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Keystone BOX/K-100 Solid Wall Box Lintel 1500mm INS

SKU

KBX115INS

£52.97 £44.14

Product Information

Keystone BOX/K-100 Solid Wall Box Lintel with insulation, 1500mm (59") length
Suitable for solid walls 100-215mm thick, ideal for internal openings
Incorporates extra insulation for improved thermal efficiency
Supports full wet masonry load immediately after installation
Requires minimum 150mm end bearing each side, bedded on mortar; lintels must be propped during construction

Details

The Keystone BOX/K-100 Solid Wall Box Lintel 1500mm INS is engineered for builders and contractors working with 100mm wide solid walls needing reliable, insulated lintel support. This product enhances thermal performance without compromising structural integrity, making it a smart choice for internal openings where energy efficiency matters. Please note the lintel must be bedded on mortar with adequate end bearing and propped during installation.

Application

This box lintel is designed to carry the full load of wet masonry as soon as it is installed, making it suitable for internal load-bearing openings within solid masonry walls ranging from 100mm to 215mm thick. It’s commonly used in residential and commercial projects where thermal insulation within the lintel helps meet building regulations and improves overall energy efficiency. Propping is recommended to speed up construction and ensure safety.

Dimension

Length: 1500mm (59")
Height: 75mm (3")
Width: 95mm (3.7")
Suitable for wall widths: 100-215mm (4-8.5")

Material

Steel lintel with built-in insulation layer
Coated to resist corrosion and enhance durability

Type

Box lintel designed for solid wall support
Standard duty load-bearing lintel with thermal insulation

All lintels must be installed with a minimum 150mm end bearing, bedded on mortar, and adequately propped during construction to ensure optimal performance and safety. For further technical advice, please contact our sales team.

More Information

More Information
Type	Box Lintels
Loading	Standard Duty
Length	1500mm
Weight	7.490000
Manufacturer	Keystone
Sap Id	KBX115INS

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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