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Keystone X/K-70 Extreme Duty Cavity Wall Lintel 3300mm

SKU

KX733

£937.12 £780.93

Product Information

Keystone X/K-70 lintel, 3300mm (10ft 10in) length, designed for extreme load-bearing cavity walls.
Suitable for cavity widths from 70mm to 85mm (2.75in to 3.35in), perfect for robust structural openings.
Features a galvanised steel flange to the outer leaf for enhanced corrosion resistance on site.
Recommended lateral restraint and propping to ensure optimal load performance and construction efficiency.
All technical details provided as guidance – please contact our sales team for project-specific advice.

Details

The Keystone X/K-70 Extreme Duty Cavity Wall Lintel at 3300mm is engineered for builders and contractors requiring dependable support for large openings with cavity widths between 70mm and 85mm. This specialist lintel offers extreme load capacity, making it ideal for demanding structural applications where reliability is critical. Please note, the lintel must be laterally restrained and propped during installation to achieve stated load capacities.

Application

Designed specifically for cavity wall construction, this lintel supports openings such as wide window and door frames on projects where heavy load-bearing capacity is essential. It’s well suited to commercial and residential developments that require robust structural elements, ensuring stability and compliance with building regulations.

Dimension

Length: 3300mm (10ft 10in)
Height: 213mm (8.4in)
Width: 263mm (10.4in)
Weight: 145.42kg (320.7lbs)
Suitable cavity width range: 70-85mm (2.75-3.35in)

Material

Galvanised steel flange for outer leaf protection against corrosion
Heavy-duty steel core engineered for extreme load support

Type

Extreme duty cavity wall lintel

For optimum performance, ensure the lintel is adequately laterally restrained and propped during construction. All technical information is offered as guidance; for tailored recommendations and assistance, please contact our sales office.

More Information

More Information
Type	Cavity Wall Lintels
Loading	Extreme Duty
Cavity Size	70-85mm
Length	3300mm
Weight	145.420000
Manufacturer	Keystone
Sap Id	KX733

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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