel

Ensure you specify the correct B/K size (50, 70, or 90) to match your cavity width. The lintel is supplied without timber battens, which must be installed on site to prevent twisting. Images are for illustration purposes only.

More Information

More Information
Type	Single Leaf Lintels
Loading	Standard Duty
Cavity Size	70-85mm
Length	3750mm
Weight	37.680000
Manufacturer	Keystone
Sap Id	KB7375

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Delivery Information

Delivery availability

We deliver to most mainland UK addresses. Some postcode areas are excluded – please see the full list below.

Delivery charges

Delivery costs vary depending on your location, the products ordered, and the delivery method selected. All delivery charges are calculated clearly at checkout.

Fuel Surcharge

Information on our added Fuel Surcharge can be found at https://condell-ltd.com/fuel-surcharge-notification

Delivery dates

You can request a preferred delivery date at checkout. While we aim to meet this wherever possible, availability may depend on stock levels and third-party delivery schedules. If your chosen date is unavailable, a member of our team will contact you to arrange an alternative.

Delivery method

All deliveries are made kerbside as standard. For health and safety reasons, drivers are unable to carry materials beyond the kerb. If you have specific access requirements, please contact us before placing your order.

Delivery exclusions

We currently do not deliver to the following postcode areas:

AB16, AB21–22, AB30–AB38, AB41–AB56, BT1–BT94, CA2, CA15, CA28, DD1, DD8, DD9, DG1, DG2, DG10–DG14, DG16, FK18–FK20, GY1–GY9, HS1–HS9, IM1–IM9, IV1–IV5, IV7, IV12–IV13, IV21–IV28, IV30–IV36, IV40–IV56, JE1–JE4, KA1, KA4–KA6, KA14–KA15, KA18–KA21, KA27–KA30, KW1–KW3, KW6–KW17, KY6–KY10, KY13–KY16, LL49, LL58–LL62, LL64–LL78, PA17–PA78, PH11, PH19–PH26, PH30–PH33, PH35–PH38, PH40–PH44, PH49–PH50, PO30–PO41, SA68, SA71, ZE1–ZE3

Important delivery terms

Shortages must be reported within 48 hours and noted on delivery paperwork
All deliveries must be signed for; redelivery charges may apply
Deferred deliveries may incur storage charges
Collected orders are not subject to delivery charges
Returns are subject to a 25% restocking fee (delivery charges excluded)
Made-to-measure items are non-refundable
Reasonable access to the delivery point must be available; additional charges may apply