Search the Site
New Products

315mm dia Large Format Circular Diffuser - Silver/Grey

315mm dia Large Format Circular Diffuser - Silver/Grey

150 dia Plastic Supply/Exhaust Valves

150 dia Plastic Supply/Exhaust Valves

2mm Wire Rope 150m Reel

2mm Wire Rope 150m Reel

Wires with Carabina 2mm x 2m - Pack of 10

Wires with Carabina 2mm x 2m - Pack of 10

Circular Roof Cravat

Circular Roof Cravat

Ductwrap - Isover ClimCover Alu2 25mm 18m Roll

 Ductwrap - Isover  ClimCover Alu2 25mm 18m Roll

Open for business: we remain open and will continue to dispatch and accept orders; although in light of the new guidance we will be operating with a reduced number of staff.

Please note that we are experiencing some problems with images not showing on the website. We hope to have this rectified shortly.

Louvres

Ventilation Ducting  | Ventilation Grilles & Louvres | Grilles & Louvres Stock |  Louvres



Aluminium weather louvres

Satin-anodised aluminium weather louvres. Light gauge bird mesh to rear. Approx. 40mm blade pitch. These louvres are generally held in stock.

Please note that sizes refer to duct size i.e. the size of the duct or aperture they are designed to fit. For overall size (including flange) add 45mm.

For information on sizing weather louvres correctly please see:

Using louvres in ventilation ductwork..

150x150 Aluminium Weather Louvre
BWL150



8.06 (Excluding VAT at 20%)





Quantity:



People who bought this item also bought:
1. Spiral Tube Duct 1.5m Lengths (Ref: SRH)
2. 200x200 Aluminium Weather Louvre (Ref: BWL200)
3. Suspension Rings (Ref: SUR)
150x150 Aluminium Weather Louvre

200x200 Aluminium Weather Louvre
BWL200



9.89 (Excluding VAT at 20%)





Quantity:



People who bought this item also bought:
1. Spiral Tube - 3m Lengths (Ref: SR)
2. 100mm Deep Top Entry Grille Box (Ref: SGB100)
3. 150x150 Aluminium Weather Louvre (Ref: BWL150)
200x200 Aluminium Weather Louvre

250x250 Aluminium Weather Louvre
BWL250



12.09 (Excluding VAT at 20%)





Quantity:



People who bought this item also bought:
1. 200mm Deep Top Entry Grille Box (Ref: SGB200)
2. Suspension Rings (Ref: SUR)
3. Spiral Tube - 3m Lengths (Ref: SR)
250x250 Aluminium Weather Louvre

300x300 Aluminium Weather Louvre
BWL300



14.63 (Excluding VAT at 20%)





Quantity:



People who bought this item also bought:
1. Air Exhaust Valves (Ref: BKU)
2. Spiral Tube - 3m Lengths (Ref: SR)
3. 300mm Deep Top Entry Grille Box (Ref: SGB300)
300x300 Aluminium Weather Louvre

350x350 Aluminium Weather Louvre
BWL350



17.48 (Excluding VAT at 20%)





Quantity:



People who bought this item also bought:
1. Male Couplers (Ref: NP)
2. Spiral Tube - 3m Lengths (Ref: SR)
3. Suspension Rings (Ref: SUR)
350x350 Aluminium Weather Louvre

400x400 Aluminium Weather Louvre
BWL400



20.71 (Excluding VAT at 20%)





Quantity:



People who bought this item also bought:
1. 450x450 Aluminium Weather Louvre (Ref: BWL450)
2. 100mm Deep Top Entry Grille Box (Ref: SGB100)
3. Female Couplers (Ref: MF)
400x400 Aluminium Weather Louvre

450x450 Aluminium Weather Louvre
BWL450



24.23 (Excluding VAT at 20%)





Quantity:



People who bought this item also bought:
1. Flanged Spigots (Ref: IL)
2. Spiral Tube - 3m Lengths (Ref: SR)
3. 90° Bends (Ref: B90)
450x450 Aluminium Weather Louvre

500x500 Aluminium Weather Louvre
BWL500



28.11 (Excluding VAT at 20%)





Quantity:



People who bought this item also bought:
1. Spiral Tube - 3m Lengths (Ref: SR)
2. 100mm Deep Top Entry Grille Box (Ref: SGB100)
3. 200x200 Aluminium Weather Louvre (Ref: BWL200)
500x500 Aluminium Weather Louvre

550x550 Aluminium Weather Louvre
BWL550



32.71 (Excluding VAT at 20%)





Quantity:



People who bought this item also bought:
1. Cap Ends (Ref: EF)
2. Hose Clips (Ref: HC)
3. 150 dia Stainless Steel Supply/Exhaust Valves (Ref: KCN150)
550x550 Aluminium Weather Louvre

600x600 Aluminium Weather Louvre
BWL600



36.44 (Excluding VAT at 20%)





Quantity:



People who bought this item also bought:
1. 45° Bends (Ref: B45)
2. 400x400mm Double Deflection Grille (Ref: BDDG400-400)
3. 400x400 Aluminium Weather Louvre (Ref: BWL400)
600x600 Aluminium Weather Louvre

Your Basket

Items:
Total:

View BasketCheckout
Best Sellers

100 dia 90° Pressed Bends with Seals

100 dia 90 Pressed Bends with Seals

5.64

600mm 30x30 Cantilever Support

600mm 30x30 Cantilever Support

13.25

PU S1 Clear Extraction Hose 10m Length

PU S1 Clear Extraction Hose 10m Length

M8 Back Plate Threaded Rod Hanger

M8 Back Plate Threaded Rod Hanger

0.90

100mm dia Chrome Exhaust Valve

100mm dia Chrome Exhaust Valve

7.96