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Keystone BOX/K-150 Solid Wall Box Lintel 2850mm

SKU

KBX15285

£166.31 £138.59

Product Information

Keystone BOX/K-150 solid wall lintel, length 2850mm (9ft 4in), designed for wall thicknesses between 100-215mm (4-8½ inches).
Standard duty lintel suitable for supporting internal openings in solid masonry walls.
Features perforations along its length to provide a secure plaster key for finishing.
Requires minimum 150mm (6 inches) bearing at each end, bedded on mortar; optional insulation available.
Lintel must be propped during installation to ensure safe and efficient construction progress.

Details

The Keystone BOX/K-150 solid wall lintel at 2850mm is designed for builders and contractors working with solid masonry walls between 100mm and 215mm thick. Ideal for supporting internal openings, this lintel delivers dependable standard load capacity and includes perforations for enhanced plaster adhesion. Please note that lintels must be installed with adequate bearing and propping for safe use.

Application

This box lintel is commonly used to span internal openings such as doorways and windows in solid walls, providing structural support for the masonry above. Its design allows it to carry the full wet masonry load immediately upon installation, making it a reliable choice for new builds and refurbishment projects where secure load distribution is critical. Propping during construction is recommended to maintain stability and speed up the build process.

Dimension

Length: 2850mm (9ft 4in)
Height: 215mm (8½ inches)
Width: 145mm (5¾ inches)
Suitable for wall thickness: 100-215mm (4-8½ inches)
Minimum bearing length: 150mm (6 inches) each end

Material

Steel with perforated surface for plaster keying

Type

Box lintel for solid masonry walls
Standard duty load-bearing lintel

All lintels must be bedded on mortar with appropriate bearing, and propped to ensure safety and performance on site. For further technical support or project-specific advice, please contact our sales team.

More Information

More Information
Type	Box Lintels
Loading	Standard Duty
Length	2850mm
Weight	48.440000
Manufacturer	Keystone
Sap Id	KBX15285

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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