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Keystone BOX/K-75 Solid Wall Box Lintel 750mm

SKU

KBX75075

£16.64 £13.87

Product Information

Keystone BOX/K-75 solid wall box lintel, 750mm (29½") length for standard internal openings
Designed for solid walls 100-215mm thick, supporting standard duty loads
Perforated along its length to provide a secure plaster key for finishing
Requires a minimum 150mm bearing each side on mortar; can be insulated if needed
Lintel must be propped during installation to ensure structural safety

Details

The Keystone BOX/K-75 is a 750mm box lintel specifically engineered for solid walls between 100mm and 215mm thick. It’s tailored for builders and site managers looking for a dependable, standard-duty lintel to support internal openings. This product features key perforations along its length to ensure excellent plaster adhesion. Please note, lintels must be bedded on mortar with at least 150mm end bearing on each side and should be propped during construction for safe load transfer.

Application

This box lintel is ideal for use in solid masonry walls, providing strong, reliable support over internal doorways and openings. Its perforated design allows plaster to bond firmly, creating a neat, durable finish. The lintel is suited to standard load-bearing situations commonly encountered on site, making it a practical choice for contractors focusing on structural integrity and build quality.

Dimension

Length: 750mm (29½")
Height: 75mm (3")
Width: 95mm (3¾")
Suitable for wall thicknesses: 100-215mm (4"–8½")

Material

Manufactured from high-quality steel with a durable finish suitable for masonry integration

Type

Box lintel for solid wall applications

Important: Keystone BOX lintels must have a minimum end bearing of 150mm on each side, bedded on mortar. Lintels should be propped to speed construction safely. Please contact our sales team for any technical advice or guidance on your project requirements.

More Information

More Information
Type	Box Lintels
Loading	Standard Duty
Length	750mm
Weight	3.000000
Manufacturer	Keystone
Sap Id	KBX75075

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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