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Keystone HDBOX/K-200 Heavy Duty Solid Wall Box Lintel 900mm INS

SKU

KHBX209INS

£79.14 £65.95

Product Information

Keystone HDBOX/K-200 insulated box lintel, 900mm (35.4in) length for 200mm (7.9in) solid walls
Designed for heavy-duty load conditions including concrete floors and concentrated point loads
Built-in insulation (INS version) improves thermal performance on site
Perforated design provides excellent plaster key for finishing
Box lintels require minimum 150mm end bearing each side, bedded on mortar for secure installation

Details

The Keystone HDBOX/K-200 900mm INS is a specialist heavy-duty box lintel engineered to support openings in 200mm solid masonry walls. Its integrated insulation enhances thermal efficiency, making it a reliable choice for contractors working on structurally demanding projects where energy performance matters. Please note, the lintel is supplied as a single unit and must be correctly installed with mortar bearing.

Application

This box lintel is specifically designed for heavy-duty load scenarios, such as supporting concrete floors and point loads above openings in solid walls. The insulated variant helps meet modern building regulations requiring improved thermal performance. Typical uses include residential and commercial new builds or refurbishments where solid masonry walls are present and structural reliability is essential. Proper propping during installation is recommended to ensure safety and speed on site.

Dimension

Length: 900mm (35.4in)
Wall thickness compatibility: 200mm (7.9in)
Height: 150mm (5.9in)
Minimum end bearing: 150mm (5.9in) each side

Material

Steel lintel with integrated insulation
Perforated steel for plaster key

Type

Heavy duty box lintel for solid masonry walls

All technical specifications are provided as a guide. For further assistance or project-specific advice, please contact our sales team. Images are for illustration only and actual product may vary.

More Information

More Information
Type	Box Lintels
Loading	Heavy Duty
Length	900mm
Weight	11.550000
Manufacturer	Keystone
Sap Id	KHBX209INS

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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