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Keystone X/K-70 WIL Extreme Duty Cavity Wall Lintel 3900mm

SKU

KX7WIL39

£1,107.50 £922.92

Product Information

Keystone X/K-70 WIL lintel, 3900mm (12ft 9in) length for large openings
Designed for extreme-duty loading on cavity walls with 70-85mm cavity width
Supports 125-150mm wide inner leaf blockwork ensuring robust structural integrity
Recommended to be laterally restrained and propped for safe, fast installation on site
All technical details are a guide; please contact our sales team for project-specific advice

Details

The Keystone X/K-70 WIL Extreme Duty Cavity Wall Lintel at 3900mm is engineered for trade professionals tackling demanding structural openings. Specifically designed to support cavity widths between 70 and 85mm with a wide inner leaf, this lintel offers the reliability contractors need on serious build projects. Please note that correct lateral restraint and propping are essential to meet loading requirements.

Application

This lintel is commonly installed over large window and door openings within cavity walls where the inner leaf is between 125mm and 150mm wide. Its extreme duty rating makes it suitable for heavy structural loads, ensuring stability in residential or commercial developments. Proper lateral restraint and temporary propping during construction are recommended to maintain safety and compliance.

Dimension

Length: 3900mm (12ft 9in)
Height: 213mm
Width: 311mm
Weight: 177.25kg
Cavity range: 70-85mm

Material

Manufactured from high-strength steel designed for extreme load-bearing capacity

Type

Extreme duty cavity wall lintel for wide inner leaf construction

For site-specific requirements or technical support, please contact our sales office. Correct installation including lateral restraint and propping is critical to achieve the lintel’s performance specifications.

More Information

More Information
Type	Wide Inner Leaf Lintels
Loading	Extreme Duty
Cavity Size	70-85mm
Length	3900mm
Weight	177.250000
Manufacturer	Keystone
Sap Id	KX7WIL39

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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