RTV-HS | Hooded Slate Vent

Hooded Slate Vent to enable ventilation directly into a roof space or connect to a ducted ventilation system


  • On roofs with Natural or Synthetic Slates
  • Enables ventilation directly into a roof space
  • Can also be connected to a ducted ventilation system inside the building

Available in single, box and pallet quantities.


Add this product to your specification on NBS and SpecifiedBy

Product Information

Product Codes

Product DescriptionColourWeightSingle CodeMulti CodeMulti Quantity
Hooded Slate VentBlack1.1kgRTV-HSRTVMULTI-HS4

NB. Available in single, multi or pallet quantities. For multi quantities, 4 slate vents are packaged in one large box.

  • Suitable for roofs with a minimum pitch of 22.5°
  • Max free ventilation area of 22,000mm²
  • Sized to replace one slate to provide a continuous visual appearance along the roof when viewed at all levels
  • The flat base of the vent means there is no need to cut roofing battens unless using the vent with a ducted system
  • Shaped to manage and channel rainwater back down onto the roof tiles and away from the vent opening
  • Can be connected to ventilation duct or soil vent pipe of various sizes with the optional RTV-ADHS duct adapter
  • 4mm spaced external grille to prevent rainwater ingress and keep out large insects, vermin and debris
  • Lightweight and easy to handle
  • BS EN 490:2011 Concrete roofing tiles and fittings for roof covering and wall cladding – product specifications (+A1:2017)
  • BS 5250: 2021 Management of moisture in buildings – Code of practice
  • BS 5534:2014 Slating and tiling for pitched roofs and vertical cladding – code of practice (+A2:2018)
  • Manufactured to BS EN ISO 9001:2015 and BS EN ISO 14001:2015
  • Complies with all relevant sections of the Building Regulations 2010
  • Satisfies all relevant NHBC requirements

Natural or Synthetic slates in sizes 600mm x 300mm or 500mm x 250mm from all major manufacturers.

  • Top – UV stabilised coloured injection moulded Polypropylene
  • Base – Black injection moulded Polypropylene
  • Available in Black
  • The Hooded Slate Adapter (RTV-ADHS) can be used to connect the vent assembly to 110/125/150/170mm ductwork
  • The 110mm Flexi-Pipe (RTV-KIT1) can be used to aid connection to ventilation duct or soil vent pipe

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