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Keystone HDBOX/K-100 Heavy Duty Solid Wall Box Lintel 2100mm INS

SKU

KHBX121INS

£153.59 £127.99

Product Information

Keystone HDBOX/K-100 box lintel, 2100mm (6ft 11in) length for solid 100mm (4in) walls
Designed for heavy duty loads including concrete floors and point loads
Insulated ('INS' version) to improve thermal efficiency on site
Perforated design provides excellent plaster key for finishing
Must have minimum 150mm bearing on each side; lintel sold individually

Details

The Keystone HDBOX/K-100 Heavy Duty Solid Wall Box Lintel 2100mm INS is engineered for builders and contractors requiring robust support for 100mm solid wall openings. Featuring integral insulation, this lintel enhances thermal performance without compromising strength, making it an ideal choice for heavy load-bearing applications such as concrete floors and point loads. Please note, lintels require proper bearing and bedding to ensure structural integrity.

Application

Specifically designed for heavy duty use, this box lintel supports openings in 100mm solid masonry walls. It is commonly used to carry the full weight of wet masonry during construction, as well as permanent loads from concrete floors or concentrated point loads above. Its insulated design helps reduce thermal bridging, improving overall energy efficiency in the structure. Suitable for new builds and renovations where durability and compliance with building regulations are essential.

Dimension

Length: 2100mm (6ft 11in)
Height: 215mm (8.5in)
Width: 95mm (3.7in)

Material

Galvanised steel with integral insulation
Perforated surface for improved plaster adhesion

Type

Heavy duty solid wall box lintel with insulation

Important: This lintel requires a minimum 150mm bearing at each end, bedded on mortar. It is recommended that lintels are propped during installation to speed up construction. All lintels are sold individually. For further technical advice or assistance, please contact our sales team.

More Information

More Information
Type	Box Lintels
Loading	Heavy Duty
Length	2100mm
Weight	27.450000
Manufacturer	Keystone
Sap Id	KHBX121INS

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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