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Keystone RB/K-90 Standard Duty Ringbeam Lintel 3900mm

SKU

KRB939

£517.09 £430.91

Product Information

Keystone RB/K-90 ringbeam lintel, 3900mm (12ft 9in) length, designed for cavity walls with integral concrete ring beams.
Standard duty lintel suitable for a range of structural applications where reliable support is critical.
Requires fixing to the concrete ring beam at 400mm centres using M16 anchor bolts for secure installation.
Available to suit various cavity widths; specify RB/K-50, RB/K-70, or RB/K-90 to match your wall design.
All technical details are for guidance; please contact our sales team for tailored advice and support.

Details

The Keystone RB/K-90 Standard Duty Ringbeam Lintel at 3900mm is engineered for builders and contractors working on cavity wall construction with integral concrete ring beams. This lintel provides dependable structural support, ensuring the integrity of your build. Please note, it must be fixed securely with M16 anchor bolts at 400mm centres, and cavity width selection is essential for the correct fit.

Application

This lintel is specifically designed for use in cavity wall builds where an integral concrete ring beam is present. It is suited to projects demanding standard duty load-bearing capacity, commonly used in residential and commercial developments. The lintel must be bolted to the ring beam to provide stable, continuous support above openings such as windows and doors.

Dimension

Length: 3900mm (12ft 9in)
Height: 200mm (7.9in)
Fixing centres: 400mm (15.7in) for M16 anchor bolts

Material

Manufactured from high-quality steel designed for structural applications
Compatible with concrete ring beams in cavity wall construction

Type

Cavity wall lintel – ringbeam type
Standard duty load category

For accurate specification and installation support, please consult our sales office. The product is supplied according to specified cavity widths—RB/K-50, RB/K-70, or RB/K-90—to ensure optimal performance.

More Information

More Information
Type	Ringbeam Lintels
Loading	Standard Duty
Cavity Size	90-105mm
Length	3900mm
Weight	61.230000
Manufacturer	Keystone
Sap Id	KRB939

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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