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Keystone B/K-90 Single Leaf Cavity Wall Lintel 4500mm

SKU

KB945

£272.44 £227.03

Product Information

Keystone B/K-90 single leaf cavity wall lintel, 4500mm (14ft 9in) length for wide openings.
Designed for use with inner leaf concrete lintels, ensuring robust structural support.
Requires a tight-fitting timber batten to prevent twisting during installation.
Available in various cavity widths to suit different wall configurations (B/K-50, B/K-70, B/K-90).
Standard-duty lintel with a height of 225mm and thickness of 3.2mm for reliable performance on site.

Details

The Keystone B/K-90 single leaf cavity wall lintel at 4500mm length is engineered for builders and site managers handling cavity wall constructions. This standard-duty lintel provides dependable support when used alongside an inner leaf concrete lintel, making it a practical choice for structural openings. Please note, the lintel must be installed with a tight-fitting timber batten to prevent twisting, ensuring stability and durability.

Application

Specifically designed for cavity wall projects, this single leaf lintel supports masonry above openings such as windows and doors. It is suitable for use in conjunction with inner leaf concrete lintels to create a solid and stable wall structure. The B/K-90 model is ideal for walls with a 90mm cavity width, common in modern builds and refurbishments.

Dimension

Length: 4500mm (14ft 9in)
Height: 225mm
Thickness: 3.2mm

Material

High-quality steel designed for load-bearing applications in masonry walls.

Type

Single leaf cavity wall lintel

This lintel is supplied without timber battens or inner leaf concrete lintels, which must be sourced separately. Images are for illustration purposes only.

More Information

More Information
Type	Single Leaf Lintels
Loading	Standard Duty
Cavity Size	90-105mm
Length	4500mm
Weight	46.350000
Manufacturer	Keystone
Sap Id	KB945

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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