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Keystone B/K-90 Single Leaf Cavity Wall Lintel 4000mm

SKU

KB94

£245.78 £204.82

Product Information

Keystone B/K-90 single leaf cavity wall lintel, 4000mm (13ft 1in) length for robust structural support.
Designed specifically for use with inner leaf concrete lintels in cavity wall construction.
Requires a tight-fitting timber batten to prevent twisting during installation.
Suitable for cavity widths up to 90mm, part of a range including B/K-50 and B/K-70 options.
Standard duty load with 225mm height and 3.2mm thickness for dependable performance on site.

Details

The Keystone B/K-90 single leaf cavity wall lintel is engineered for builders and contractors working on cavity wall projects requiring reliable, structural support. With a length of 4000mm, this lintel is designed to be used alongside inner leaf concrete lintels, ensuring stability and durability where it matters most. Please note, the lintel must be used with a tight-fitting timber batten to prevent twisting during installation.

Application

This lintel is ideal for supporting openings in single leaf cavity walls, commonly used in residential and commercial masonry construction. It provides dependable load-bearing support over doorways and windows where an inner leaf concrete lintel is present. The B/K-90 model accommodates cavity widths up to 90mm, making it versatile for various build specifications.

Dimension

Length: 4000mm (13ft 1in)
Height: 225mm (8.9in)
Thickness: 3.2mm

Material

Galvanised steel offering strength and corrosion resistance

Type

Single leaf cavity wall lintel

For best results, always install with a tight-fitting timber batten to prevent twisting, as per manufacturer recommendations. The B/K lintel range also includes options for other cavity widths (B/K-50, B/K-70) to suit your specific project needs.

More Information

More Information
Type	Single Leaf Lintels
Loading	Standard Duty
Cavity Size	90-105mm
Length	4000mm
Weight	41.200000
Manufacturer	Keystone
Sap Id	KB94

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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