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Keystone B/K-70 Single Leaf Cavity Wall Lintel 3300mm

SKU

KB733

£196.20 £163.50

Product Information

Keystone B/K-70 single leaf cavity wall lintel, 3300mm (10ft 10in) length, 225mm height
Designed for standard duty load applications in cavity wall construction
Requires use with a tight-fitting timber batten to prevent twisting on site
Suitable for cavity widths around 70mm, part of a range for different cavity sizes
Note: For use with inner leaf concrete lintel; ensure correct installation for structural integrity

Details

The Keystone B/K-70 is a single leaf cavity wall lintel measuring 3300mm in length, engineered specifically for cavity wall applications where reliable structural support is essential. This lintel is ideal for builders and site managers working on cavity walls requiring a standard duty load solution. Please note this product is designed to be used alongside an inner leaf concrete lintel and must be installed with a tight-fitting timber batten to prevent twisting.

Application

This lintel is typically specified for use in cavity walls with a 70mm cavity width, providing dependable support over openings such as doors and windows. It is particularly suited to projects where a single leaf lintel is required to complement inner leaf concrete lintels, ensuring the structural integrity of masonry work. The B/K-70 lintel is often chosen by contractors and developers who value precise fit and reliable performance in load-bearing wall elements.

Dimension

Length: 3300mm (10ft 10in)
Height: 225mm (8.9in)
Thickness: 3.2mm (0.13in)

Material

Galvanised steel

Type

Single leaf cavity wall lintel

Important: The B/K-70 lintel must be installed with a tight-fitting timber batten to prevent twisting and ensure correct load distribution. It is supplied to complement inner leaf concrete lintels and must be specified according to cavity width. Always confirm compatibility with your cavity dimensions and project requirements before ordering.

More Information

More Information
Type	Single Leaf Lintels
Loading	Standard Duty
Cavity Size	70-85mm
Length	3300mm
Weight	33.160000
Manufacturer	Keystone
Sap Id	KB733

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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