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Keystone BOX/K-100 Solid Wall Box Lintel 2250mm INS

SKU

KBX1225INS

£84.04 £70.03

Product Information

Keystone BOX/K-100 Solid Wall Box Lintel, 2250mm (7ft 5in) length, designed for solid walls 100-215mm thick.
Features built-in insulation for improved thermal efficiency on internal openings.
Standard duty lintel suitable for supporting wet masonry loads immediately after installation.
Requires minimum 150mm bearing each side, bedded on mortar, with recommended propping for faster build.
All measurements and installation guidelines should be checked with our sales team for project-specific advice.

Details

The Keystone BOX/K-100 Solid Wall Box Lintel 2250mm INS is a reliable choice for builders and contractors working with solid masonry walls between 100mm and 215mm thick. This lintel is specially designed for internal openings, featuring extra insulation to enhance thermal performance, making it suitable for projects where energy efficiency is a priority. Please note, the lintel must be bedded correctly and propped during construction to ensure optimal performance.

Application

This box lintel supports the full load of wet masonry immediately upon installation, making it ideal for creating strong, stable internal openings such as doorways and window apertures in solid wall construction. Its insulated design helps reduce thermal bridging, beneficial for compliance with building regulations and improving overall wall performance. Suitable for standard load-bearing requirements, it is commonly used by site managers and builders focused on quality and efficiency.

Dimension

Length: 2250mm (7ft 5in)
Height: 150mm
Width: 95mm
Wall thickness compatibility: 100-215mm

Material

Steel lintel with integrated insulation for thermal performance

Type

Standard duty box lintel for solid walls

Ensure a minimum end bearing of 150mm on each side of the opening, bedding the lintel on mortar. Propping during construction is recommended to speed up the build process and secure the lintel's position. For detailed project guidance, please contact our sales team.

More Information

More Information
Type	Box Lintels
Loading	Standard Duty
Length	2250mm
Weight	18.510000
Manufacturer	Keystone
Sap Id	KBX1225INS

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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