A range of injection moulded polypropylene slate vents for roof ventilation and extraction and soil pipe ventilation on slate roof applications.
Features and benefits:
- Manufactured from injection moulded polypropylene and designed for roof ventilation in both new build and refurbishment applications.
- The products can also be used as outlet terminals for extraction fans and soil pipe ventilation when used in conjunction with Manthorpe GRPA Flexible pipes.
Product options:
- GILSV25-20 Small Format In-Line Slate Vent:
- Discreet, unobtrusive design.
- Suitable down to 22.5° roof pitch (30° with 400 x 200 mm slates).
- For use with 500 x 250 mm format slates.
- Can be used with smaller 400 x 200 mm slates.
- Wind tunnel tested at the BRE.
- Built in spigot, no need for an adaptor.
- Protective edge skirt improves weatherproofing.
- 6000 mm²/M of free vent area per unit.
- GILSV30-25 In-Line Slate Vent:
- Discreet, unobtrusive design.
- Suitable down to 22.5° roof pitch.
- For use with 600 x 300 mm format slates.
- Can be used with smaller 500 x 250 mm slates.
- Wind tunnel tested at the BRE.
- Built in spigot, no need for an adaptor.
- Protective edge skirt improves weatherproofing.
- 8800 mm²/m of free vent area per unit.
- GRSV30/25R Refurbishment Slate Vent:
- Designed for retro fitting without the requirement to cut slate battens for use with 600 x 300 mm slates, but can be trimmed to fit 500 x 250 mm slates using pre-marked cutting lines.
- Suitable for high and low level ventilation applications to provide 10 000 mm²/m free airflow.
- Available finished in black with a light texture surface.
- The hood is fitted with a 4 mm fly screen.
- The GVSV30/25R has been extensively wind tunnel tested to BS 6367 Deluge test 225 mm/hr rainfall and driving rain test down to a roof pitch of 15° with an up roof wind speed of 13 m/s and a rainfall rate of 200 mm/hr to generate a fine, penetrative spray.
- GRSV30/25 Slate Vent:
- Designed for use with as standard with 600 x 300 mm slates, but can be trimmed to fit 500 x 250 mm slates using pre-marked cutting lines.
- Suitable for high and low level ventilation applications and designed to provide 10 000 mm²/m free airflow.
- Available finished in black with a light texture surface.
- The hood is fitted with a 4 mm fly screen.
- It can also be used as an outlet terminal for extraction fans and soil pipe ventilation when used in conjunction with a GRPA Flexible Pipe.
- The GRSV30/25 has been extensively wind tunnel tested to BS 6367 Deluge test 225 mm/hr rainfall and driving rain test down to a roof pitch of 15° with an up roof wind speed of 13 m/s and a rainfall rate of 200 mm/hr to generate a fine, penetrative spray.
- GRSV45 Slate Vent:
- Designed for use with random slates with a base size of 600 x 450 mm for high and low level ventilation applications.
- Units are designed to provide 10 000 mm²/m free airflow and are available finished in black with a light texture surface.
- The hood is fitted with a 4 mm fly screen.
- It can be used as an outlet terminal for extraction fans and soil pipe ventilation when used in conjunction with a GRPA Flexible Pipe.
- The GRSV45 has been extensively wind tunnel tested to BS 6367 Deluge test 225 mm/hr rainfall and driving rain test down to a roof pitch of 15° with an up roof wind speed of 13 m/s and a rainfall rate of 200 mm/hr to generate a fine, penetrative spray.
- GRSV45R Refurbishment Slate Vent:
- Designed for retro-fitting without the requirement to cut slate battens.
- Manufactured as standard for 600 x 450 mm slates, but can be trimmed to fit 500 x 250 mm slates using pre-marked cutting lines.
- Suitable for high and low level ventilation applications and designed to provide 10 000 mm²/m free airflow.
- Available finished in black with a light texture surface.
- The hood is fitted with a 4 mm fly screen.
Flexible pipe connector:
- Type GRPA:
- A 455 mm long polyethylene flexible pipe designed for coupling directly to the slate vent oval spigot GRSV30/25 or GRSV45.
- Can be trimmed to suit other terminal types with a 110 mm diameter connection.
- The flexible pipe can be used to couple a soil pipe or mechanical extraction equipment and is supplied with metal screw clamp.
- Allows 8000 mm² airflow.
- Type GRPA/1:
- A 692 mm long polyethylene flexible pipe designed for coupling 4" ventilation products to 4" soil pipes or mechanical extraction equipment and is supplied with metal screw clamp.
- Allows 8000 mm² airflow.
- Type GRPA/2:
- A 800 mm long polyethylene flexible pipe version of the Type GRPA above.
- Allows 8000 mm² airflow.
- Type GRPA/3:
- A vacuum formed ABS flexible pipe reduction adaptor, designed for reducing 4" ducting and flexible pipes to make connection to 3" ventilation products.
- It can be used in conjunction with the GRPA Flexible Pipe.