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Keystone B/K-70 Single Leaf Cavity Wall Lintel 4000mm

SKU

KB74

£240.20 £200.17

Product Information

Keystone B/K-70 single leaf cavity wall lintel, 4000mm (13'1") length
Designed for use alongside inner leaf concrete lintels in cavity wall construction
Requires a tight-fitting timber batten to prevent twisting on site
Suitable for standard duty loads, ideal for general 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 is engineered for builders and contractors requiring a dependable structural element for cavity wall openings. At 4000mm long, this lintel offers robust support when used in conjunction with an inner leaf concrete lintel. Please note, the lintel must be installed with a tight-fitting timber batten to avoid twisting during construction.

Application

This lintel is specifically designed for cavity wall builds where a single leaf lintel is required to span openings such as windows or doors. It works alongside inner leaf concrete lintels to provide a stable and secure lintel solution suitable for standard load-bearing requirements on residential or commercial projects.

Dimension

Length: 4000mm (13'1")
Height: 225mm
Thickness: 3.2mm

Material

High-quality steel for structural integrity and durability

Type

Single leaf cavity wall lintel

Keystone B/K lintels are available in different cavity width options such as B/K-50, B/K-70, and B/K-90—ensure you specify the correct type for your project requirements. Remember, the product image is for illustration only and installation requires the use of a timber batten to maintain lintel stability.

More Information

More Information
Type	Single Leaf Lintels
Loading	Standard Duty
Cavity Size	70-85mm
Length	4000mm
Weight	40.190000
Manufacturer	Keystone
Sap Id	KB74

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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