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Keystone BOX/K-100 Solid Wall Box Lintel 1800mm INS

SKU

KBX118INS

£64.03 £53.36

Product Information

Keystone BOX/K-100 Solid Wall Box Lintel, 1800mm (5ft 11in) length for solid walls 100-215mm wide
Includes insulation (‘INS’ version) for improved thermal efficiency in structural openings
Designed for standard load support on internal openings, carrying full wet masonry loads
Requires minimum 150mm (6in) bearing each side, bedded on mortar for secure installation
Lintel should be propped during construction to speed up work and ensure safety

Details

The Keystone BOX/K-100 Solid Wall Box Lintel 1800mm INS is engineered specifically for builders and site managers working with solid masonry walls between 100mm and 215mm thick. This insulated lintel is a practical choice for internal openings, combining dependable load support with enhanced thermal performance thanks to its built-in insulation layer. Please note, the lintel is supplied without bricks or additional masonry components.

Application

This box lintel is ideal for supporting standard loads over doorways or window openings in solid block or brick walls within residential or commercial projects. It is designed to carry the full weight of wet masonry immediately after installation, making it especially useful for speedy build programmes. Proper end bearing of at least 150mm on each side is essential for structural integrity. Propping during construction is recommended to maintain safety and workflow efficiency.

Dimension

Length: 1800mm (5ft 11in)
Height: 150mm (6in)
Width: 95mm (3.7in)
Suitable for solid wall thicknesses from 100mm to 215mm

Material

Galvanised steel with integral insulation layer for thermal efficiency

Type

Box lintel for solid wall applications
Standard duty load-bearing lintel with insulation (‘INS’ variant)

For precise installation advice or technical support, please contact our sales team. Note that bricks and other masonry elements are sold separately.

More Information

More Information
Type	Box Lintels
Loading	Standard Duty
Length	1800mm
Weight	11.850000
Manufacturer	Keystone
Sap Id	KBX118INS

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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