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Keystone BOX/K-200 Solid Wall Box Lintel 4800mm INS

SKU

KBX248INS

£427.98 £356.65

Product Information

Keystone BOX/K-200 Solid Wall Box Lintel, 4800mm (15ft 9in) length for solid walls 100-215mm thick.
Designed for internal openings in 200mm wide solid walls, supporting standard duty loads.
Includes built-in insulation (‘INS’ version) to improve thermal efficiency on site.
Perforated design provides a secure plaster key for finishing trades.
Must be bedded on mortar with a minimum 150mm bearing each side; lintels should be propped during installation.

Details

The Keystone BOX/K-200 Solid Wall Box Lintel 4800mm INS is a specialist lintel designed for trade professionals working on solid wall constructions between 100mm and 215mm thick. This insulated version (‘INS’) enhances thermal performance while maintaining the structural reliability essential for internal openings. Please note the image is for illustration purposes only.

Application

Primarily used to support brick or blockwork over internal openings in solid walls, this lintel carries the full weight of wet masonry immediately after installation. Its perforations offer a dependable plaster key, ensuring a clean, secure finish. Suitable for standard load-bearing requirements, it is ideal for builders, contractors, and site managers focused on robust, energy-conscious builds.

Dimension

Length: 4800mm (15ft 9in)
Width: 200mm (7.9in)
Height: 215mm (8.5in)
Wall thickness compatibility: 100-215mm

Material

Galvanised steel
Insulation layer incorporated within lintel

Type

Box lintel for solid walls
Standard duty load support

Lintels require a minimum end bearing of 150mm on each side, to be bedded on mortar. To ensure safety and speed up construction, propping during installation is recommended. For further technical guidance or assistance, please contact our sales office.

More Information

More Information
Type	Box Lintels
Loading	Standard Duty
Length	4800mm
Weight	68.110000
Manufacturer	Keystone
Sap Id	KBX248INS

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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