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Keystone HDBOX/K-200 Heavy Duty Solid Wall Box Lintel 2400mm INS

SKU

KHBX224INS

£211.02 £175.85

Product Information

Keystone HDBOX/K-200 insulated box lintel, 2400mm (7ft 10in) length, designed for 200mm (8in) solid walls.
Heavy duty lintel engineered to support concrete floors and concentrated point loads.
Includes integral insulation for improved thermal efficiency on site.
Perforated design creates a strong plaster key for reliable finishes.
Box lintels require minimum 150mm bearing each side, bedded in mortar; lintels must be propped during installation.

Details

The Keystone HDBOX/K-200 Heavy Duty Solid Wall Box Lintel with insulation is a high-performance lintel designed specifically for 200mm wide solid masonry walls. Ideal for builders and contractors tackling demanding structural openings, this 2400mm lintel combines robust load-bearing capacity with enhanced thermal insulation, making it a smart choice for modern construction requirements. Please note, lintels must be installed with proper bearing and support as outlined below.

Application

This insulated box lintel is engineered to carry heavy structural loads including concrete floors and concentrated point loads across solid walls. Its perforated box profile ensures excellent plaster adhesion, crucial for clean finishes on internal and external walls. The integral insulation improves thermal performance, helping sites meet current building regulations and reduce cold bridging. Suitable for new builds and refurbishments where durability and compliance are essential.

Dimension

Length: 2400mm (7ft 10in)
Wall width: 200mm (8in)
Height: 215mm
Minimum end bearing: 150mm each side

Material

Steel with integrated thermal insulation
Perforated finish to enhance plaster key

Type

Heavy duty box lintel for solid masonry walls
Insulated structural lintel

Important: All box lintels must be bedded on mortar with a minimum bearing of 150mm at each end. It is strongly recommended to prop lintels during installation to speed up construction and ensure structural integrity. For additional technical advice or support, please contact our sales team.

More Information

More Information
Type	Box Lintels
Loading	Heavy Duty
Length	2400mm
Weight	37.490000
Manufacturer	Keystone
Sap Id	KHBX224INS

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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