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Keystone X/K-70 Extreme Duty Cavity Wall Lintel 4200mm

SKU

KX742

£1,192.70 £993.92

Product Information

Keystone X/K-70 lintel, 4200mm (13ft 9in) length, designed for extreme load applications.
Supports cavity wall openings with cavity widths from 70mm to 85mm (2.75"–3.35").
Constructed with galvanised steel flange for enhanced durability in outer leaf walls.
Recommended use includes lateral restraint and propping for optimal load performance and faster construction.
All technical details are guidelines; please contact Condell sales for expert advice tailored to your project.

Details

The Keystone X/K-70 Extreme Duty Cavity Wall Lintel at 4200mm is engineered for demanding structural projects requiring robust support for wide openings. Ideal for builders, site managers, and contractors working with cavity walls measuring 70 to 85mm, this lintel offers dependable strength and corrosion resistance thanks to its galvanised steel flange. Please note that installation requires lateral restraint and propping to achieve specified load capacities.

Application

Designed specifically for cavity wall construction, the Keystone X/K-70 lintel is suited to supporting large openings such as windows and doorways under extreme loading conditions. Its heavy-duty build makes it reliable for commercial developments and substantial residential projects where structural integrity is critical. The galvanised flange ensures longevity in external walls exposed to weather, while the recommended propping facilitates safer and quicker build times on site.

Dimension

Length: 4200mm (13ft 9in)
Height: 213mm (8¼")
Width: 263mm (10⅜")
Weight: 185.08kg
Cavity accommodation: 70-85mm (2.75"–3.35")

Material

Galvanised steel flange for corrosion resistance
Structural steel core to support extreme loading

Type

Extreme Duty Cavity Wall Lintel

For precise load requirements and installation advice, please contact our sales team. Images are for illustration only.

More Information

More Information
Type	Cavity Wall Lintels
Loading	Extreme Duty
Cavity Size	70-85mm
Length	4200mm
Weight	185.080000
Manufacturer	Keystone
Sap Id	KX742

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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