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Keystone BOX/K-150 Solid Wall Box Lintel 3600mm INS

SKU

KBX1536INS

£216.06 £180.05

Product Information

Keystone BOX/K-150 lintel, 3600mm (11ft 10in) length for solid walls 100-215mm wide
Built-in insulation enhances thermal efficiency on site
Designed for standard duty load-bearing internal openings
Perforated design provides excellent plaster key for finishing
Lintel requires minimum 150mm end bearing, bedded on mortar for secure installation

Details

The Keystone BOX/K-150 Solid Wall Box Lintel 3600mm INS is engineered specifically for builders and contractors working with 150mm wide solid walls requiring reliable load support. Its integrated insulation improves thermal performance, making it a practical choice for energy-conscious builds. Please note, this lintel is designed for internal openings and must be installed with correct end bearings and bedding mortar to ensure structural integrity.

Application

This insulated box lintel is ideal for supporting standard duty internal openings in solid masonry walls between 100mm and 215mm thick. Its perforated surface aids plaster adhesion, allowing for a clean, professional finish. The lintel is suited to wet masonry construction and should be propped during installation to speed up the build process while ensuring safety.

Dimension

Length: 3600mm (11ft 10in)
Height: 215mm (8½")
Width: 145mm (5¾")
Wall width compatibility: 100-215mm (4"-8½")

Material

Steel with integrated insulation for enhanced thermal efficiency
Perforated surface for plaster keying

Type

Solid wall box lintel
Standard duty load-bearing lintel

Ensure a minimum end bearing of 150mm (6") on each side, bedded on mortar for correct installation. For further technical advice or project support, please contact our sales team.

More Information

More Information
Type	Box Lintels
Loading	Standard Duty
Length	3600mm
Weight	61.180000
Manufacturer	Keystone
Sap Id	KBX1536INS

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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