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Keystone B/K-70 Single Leaf Cavity Wall Lintel 4350mm

SKU

KB7435

£256.00 £213.33

Product Information

Keystone B/K-70 single leaf cavity wall lintel, 4350mm (14ft 3in) length, 225mm height
Designed for use with inner leaf concrete lintels in cavity wall construction
Requires tight-fitting timber batten to prevent twisting during installation
Standard duty load capacity suitable for typical building projects
Available for 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 at 4350mm is engineered for trade professionals focused on dependable structural performance. Perfect for use alongside inner leaf concrete lintels, this lintel offers a robust solution for standard load-bearing cavity walls. Please note, the lintel must be installed with a tight-fitting timber batten to ensure stability and prevent twisting.

Application

This lintel is tailored for cavity wall construction where a single leaf lintel is required to support masonry above openings such as windows and doors. It is commonly specified on residential and commercial projects requiring reliable standard duty load support. The B/K-70 version is suited to cavity widths around 70mm, with alternative sizes available for differing cavity dimensions.

Dimension

Length: 4350mm (14ft 3in)
Height: 225mm
Thickness: 3.2mm

Material

Galvanised steel suitable for structural masonry support

Type

Single leaf cavity wall lintel

Ensure the lintel is used with the specified timber batten for secure installation. Always confirm cavity width requirements when ordering to select the correct B/K lintel type.

More Information

More Information
Type	Single Leaf Lintels
Loading	Standard Duty
Cavity Size	70-85mm
Length	4350mm
Weight	43.710000
Manufacturer	Keystone
Sap Id	KB7435

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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