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Keystone B/K-90 Single Leaf Cavity Wall Lintel 4350mm

SKU

KB9435

£261.95 £218.29

Product Information

Keystone B/K-90 cavity wall lintel, 4350mm (14ft 3in) length, designed for single leaf wall applications.
Constructed for standard duty load support in general building projects requiring cavity wall lintels.
Compatible with inner leaf concrete lintels and requires a tight fitting timber batten to prevent twisting.
Available in multiple cavity width options including B/K-50, B/K-70, and B/K-90 to suit your cavity size.
Important: Must be used with timber batten; sold individually – no bricks or fixings included.

Details

The Keystone B/K-90 Single Leaf Cavity Wall Lintel, measuring 4350mm in length, is engineered for builders and contractors working on cavity wall constructions requiring dependable lintel support. This lintel offers a standard duty load rating, making it a practical choice for a variety of structural masonry openings. Please note, this lintel must be used alongside a tight fitting timber batten to maintain stability and prevent twisting during installation.

Application

Designed specifically for single leaf cavity walls, the Keystone B/K-90 lintel supports masonry above doors, windows, and other openings. It is intended to be used in conjunction with an inner leaf concrete lintel and a timber batten to ensure structural integrity. This product is suitable for general building and renovation projects where reliable load-bearing lintels are essential.

Dimension

Length: 4350mm (14ft 3in)
Height: 225mm (8.9in)
Thickness: 3.2mm (0.13in)

Material

Steel lintel with corrosion-resistant finish designed for structural durability
Requires use with timber batten (not included) to prevent twisting

Type

Single leaf cavity wall steel lintel

Important: This lintel is sold individually and must always be installed with a timber batten as specified. Bricks, fixings, or additional installation materials are not included. Images are for illustration purposes only.

More Information

More Information
Type	Single Leaf Lintels
Loading	Standard Duty
Cavity Size	90-105mm
Length	4350mm
Weight	44.800000
Manufacturer	Keystone
Sap Id	KB9435

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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