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Keystone CFS/K-70 Extra Heavy Duty Cavity Wall Lintel 3750mm

SKU

KCFS7375

£347.56 £289.63

Product Information

Keystone CFS/K-70 cavity wall lintel, length 3750mm (12ft 4in), height 229mm (9in), width 263mm (10in)
Extra heavy duty design supports openings with 70-85mm cavity widths
Ideal for builders and contractors requiring strong, reliable structural support
Ensure all perpendicular and horizontal joints are fully mortared for maximum load distribution
Lintels should be propped during installation to speed up construction

Details

The Keystone CFS/K-70 is an extra heavy duty cavity wall lintel measuring 3750mm in length, engineered to provide robust support for openings in walls with cavity widths between 70 and 85mm. Designed specifically for builders, site managers and trade professionals, this lintel delivers dependable performance on serious construction projects. Please note, proper installation with full mortar joints is essential for optimal results.

Application

This lintel is typically used to span openings such as doorways and large window frames within cavity walls conforming to 70-85mm widths. It supports heavy structural loads, making it suitable for commercial and residential developments where reliability and strength are paramount. Tradespeople should ensure a mortar bed is placed on top of the blockwork before laying floor units to evenly distribute the load across the lintel. Props are recommended during installation to maintain safety and expedite construction.

Dimension

Length: 3750mm (12ft 4in)
Height: 229mm (9in)
Width: 263mm (10in)
Weight: 76.27kg

Material

Steel reinforced concrete

Type

Cavity wall lintel
Extra heavy duty load-bearing lintel

All perpendicular and horizontal joints must be fully filled with mortar to ensure structural integrity. This product is supplied as described; for any technical queries or further assistance, please contact our sales team.

More Information

More Information
Type	Cavity Wall Lintels
Loading	Extra Heavy Duty
Cavity Size	70-85mm
Length	3750mm
Weight	76.270000
Manufacturer	Keystone
Sap Id	KCFS7375

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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