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Keystone BOX/K-150 Solid Wall Box Lintel 1650mm INS

SKU

KBX15165INS

£64.78 £53.98

Product Information

Keystone BOX/K-150 Solid Wall Box Lintel, 1650mm (5ft 5in) length
Designed for 150mm (6in) wide solid walls, ideal for internal openings
Includes built-in insulation for improved thermal efficiency (INS version)
Perforated design provides excellent plaster key for finishing
Lintel requires minimum 150mm bearing on each side; bedded on mortar

Details

The Keystone BOX/K-150 Solid Wall Box Lintel 1650mm INS is a specialist structural lintel designed for builders and site managers working on solid wall constructions. This insulated version enhances thermal performance while reliably supporting standard loads over internal openings in 150mm thick walls. Please note, lintels must be installed with the correct bearing and bedding to ensure performance.

Application

This box lintel is commonly used to span internal doorways and openings within solid masonry walls, providing dependable structural support during and after construction. The integrated insulation improves energy efficiency on site, helping meet thermal regulations without compromising load capacity. It is especially suited for new builds and refurbishment projects where thermal bridging reduction is a priority. Proper propping during installation is recommended to maintain construction progress and safety.

Dimension

Length: 1650mm (5ft 5in)
Height: 150mm (6in)
Width: 145mm (5.7in)
Designed for wall thickness between 100-215mm

Material

Galvanised steel with integrated insulation
Perforated surface for plaster adhesion

Type

Box lintel for solid walls
Standard duty load bearing lintel

All lintels require a minimum bearing of 150mm on each side, bedded on mortar for secure fixing. Keystone BOX lintels are manufactured in 150mm increments to suit project requirements. For further technical advice or installation guidance, please contact our sales team.

More Information

More Information
Type	Box Lintels
Loading	Standard Duty
Length	1650mm
Weight	13.260000
Manufacturer	Keystone
Sap Id	KBX15165INS

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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