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Keystone X/K-70 Extreme Duty Cavity Wall Lintel 5800mm

SKU

KX758

£1,647.06 £1,372.55

Product Information

Keystone X/K-70 extreme duty cavity wall lintel, length 5800mm (19ft 0in).
Designed for cavity widths from 70mm to 85mm (2.75in to 3.35in), perfect for robust structural support.
Galvanised steel flange ensures corrosion resistance and durability on exterior leaf.
Recommended lateral restraint and temporary propping speed up installation and maintain load capacity.
All specifications are guidelines; please contact Condell sales for technical support and project advice.

Details

The Keystone X/K-70 extreme duty cavity wall lintel is engineered for builders and contractors requiring reliable support over large openings in cavity walls ranging from 70mm to 85mm wide. Its robust design and galvanised steel flange provide excellent durability and corrosion resistance, making it a dependable choice for demanding structural applications. Please note, lintels must be laterally restrained and propped during installation to achieve specified load performance.

Application

This lintel is ideal for heavy-load bearing cavity walls, often used in commercial and residential projects where wide openings such as doors or large windows require strong, stable support. It suits cavity wall thicknesses of 70-85mm and is designed to carry extreme loads safely when installed correctly. Propping is advised to accelerate construction while maintaining structural integrity.

Dimension

Length: 5800mm (19ft 0in)
Height: 213mm (8.4in)
Width: 263mm (10.4in)
Cavity range supported: 70-85mm (2.75in to 3.35in)

Material

Galvanised steel flange for enhanced corrosion resistance
High-strength steel lintel body engineered for extreme load conditions

Type

Cavity wall lintel
Extreme duty structural support component

For precise loading details and technical advice, please contact our sales team. Images are for illustration purposes only.

More Information

More Information
Type	Cavity Wall Lintels
Loading	Extreme Duty
Cavity Size	70-85mm
Length	5800mm
Weight	255.590000
Manufacturer	Keystone
Sap Id	KX758

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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