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Keystone BOX/K-200 Solid Wall Box Lintel 3150mm INS

SKU

KBX2315INS

£246.84 £205.70

Product Information

Keystone BOX/K-200 Solid Wall Box Lintel, 3150mm (10ft 4in) length for solid walls 100-215mm thick.
Designed for standard-duty load-bearing on internal openings in masonry walls.
Includes insulation (INS version) to improve thermal efficiency on site.
Perforated design provides a secure plaster key for finishing.
Minimum bearing of 150mm required each end, bedding on mortar essential; lintels must be propped during construction.

Details

The Keystone BOX/K-200 Solid Wall Box Lintel 3150mm INS is a robust structural support designed specifically for solid masonry walls between 100 and 215mm thick. Ideal for builders, contractors, and site managers, this lintel features integral insulation to enhance thermal performance, making it a practical choice for projects demanding both load support and energy efficiency. Please note, lintels require correct bearing and propping during installation.

Application

This box lintel is commonly used to span internal openings in solid brick or block walls, reliably supporting the full weight of wet masonry above. Its perforated design ensures a strong key for plaster finishes, helping deliver a neat, durable wall surface. The insulated version provides improved thermal resistance, beneficial in energy-conscious builds.

Dimension

Length: 3150mm (10ft 4in)
Height: 150mm (6in)
Width: 200mm (8in)
Suitable for wall thicknesses from 100mm up to 215mm

Material

Galvanised steel with integrated insulation (INS variant)

Type

Box lintel for solid masonry walls

Important: A minimum end bearing of 150mm on each side is required, with lintels bedded on mortar. Propping during installation is recommended to ensure structural integrity. All dimensions are manufactured in 150mm increments. For further technical advice or support, please contact our sales team.

More Information

More Information
Type	Box Lintels
Loading	Standard Duty
Length	3150mm
Weight	44.690000
Manufacturer	Keystone
Sap Id	KBX2315INS

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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