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Keystone BOX/K-200 Solid Wall Box Lintel 3750mm

SKU

KBX2375

£307.98 £256.65

Product Information

Keystone BOX/K-200 solid wall lintel, 3750mm (12ft 3in) length for reliable structural support.
Designed for solid walls 100-215mm thick, perfect for internal openings in masonry construction.
Perforated design provides excellent plaster key for superior finish and adhesion.
Supports full wet masonry load immediately after installation, optimising build times.
Must have 150mm minimum end bearing on each side, bedded in mortar; lintels should be propped during construction for safety and accuracy.

Details

The Keystone BOX/K-200 is a robust solid wall box lintel, tailored for builders and contractors working with standard duty internal wall openings. Its 3750mm length makes it suitable for wider spans, providing dependable support for solid masonry walls between 100mm and 215mm thick. Please note, the lintel requires a minimum 150mm bearing on each side and must be bedded in mortar for secure installation.

Application

This lintel is commonly used to support internal openings such as doorways or windows in solid masonry walls. Its perforated edges act as a plaster key, improving the adhesion of plaster finish and ensuring a clean, professional look. Designed to carry the full weight of wet masonry immediately after installation, it helps maintain structural integrity and speeds up project timelines. Propping during installation is recommended to ensure accurate placement and safety on site.

Dimension

Length: 3750mm (12ft 3in)
Width: 200mm (7.9in)
Height: 215mm (8.5in)
Minimum end bearing: 150mm (5.9in) each side

Material

Steel

Type

Box Lintel
Standard Duty Load Bearing

All lintels are manufactured in 150mm increments to suit varying wall thicknesses. For precise technical advice or assistance with your project requirements, please contact our sales team.

More Information

More Information
Type	Box Lintels
Loading	Standard Duty
Length	3750mm
Weight	53.210000
Manufacturer	Keystone
Sap Id	KBX2375

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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