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Keystone BOX/K-100 Solid Wall Box Lintel 900mm INS

SKU

KBX109INS

£30.65 £25.54

Product Information

Keystone BOX/K-100 Solid Wall Box Lintel, 900mm (35.4in) length for 100mm solid walls.
Includes insulation to enhance thermal efficiency on internal openings.
Designed for standard load-bearing applications, supporting wet masonry loads immediately.
Requires minimum 150mm bearing each side, bedded on mortar for secure installation.
Lintel propping recommended to speed up construction progress.

Details

The Keystone BOX/K-100 Solid Wall Box Lintel 900mm INS is designed specifically for use in 100mm wide solid walls where standard load support is needed. Its integrated insulation improves thermal performance, making it an excellent choice for internal openings on projects demanding both reliability and energy efficiency. Please note, lintels must be installed with appropriate bearing and bedding as specified.

Application

This box lintel is typically installed above doorways or window openings within solid masonry walls of 100mm thickness. It is engineered to carry the full load of wet masonry immediately after installation, ensuring structural stability during construction. Contractors and site managers will appreciate its reliability for standard load conditions in residential and commercial builds. Propping during installation is advised to maintain alignment and speed up build time.

Dimension

Length: 900mm (35.4in)
Height: 75mm
Width: 95mm
Suitable for wall thicknesses 100-215mm

Material

Steel lintel with integrated insulation for thermal enhancement

Type

Box lintel for solid walls
Standard duty load-bearing lintel

All lintels must have a minimum end bearing of 150mm on each side and be bedded on mortar for correct load transfer. Propping is recommended during installation to ensure safety and speed. For any technical queries, please contact our sales team for detailed advice.

More Information

More Information
Type	Box Lintels
Loading	Standard Duty
Length	900mm
Weight	4.490000
Manufacturer	Keystone
Sap Id	KBX109INS

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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