Skip to the beginning of the images gallery

Keystone S/K-150 Standard Duty Cavity Wall Lintel 4000mm

SKU

KS154

£438.02 £365.02

Product Information

Keystone S/K-150 lintel, 4000mm (13ft 1in) length designed for standard duty cavity walls.
Suitable for cavity widths between 150mm and 165mm (5.9in–6.5in), supporting structural openings reliably.
Constructed for use with blockwork built tight to the inner face, ensuring stable load transfer.
Recommended to use a mortar bed over blockwork before laying floor units for even load distribution.
For efficient installation, lintels should be propped during construction; please contact our sales team for technical advice.

Details

The Keystone S/K-150 Standard Duty Cavity Wall Lintel is designed to provide reliable support for openings in cavity walls with widths from 150mm to 165mm. Ideal for builders, site managers, and contractors working on structural brick and blockwork projects, this lintel ensures dependable load-bearing capacity where standard duty performance is required. Please note, proper installation practices such as propping are essential for safety and speed of construction.

Application

This lintel is commonly used above doors, windows, and other openings in cavity wall construction where the cavity measures between 150mm and 165mm. It supports the masonry above to prevent movement or cracking, making it suitable for domestic and light commercial builds. The lintel is intended to be installed with blockwork built tightly against its inner face and requires a mortar bed placed on top of the blockwork before floor units are laid to ensure even load distribution across the structure.

Dimension

Length: 4000mm (13ft 1in)
Height: 173mm (6.8in)
Width: 340mm (13.4in)
Weight: 68.3kg
Cavity width suitability: 150-165mm (5.9in–6.5in)

Material

Manufactured from high-quality steel with corrosion-resistant coating suitable for masonry support.

Type

Standard duty cavity wall lintel

All descriptions are provided as guidance. For project-specific requirements or further technical support, please contact our sales office. Proper propping during installation is recommended to ensure safety and compliance. Images are for illustration purposes only.

More Information

More Information
Type	Cavity Wall Lintels
Loading	Standard Duty
Cavity Size	150-165mm
Length	4000mm
Weight	68.240000
Manufacturer	Keystone
Sap Id	KS154

Customer Reviews

No reviews yet on this product

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