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Keystone S/K-70 WIL Standard Duty Cavity Wall Lintel 4000mm

SKU

KS7WIL4

£490.51 £408.76

Product Information

Keystone S/K-70 WIL cavity wall lintel, 4000mm (13ft 1in) length for wide inner leaf applications.
Designed to support standard duty loads in 70-85mm cavity walls with 125-150mm inner leaf blockwork.
Ensures structural integrity for openings in cavity walls with a height of 192mm and width of 288mm.
Recommended to prop lintels during installation to speed up construction and maintain alignment.
All technical details provided as a guide; consult Keystone Technical Office for specific project requirements.

Details

The Keystone S/K-70 WIL Standard Duty Cavity Wall Lintel at 4000mm length is engineered for builders and contractors working with cavity walls featuring wide inner leaf blockwork. This lintel is a dependable choice for supporting openings where cavity widths range between 70 and 85mm, offering the strength needed for standard load applications. Please note, all guidance provided should be confirmed with Keystone Technical Office to ensure suitability for your specific build.

Application

This lintel is designed specifically for cavity wall constructions where the inner leaf blockwork measures between 125 and 150mm in width. It supports window and door openings, ensuring load distribution across the cavity with minimal overhang—inner leaf blockwork should not exceed 25mm beyond the lintel flange. Propping lintels during installation is advised to facilitate quicker, safer construction and prevent movement before the mortar sets.

Dimension

Length: 4000mm (13ft 1in)
Height: 192mm (7.6in)
Width: 288mm (11.3in)
Cavity range supported: 70-85mm (2.75-3.35in)

Material

Steel lintel with protective coating suitable for structural cavity wall use.

Type

Standard duty cavity wall lintel for wide inner leaf applications.

Always follow site-specific guidance and consult technical support for complex or heavy load scenarios. This lintel is supplied as described; images are for illustration only.

More Information

More Information
Type	Wide Inner Leaf Lintels
Loading	Standard Duty
Cavity Size	70-85mm
Length	4000mm
Weight	65.780000
Manufacturer	Keystone
Sap Id	KS7WIL4

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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