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Keystone BOX/K-150 Solid Wall Box Lintel 1050mm INS

SKU

KBX15105INS

£41.06 £34.22

Product Information

Keystone BOX/K-150 Solid Wall Box Lintel measures 1050mm (41.3in) in length, designed for 150mm wide solid walls.
Incorporates insulation for improved thermal efficiency, ideal for internal openings.
Perforated design provides excellent plaster key, ensuring a secure finish.
Supports full wet masonry load immediately after installation, suitable for standard duty applications.
Minimum 150mm end bearing required on each side; lintel must be bedded on mortar and propped for speedier construction.

Details

The Keystone BOX/K-150 Solid Wall Box Lintel 1050mm INS is engineered for builders and contractors working with 150mm solid walls who need a dependable lintel with enhanced thermal insulation. Its insulated core improves energy efficiency, making it a smart choice for internal openings requiring standard duty load support. Please note this product must be bedded on mortar with adequate end bearing and propped during installation.

Application

This lintel is commonly used to span internal openings in solid brick or block walls with widths between 100mm and 215mm. The insulated version offers improved thermal performance, reducing heat loss through lintel areas. Its perforated steel design provides a strong key for plaster, ensuring a durable and neat wall finish. Ideal for structural support above doors, windows, and other openings on residential or commercial sites.

Dimension

Length: 1050mm (41.3in)
Height: 150mm (5.9in)
Width: 145mm (5.7in)
Suitable for wall widths of 100-215mm

Material

Galvanised steel with integrated insulation core
Mortar bedding required for installation

Type

Box lintel for solid walls
Standard duty structural support

All Keystone Box Lintels require a minimum 150mm end bearing on each side and should be propped to speed up construction. For further technical advice or sizing options, please contact our sales team.

More Information

More Information
Type	Box Lintels
Loading	Standard Duty
Length	1050mm
Weight	8.440000
Manufacturer	Keystone
Sap Id	KBX15105INS

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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