
Millboard® Envello Square Corner Trim 3.05m
Millboard® Envello square corner trims provide the perfect finishing touch to your Board & Batten+ cladding project. Designed for use on external and internal corners, as well as around doors and windows, these trims create a clean, professional appearance. Available in matching colours, they ensure a consistent and seamless look throughout your installation.
Can’t find the Millboard product you’re looking for? We don’t hold all Millboard lines in stock online, but our friendly team is here to help. Give us a call on 01837 659901 or chat with us live - we’ll do our best to source what you need.
About Millboard® Envello Square Corner Trim
Fixed with the perforated closure trim and 20mm or 30mm fixings, Millboard® square corner trims are for use with the Board & Batten+ cladding board. The purpose of this product is to finish off any external or internal corners of your building and any windows and doors, the square corner trim will cover any exposed ends of your cladding boards.
Finished in the same authentic woodgrain effect as the Millboard® Board & Batten+ cladding boards, these square trims create a flawless design for your building. The intended use of this cladding and trims range is for low-rise domestic and commercial building projects.
Millboard® Envello square corner trims can be chosen in the coppered oak, antique oak, smoked oak, golden oak, limed oak, jarrah, anthracite, and burnt cedar.
Constructed from a flexible polymer resin, these corner trims are durable and resistant to fading and weathering.
Trim specifications
Length: 3.05m
Width: 50mm
Thickness: 50mm
Weight: 9.1kg
Colour: Antique oak, anthracite, burnt cedar, coppered oak, golden oak, jarrah, limed oak, and smoked oak
For guidance on how to install Millboard® square corner trims, head to the Envello Board & Batten+ cladding installation guide. Here you can find information on tools, storage, aftercare and more.
For matching cladding boards see our Millboard® Envello Board & Batten+ cladding board 3.6m
Or browse our cladding department for Millboard® cladding and more.
Order A Sample Pack!

Type | When? | Cost? | ||
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National Delivery | Orders under £1,000 | Est. 5 working days* Roofing items 7-10 working days* |
£192.00 |
Orders over £1,000 | Est. 5 working days* Roofing items 7-10 working days* |
£96.00 | ||
Orders over £1,500 | Est. 5 working days* Roofing items 7-10 working days* |
FREE | ||
Scotland Delivery | Est. 15 working days* Roofing items 7-10 working days* |
£360.00 | ||
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Millboard Delivery | Orders under £2,000 | Est. 5 working days* | £192.00 |
Orders over £2,000 | Est. 5 working days* | FREE | ||
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Parcelforce Standard | (Small Parcels) | 3-5 working days* | £8.50 |
Parcelforce Standard | (Large Parcels) | 3-5 working days* | £30.00 | |
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Sample Packs via Courier | 5 working days* | FREE |
*Please allow for public holidays and weekends (non-delivery days)
Some of our products are available for collection from our warehouses in Okehampton (Devon) and Andover (Hampshire) - This option will show at checkout, when available.
Standard collection lead time is 3-5 working days, this may vary depending on the product. If you would like to collect your order after 2 hours, please choose this option at checkout.
Please note that collections are only available from Monday-Friday, 08:00 - 17:00 & Saturday, 08:00 - 12:30 (Note: this IS the cut off time for collections, despite our closing time of 13:00)
Please Note The Following Prior To Collection:
Vehicles we can and cannot load
Cladco Profiles will only load flatbed lorries and flatbed trailers for insurance purposes. If the appropriate vehicle is not available, two people would be required for a collection.
Cladco Profiles will NOT load any vehicles with roof racks, horse boxes, cattle lorries or fixed-sided trailers. Cladco Profiles has the right to refuse loading a vehicle for any reason.
Before arranging a collection, please read our Customer Collection Notice below.

Our Okehampton HQ and Warehouses (Devon)

Our Andover Warehouses (Hampshire)








Customer Collection Notice
For those customers wishing to collect materials, we ask you report to the office first in order to be seen by a member of the sales team. Your goods will then be picked and brought to your vehicle.
Please note that during busy periods you may experience a wait while our yard staff serve other customers or are loading/unloading other vehicles.
We respectfully draw your attention to the following points:
- It is the ultimately the responsibility of the customer to load his/her vehicle and to ensure the goods are safely/ securely strapped down.
- Our staff will be happy to assist you load your goods onto appropriate vehicles by way of fork lift trucks. Our staff will not handball any goods into enclose vehicles. The loading of the vehicle is carried out entirely at the customers own risk. We will not be held liable for any damage that may occur to your vehicle or goods collected from our premises during the transport of said goods.
- It is the responsibility of the customer to ensure both their vehicle and the goods are safe when they leave our premises.
- We can advise the approximate weight of materials prior to you arriving so that you can be sure your vehicle is capable of carrying the intended load. Please ensure that you bring appropriate ropes, straps or other securing materials as we are unable to provide you with any upon arrival.
- We strongly recommend you bring suitable protection materials to prevent your ropes/straps etc. be damaged by these edges. We recommend that you use good quality protective gloves when handling materials.