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Keystone HDBOX/K-200 Heavy Duty Solid Wall Box Lintel 2100mm INS

SKU

KHBX221INS

£184.78 £153.98

Product Information

Keystone HDBOX/K-200 insulated box lintel, 2100mm (6ft 10in) length for solid 200mm (8in) walls
Designed for heavy duty load conditions including concrete floors and point loads
Built-in insulation improves thermal performance to meet modern building standards
Perforated design offers excellent plaster key for secure finishes
Box lintels require minimum 150mm bearing each side, bedded on mortar; lintels should be propped during construction

Details

The Keystone HDBOX/K-200 Heavy Duty Solid Wall Box Lintel is a robust structural support designed specifically for 200mm solid walls. Favoured by builders and site managers tackling heavy load-bearing openings, this 2100mm insulated lintel combines strength with improved thermal efficiency, making it a practical choice for modern construction projects. Please note, lintels must be properly bedded and propped as part of installation.

Application

This heavy duty box lintel is ideal for supporting openings in solid masonry walls where substantial loads such as concrete floors or point loads are present. Its insulated core helps reduce thermal bridging, making it suitable for projects requiring compliance with current energy performance standards. The perforated outer surface ensures excellent adhesion for plaster or render finishes, securing the lintel within the wall structure.

Dimension

Length: 2100mm (6ft 10in)
Height: 215mm (8.5in)
Width: 200mm (8in)
Minimum end bearing: 150mm (6in) each side, bedded on mortar

Material

Steel box lintel with integrated insulation layer

Type

Heavy duty insulated box lintel for solid walls

For best results, ensure lintels are adequately propped during construction to speed up the build process and maintain structural integrity. If you require further technical support or sizing advice, please contact our sales team.

More Information

More Information
Type	Box Lintels
Loading	Heavy Duty
Length	2100mm
Weight	32.810000
Manufacturer	Keystone
Sap Id	KHBX221INS

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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