Manthorpe Alpha Vent for Slates 10,000mm2 - 600mm x 300mm

Product Code:
GRSV30-25
Est. Delivery: 2-3 Working Days
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£9.47 Incl. VAT
£7.89 Ex. VAT
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  • 10+
    £7.69 Incl. VAT
    £6.41 Ex. VAT

Product Description

The GRSV30/25 Slate Vent is manufactured as standard for 600 x 300 slates but can be easily trimmed to fit 500 x 250 slates using the pre marked cut lines.

It can be used for both high and low level roof ventilation requirements. Alternatively it can also be used as an outlet terminal for extraction fans and soil pipe ventilation when used in conjunction with a Manthorpe GRPA Flexible Pipe.

  • Allows 10000mm2 airflow per vent
  • UV Stablised Polypropylene
  • The hood of the GRSV30/25 features a 4mm fly screen to prevent blockage from falling debris and entry of large insects into the roof space

The GRSV30/25 has been extensively independently wind tunnel tested to the following standards:-

  • BS 6367 Deluge test 225mm/hour rainfall
  • Driving rain test down to a roof pitch of 15 degrees with an up roof wind speed of 13m/s
  • Rainfall rate of 200mm / hour to generate a fine penetrative spray

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Manthorpe Alpha Vent for Slates 10,000mm2 - 600mm x 300mm








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