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Keystone CFS/K-50 Extra Heavy Duty Cavity Wall Lintel 4350mm

SKU

KCFS5435

£428.80 £357.33

Product Information

Keystone CFS/K-50 lintel, 4350mm (14ft 3in) length for large cavity wall openings.
Designed for extra heavy duty load-bearing in cavity widths of 50-65mm (2-2.5in).
Constructed to support brickwork or blockwork over wide spans safely and reliably.
Recommended use with fully filled perpendicular and horizontal mortar joints for optimum strength.
Lintel installation requires mortar bedding on blockwork and propping during construction for speed and safety.

Details

The Keystone CFS/K-50 Extra Heavy Duty Cavity Wall Lintel at 4350mm length is engineered for robust structural support in cavity walls with widths from 50 to 65mm. Ideal for builders, contractors, and site managers working on demanding projects, this lintel ensures dependable load-bearing performance where wide openings require extra strength. Please note, proper installation is essential for optimal results.

Application

This lintel is suitable for supporting brick or blockwork over large cavity wall openings such as windows, doors, and other structural apertures. It is specifically designed to carry extra heavy loads, making it a reliable choice for both residential and commercial projects where structural integrity and compliance with building regulations are critical. To achieve the best performance, ensure all perpendicular and horizontal joints around the lintel are fully filled with mortar, and place a mortar bed on top of the blockwork before laying floor units to distribute the load evenly. Propping the lintel during construction is recommended to speed up the build and maintain safety standards.

Dimension

Length: 4350mm (14ft 3in)
Height: 229mm (9in)
Width: 243mm (9.6in)
Weight: 86.7kg

Material

Manufactured from high-grade steel designed for structural load-bearing applications.

Type

Cavity wall lintel – extra heavy duty category suitable for wide cavity widths.

All product details are provided as a guide; for technical support or advice on application, please contact our sales office. Proper installation including mortar bedding and propping is essential to ensure the lintel performs as intended on site.

More Information

More Information
Type	Cavity Wall Lintels
Loading	Extra Heavy Duty
Cavity Size	50-65mm
Length	4350mm
Weight	86.700000
Manufacturer	Keystone
Sap Id	KCFS5435

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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