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Keystone CFS/K-70 Extra Heavy Duty Cavity Wall Lintel 3450mm

SKU

KCFS7345

£319.73 £266.44

Product Information

Keystone CFS/K-70 lintel measuring 3450mm (11ft 4in) length, ideal for wide cavity walls.
Extra heavy duty design supports heavy loads in cavity widths of 70-85mm (2.75-3.35in).
Constructed for use in structural openings like doors and windows in cavity wall builds.
Ensure all perpendicular and horizontal joints are fully mortared for maximum strength and stability.
Lintel supplied as described; propping during installation is recommended to speed construction and ensure safety.

Details

The Keystone CFS/K-70 Extra Heavy Duty Cavity Wall Lintel, 3450mm in length, is engineered for builders and contractors requiring dependable structural support for cavity wall openings. Suitable for cavity widths between 70mm and 85mm, it provides robust load-bearing capacity for demanding projects. Please note, correct installation including mortar filling and propping is essential for optimal performance.

Application

This lintel is designed specifically for use in cavity wall construction, supporting doorways, windows, and other wide openings where heavy loads must be safely transferred to surrounding masonry. It is ideal for residential and commercial builds where extra heavy duty performance is required. Installation best practice includes applying a mortar bed over blockwork before laying floor units to evenly distribute loads.

Dimension

Length: 3450mm (11ft 4in)
Height: 229mm (9in)
Width: 263mm (10.35in)
Weight: 70.17kg

Material

High-strength steel and concrete composite (as per Keystone specifications)

Type

Extra heavy duty cavity wall lintel

All perpendicular and horizontal joints must be fully filled with mortar to guarantee stability. Propping the lintel during installation is recommended to facilitate quicker, safer construction. For any specific technical advice or custom requirements, please contact our sales office.

More Information

More Information
Type	Cavity Wall Lintels
Loading	Extra Heavy Duty
Cavity Size	70-85mm
Length	3450mm
Weight	70.170000
Manufacturer	Keystone
Sap Id	KCFS7345

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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