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Harcon Slate Cowl Vent 600mm x 300mm with Felt Sleeve and Pipe Adaptor - 20000mm2

£17.71 Inc. VAT

Harcon Slate Cowl Vent 600mm x 300mm with Felt Sleeve and Pipe Adaptor - 20000mm2

Delivery: 10 Working Days more details
Delivery Tier: Bulky more details
In stock
Product Information

Corovent Slate Cowl Vents are vents with small and large cowl options available riven to match natural slate or plain, matching man made tiles. 


  • Natural slate finish
  • Low profile vents
  • Blocks wind driven rain
  • Reduces felt tearing
  • Pipe provides 110mm or 125mm diameter connection to a soil pipe or extractor fan
  • 9.5 Pascal at 30 litres/second air flow resistance

Installation: Cowl or Roofline Vents for Slate Roof

  1. Complete roofing to one course below the position for the slate vent.
  2. Hold vent in position as centrally as possible between the rafters and mark where the vent spigot touches the underlay. For 500mm x 250mm slates only - cut and remove section of batten.
  3. Cut underlay in a cross, fold up and back, nail over battens.
  4. Cut slates for next course below vent. 
  5. Fit slate vent and nail to batten.
  6. Cut slates for next course (not for 600mm x 300mm roofline vents).
More Information
More Information
Product Brand Harcon
Delivery Information

Delivery Options and FAQs


What will my delivery cost?

We offer delivery tiers based on the size of your order on most products:

Delivery Tier Charge
Free Delivery £0
Small £7.99
Medium £12
Large £20
Bulky £30
Pallet £40
LPD Delivery Calculated at basket

Insulation Charges ONLY

Spend Charge
£240 - £350 £60
£350 - £750 £40
£750+ FREE

Timber Charges ONLY

Spend Charge
£240 - £499 £60
£500+ FREE

A basket containing items from two or more delivery tiers will be charged at the highest tier.

Where do you deliver?
We deliver within mainland England, Scotland and Wales. We do not deliver to Northern Ireland.
How will my bulky or pallet order be delivered?

For bulky deliveries we will call or text to arrange a suitable delivery date. Please ensure you provide an appropriate mobile number at the checkout.

All bulky and pallet orders will be delivered by large lorry to the kerbside. Please ensure there is suitable access to the delivery address before ordering.

Please note a signature is required for all bulky and pallet deliveries.


Should you have any questions regarding your delivery you can contact us via live chat or email by visiting our Contact Us page.

For more information please refer to our full Terms & Conditions.



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