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Keystone S/K-50 WIL Standard Duty Cavity Wall Lintel 3900mm

SKU

KS5WIL39

£424.97 £354.14

Product Information

Keystone S/K-50 WIL cavity wall lintel, 3900mm (12ft 9in) in length for wide inner leaf applications.
Designed for standard duty loads supporting cavity widths from 50 to 65mm (2" to 2.6") and inner leaf blockwork 125-150mm wide.
Suitable for builders and contractors needing reliable lintel support for window and door openings.
Ensure inner leaf blockwork does not overhang lintel flange by more than 25mm for optimal performance.
Lintels should be propped during installation to speed up construction and maintain structural integrity.

Details

The Keystone S/K-50 WIL standard duty cavity wall lintel is engineered to provide dependable support over openings in cavity walls with a 50-65mm cavity and a wide inner leaf blockwork of 125-150mm. This 3900mm lintel is ideal for builders, site managers, and contractors who require structurally sound and straightforward solutions for load-bearing walls. Please note, lintels must be propped during installation to ensure safe and efficient construction.

Application

This lintel is primarily used to span window and door openings in cavity wall constructions where the inner leaf is wider than standard, typically 125-150mm blockwork. It supports the masonry above while accommodating cavity widths of 50 to 65mm. Its standard duty rating makes it suitable for most domestic and light commercial projects where reliable structural support is critical.

Dimension

Length: 3900mm (12ft 9in)
Height: 196mm (7.7in)
Width (flange): 268mm (10.5in)
Weight: 63.53kg

Material

High-quality steel designed for structural applications in masonry cavity walls.

Type

Cavity wall lintel – wide inner leaf, standard duty load-bearing.

Ensure that the inner leaf blockwork does not exceed a 25mm overhang over the lintel flange to maintain correct load distribution. For further technical guidance or project-specific advice, please contact the Keystone Technical Office.

More Information

More Information
Type	Wide Inner Leaf Lintels
Loading	Standard Duty
Cavity Size	50-65mm
Length	3900mm
Weight	63.530000
Manufacturer	Keystone
Sap Id	KS5WIL39

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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