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Keystone B/K-90 Single Leaf Cavity Wall Lintel 4800mm

SKU

KB948

£289.40 £241.17

Product Information

Keystone B/K-90 single leaf cavity wall lintel, 4800mm (15ft 9in) length for wide openings
Designed for use alongside inner leaf concrete lintels to ensure structural integrity
Requires a tight fitting timber batten to prevent twisting during installation
Suitable for cavity widths around 90mm, part of the B/K lintel range for various cavity sizes
Standard duty load, 225mm height and 3.2mm thickness for dependable support on site

Details

The Keystone B/K-90 Single Leaf Cavity Wall Lintel is a specialist structural component engineered for builders and site managers working on cavity wall constructions. At 4800mm long, this lintel is ideal for spanning wider openings, providing reliable support where an inner leaf concrete lintel is also specified. Please note, this lintel must be used with a tight fitting timber batten to prevent twisting during installation.

Application

This lintel is designed specifically for use in single leaf cavity walls, typically in residential and commercial masonry projects. It works in conjunction with inner leaf concrete lintels to distribute loads above openings such as windows and doors. The B/K-90 model accommodates cavity widths around 90mm, making it a practical choice for tradespeople needing a dependable, structural element that fits a common cavity size.

Dimension

Length: 4800mm (15ft 9in)
Height: 225mm
Thickness: 3.2mm

Material

High-quality steel designed for structural building applications

Type

Single leaf cavity wall lintel

Ensure you specify the correct B/K lintel variant for your cavity width (e.g., B/K-50, B/K-70, B/K-90) to guarantee a precise fit. Accessories such as timber battens are sold separately and are essential for correct installation and performance.

More Information

More Information
Type	Single Leaf Lintels
Loading	Standard Duty
Cavity Size	90-105mm
Length	4800mm
Weight	49.440000
Manufacturer	Keystone
Sap Id	KB948

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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