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Keystone HD/K-50 Heavy Duty Cavity Wall Lintel 3900mm

SKU

KH539

£338.28 £281.90

Product Information

Keystone HD/K-50 lintel, 3900mm (12ft 9in) length, designed for heavy duty cavity wall support.
Suitable for cavity widths between 50-65mm, providing reliable structural reinforcement.
Constructed to bear significant loads, ideal for large openings in blockwork walls.
Recommended use includes propping during installation to speed up construction.
Blockwork must be built tight against the lintel’s inner face; mortar bedding required for load distribution.

Details

The Keystone HD/K-50 Heavy Duty Cavity Wall Lintel, measuring 3900mm in length, is engineered for builders and contractors working on substantial cavity wall openings. Designed to support heavy loads across cavity widths of 50-65mm, this lintel ensures dependable performance on demanding projects. Please note that blockwork should be built snugly against the lintel’s inner face and a mortar bed placed on top before laying floor units to distribute the load evenly.

Application

This lintel is primarily used to span wide openings in cavity walls, such as doorways and large windows, where strong structural support is critical. Its heavy duty design makes it suitable for residential and commercial developments requiring robust load-bearing solutions. Installation speed can be improved by propping the lintel during construction.

Dimension

Length: 3900mm (12ft 9in)
Height: 209mm (8¼in)
Width: 243mm (9½in)
Weight: Approximately 63.5kg

Material

Manufactured from durable steel suitable for heavy duty load support in cavity walls.

Type

Cavity wall lintel
Heavy duty structural support lintel

All descriptions are offered as a guide. For project-specific advice or assistance, please contact our sales office. Images are for illustration purposes only.

More Information

More Information
Type	Cavity Wall Lintels
Loading	Heavy Duty
Cavity Size	50-65mm
Length	3900mm
Weight	63.530000
Manufacturer	Keystone
Sap Id	KH539

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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