Alpha Air Ventilation Supplies
MM

INCH

Linear Bar Grille (Removable Core) – 15 Degree Blade Profile – Custom Size

Linear bar grille with 15-degree blade profile for supply or return air distribution. Custom manufactured to your exact size requirements. Extruded aluminium construction with natural anodised finish. Ideal for modern commercial and residential interiors.

Made to order. Please allow 7-10 working days for delivery.

Order before 3pm today for delivery by Friday 25th September

Enter Your Required Size

Enter your exact dimensions below. Your item will be made to this size.

Frame
Standard FramePlaster-In Frame
Core
Fixed CoreRemovable Core

Powder Coating Colour (Optional)

This product comes powder coated in RAL 9010 (Pure white) as standard.
Enter a different RAL code for an alternative colour, or press Clear for a bare-metal Mill Finish (unpainted).
Note: £60 per unique colour across your order (RAL 9010 is free).

This product is powder coated to order, which makes it made-to-order and non-returnable per our Returns Policy. This does not affect your rights if an item is faulty or not as described.

Description

Linear Bar Grille – 15 Degree Blade Profile

Our Linear Bar Grilles offer a sleek, contemporary appearance for supply or return air applications. The 15-degree blade profile provides a subtle angled deflection, directing airflow slightly away from the grille face.

Features:

  • Modern Design: Clean, linear appearance suits contemporary interiors.
  • Angled Deflection: 15-degree blades provide gentle airflow direction.
  • Durable Construction: High-quality extruded aluminium with natural anodised finish.
  • Custom Sizes: Enter your exact width and height below for an instant price.

Please note that the size entered is the neck size of the grille.

Frequently Asked Questions

What do the blade profile angles mean?

The angle is the fixed pitch of the bars across the grille face. The 0 degree profile gives a clean, flush horizontal look with bars parallel to the face — often chosen for return air or a purely architectural finish. The 15 and 45 degree profiles angle the bars to deflect supply air away from the face, with 45 degrees giving the strongest deflection.

What are linear bar grilles made from?

High-quality extruded aluminium, giving crisp, straight bars and a rigid frame. They suit wall, floor or ceiling mounting and give a sleek, contemporary linear appearance for supply or return air. As standard they are supplied powder coated in RAL 9010 (white); other RAL colours or an unpainted mill finish are available — set your preference on the product page.

How do I order a custom size?

Enter your exact width and height on the product page for an instant price. The size entered is the neck size — the duct or opening dimension — not the overall face size. These grilles are made to order, so allow the lead time shown on the page. If your size falls outside the online range, contact us for a quote.

What is the plaster-in frame version?

A variant designed to be plastered flush into the wall or ceiling, giving a trimless, frameless appearance with only the bars visible. The standard frame version sits against the surface with a visible border. Use the frame switcher on the product page to swap between the two at the same blade angle.

Can linear bar grilles be used on the floor?

Yes — the extruded aluminium construction suits wall, floor or ceiling mounting. For floor use, consider the 0 degree profile for a flush walkable face, and make sure the frame is properly supported around the opening. If in doubt about a specific application, contact us before ordering.

Delivery Information

Made to Order

This item is made to order. Please allow 7-10 working days for delivery.

Delivery Options

ServiceEstimated DeliveryCost
Standard Delivery (UK mainland)Next working day from dispatch£15.95 +VAT (£7.95 for small items)
Free DeliveryNext working day from dispatchFree on orders over £400 ex VAT
Click & CollectCollect from our Leicester branchFree
Scottish Highlands & Islands2-3 working days from dispatch£36.95 +VAT

Delivery Area

We deliver to all UK mainland addresses. Scottish Highlands and Islands deliveries may take a little longer. We are not currently delivering to Northern Ireland — Click & Collect remains available.

Questions about delivery? Call us on 0116 246 0031 or email sales@alphaair.co.uk

Returns Policy

Made to Order

This item is made to order and therefore not eligible for a return under our returns policy, unless faulty (see below).

Faulty Items

If you receive a faulty or damaged item, please let us know as soon as possible — ideally within 48 hours of delivery, so we can claim against the courier on your behalf. We will arrange a free collection and send a replacement or issue a full refund. This does not affect your statutory rights.

Questions? Contact us at sales@alphaair.co.uk

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