Skip to the beginning of the images gallery

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

SKU

KX7WOL39

£1,081.74 £901.45

Product Information

Keystone X/K-70 WOL lintel measuring 3900mm (12ft 9in) in length for wide outer leaf cavity walls.
Designed for extreme duty loads, ideal for heavy structural openings and demanding projects.
Suitable for cavity widths of 70-85mm and outer leaf blockwork between 125-150mm thick.
Constructed for reliability on site, ensuring long-lasting support where strength is critical.
Lintel must be laterally restrained and propped during installation to achieve full load capacity.

Details

The Keystone X/K-70 WOL Extreme Duty Cavity Wall Lintel at 3900mm is engineered specifically for contractors and site managers requiring robust support over large openings. It is tailored for cavity walls with a 70-85mm gap and wide outer leaf blockwork between 125-150mm. This lintel delivers dependable performance on serious builds where structural integrity cannot be compromised. Please note the lintel must be laterally restrained and propped to meet the specified loading requirements.

Application

This lintel is ideal for use in heavy-duty cavity wall construction where wide outer leaf blockwork is involved, such as commercial and residential developments with large window or door openings. Its extreme load capacity makes it suitable for supporting substantial masonry above openings, providing essential stability for multi-storey builds and demanding site conditions. Propping during installation is recommended to speed up construction while ensuring safety.

Dimension

Length: 3900mm (12ft 9in)
Height: 213mm (8.4in)
Width: 311mm (12.2in)
Cavity range accommodation: 70-85mm
Outer leaf blockwork thickness: 125-150mm

Material

High-strength steel or engineered composite designed for extreme load-bearing applications (material details as per manufacturer specifications).

Type

Extreme duty cavity wall lintel
Wide outer leaf lintel variant

All dimensions and specifications should be confirmed with our sales team to ensure correct application. Accessories such as bricks or propping equipment are not included with this lintel.

More Information

More Information
Type	Wide Outer Leaf Lintels
Loading	Extreme Duty
Cavity Size	70-85mm
Length	3900mm
Weight	174.310000
Manufacturer	Keystone
Sap Id	KX7WOL39

Customer Reviews

No reviews yet on this product

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