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Keystone S/K-50 WIL Standard Duty Cavity Wall Lintel 3300mm

SKU

KS5WIL33

£345.29 £287.74

Product Information

Keystone S/K-50 WIL cavity wall lintel, 3300mm (10ft 10in) length for wide inner leaf applications.
Designed for standard duty loads supporting cavity widths from 50 to 65mm.
Suitable for 125-150mm thick inner leaf blockwork; flange overhang must not exceed 25mm.
Recommended to prop lintels during installation to ensure construction speed and safety.
For technical advice or specific project queries, please contact the Keystone Technical Office.

Details

The Keystone S/K-50 WIL 3300mm is a standard duty cavity wall lintel engineered to support structural openings where cavity widths range between 50 and 65mm. Tailored for use with 125-150mm wide inner leaf blockwork, this lintel offers dependable performance for builders, site managers, and contractors working on serious projects that demand precision and reliability. Please note that accurate installation and propping are essential for optimal results.

Application

This lintel is primarily used in cavity wall construction with wide inner leaf blocks, supporting window and door openings. It is ideal for projects requiring a robust, standard duty lintel that accommodates cavity widths of 50-65mm and blockwork thickness between 125-150mm. Propping the lintel during installation is recommended to maintain structural integrity and speed up build times.

Dimension

Length: 3300mm (10ft 10in)
Height: 196mm (7 11/16in)
Width (flange): 268mm (10 9/16in)

Material

Manufactured from high-quality steel for strength and durability.

Type

Cavity wall lintel – wide inner leaf, standard duty structural support.

For projects requiring specific technical guidance, please contact the Keystone Technical Office. Proper propping during installation is advised to ensure swift and safe construction.

More Information

More Information
Type	Wide Inner Leaf Lintels
Loading	Standard Duty
Cavity Size	50-65mm
Length	3300mm
Weight	53.750000
Manufacturer	Keystone
Sap Id	KS5WIL33

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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