Order Helpline 01752 692 760 | Open today 8:00am-5:00pm

Manthorpe Random Slate Vent 600mm x 450mm (Box of 5) 10000mm2 - Black

Product Code:
Est. Delivery: 1-2 Working Days
Shipping costs displayed in basket.
We can let you know when this product is back in stock.

This product is proving to be very popular and has unfortunately sold out.

Enter your email below and we'll notify you as soon as this product is back in stock:

Subject to stock availability, if products on a 24 hours service are ordered alongside products NOT on a 24 hours service, this may delay your whole order.

View Transport Policy

All delivery charges are included in the final shopping basket and are dependent on the products Scottish Highlands & the Islands where additional shipping charges will apply.

Please note that not all products will incur an additional delivery charge to the Scottish Highlands & the Islands – this is based on the costs from the manufacturer, distributor or courier providing shipping on our behalf. If your delivery address is in the Scottish Highlands and Islands, a member of our helpline team will contact you prior to processing your order should an additional delivery charge apply.

While we make every effort to ensure orders are delivered by the date required, we cannot guarantee availability from the manufacturer or the manufacturer's delivery schedules.

Any variation to web delivery date given will be advised to you by email or telephone. If we are unable to make delivery because access is not possible, we reserve the right to make a failed delivery charge.

£69.64 Incl. VAT
Oops! Please select from the options


Manthorpe designed the GRSV45 Slate Vent to be used with random slates and has a base size of 600mm x 450mm. Providing up to 10,000mm2 airflow per vent, you can use this slate vent for high-level and low-level roof ventilation. It can also be used as an outlet for extraction fans/soil pipe ventilation when used with a Manthorpe GRPA Flexible Pipe.

The hood of the GRSV45 vent features a 4mm fly screen to prevent blockages caused by falling debris. It will also prevent the entry of large insects into your roof space.

Features & Benefits: Manthorpe Random Slate Vent 600mm x 450mm (Box of 5) 10000mm2 - Black

  • Easy to install and Use
  • 4mm fly screen to prevent debris and large insects
  • UV Stabilised Polypropylene

Standards & Certification

  • British Standard: BS: 6367 Deluge test 225mm/hour rainfall
  • Driving rain tested down to a roof pitch of 15 degrees with an up roof wind speed of 13m/s
  • Rainfall rate of 200mm/hour


Length 600mm Width 450mm


Colour Black Material Polypropylene

Questions & Answers

There are currently no questions for this product.

Have a question about this product?


There are currently no reviews for this product

Products We Recommend


Product Enquiry Form

Manthorpe Random Slate Vent 600mm x 450mm (Box of 5) 10000mm2 - Black

*Required Field

Would you like to empty your basket?

Yes No


It seems you are running an older version of Internet Explorer. Our site does not support these old browsers as they do not house the technology that allows our site to be safe and secure.

If you wish to access our site please either upgrade your browser or download an alternative.