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Keystone HDBOX/K-100 Heavy Duty Solid Wall Box Lintel 1350mm INS

SKU

KHBX1135INS

£91.39 £76.16

Product Information

Keystone HDBOX/K-100 box lintel, 1350mm (4ft 5in) length, 150mm (6in) height, 95mm (3.7in) width
Designed for 100mm solid walls requiring heavy duty load support
Includes built-in insulation for improved thermal efficiency (INS version)
Perforated design provides excellent plaster key for secure finishes
Box lintels must have a minimum 150mm bearing each side, bedded on mortar; lintels sold individually

Details

The Keystone HDBOX/K-100 1350mm INS is a robust, heavy duty box lintel engineered for use in 100mm solid walls. Ideal for builders and contractors working on projects with demanding structural requirements, it offers reliable support for concrete floors and concentrated point loads. The 'INS' variant includes integrated insulation, enhancing thermal performance without compromising strength. Please note, lintels are sold individually and must be installed with proper bearing and bedding.

Application

This lintel is specifically designed to carry heavy loads over openings in solid masonry walls 100mm thick. It’s well suited for supporting concrete floors, brickwork, and other heavy structural elements above windows and doors on site. The perforated box design ensures a strong key for plaster, making it a practical choice for finishing trades. It is essential to provide a minimum 150mm bearing at each end, bedded in mortar, and to prop the lintel during construction to maintain safety and speed up the build process.

Dimension

Length: 1350mm (4ft 5in)
Height: 150mm (6in)
Width: 95mm (3.7in)

Material

Galvanised steel with integrated insulation for thermal efficiency

Type

Heavy duty box lintel for solid masonry walls

More Information

More Information
Type	Box Lintels
Loading	Heavy Duty
Length	1350mm
Weight	13.880000
Manufacturer	Keystone
Sap Id	KHBX1135INS

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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