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Keystone X/K-70 WIL Extreme Duty Cavity Wall Lintel 4350mm

SKU

KX7WIL435

£1,235.29 £1,029.41

Product Information

Keystone X/K-70 WIL lintel, length 4350mm (14ft 3in) for large openings
Designed for extreme duty loads in cavity walls with 70-85mm cavity width
Supports 125-150mm wide inner leaf blockwork reliably
Constructed for structural strength; must be laterally restrained and propped during installation
All product information is a guide; contact our sales team for technical support

Details

The Keystone X/K-70 WIL Extreme Duty Cavity Wall Lintel, measuring 4350mm in length, is engineered for heavy structural loads in cavity wall construction. It is specifically designed for use where cavity widths range between 70 and 85mm and the inner leaf blockwork is 125-150mm wide. This lintel is a dependable choice for builders and contractors managing demanding projects requiring robust support over wide openings. Please note that correct installation includes lateral restraint and temporary propping to ensure performance.

Application

Ideal for supporting large openings such as doors and windows in cavity walls, this lintel is suited to projects with extreme load requirements. It performs best with inner leaf blockwork between 125 and 150mm wide and cavity widths of 70 to 85mm, commonly found in structural masonry builds. Its design helps maintain wall integrity while bearing substantial weight, making it suitable for commercial and residential developments where reliability is critical.

Dimension

Length: 4350mm (14ft 3in)
Height: 213mm (8.4in)
Width: 311mm (12.2in)
Weight: 197.7kg

Material

Manufactured from high-strength steel designed for structural use in masonry

Type

Extreme duty cavity wall lintel

For optimal performance, the lintel must be laterally restrained and propped during installation to facilitate construction speed and ensure structural safety. All technical details should be reviewed with our sales office to confirm suitability for your specific project requirements.

More Information

More Information
Type	Wide Inner Leaf Lintels
Loading	Extreme Duty
Cavity Size	70-85mm
Length	4350mm
Weight	197.700000
Manufacturer	Keystone
Sap Id	KX7WIL435

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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