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BACKGROUND VENTILATION SOLUTIONS FOR DOMESTIC BUILDINGS

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CI/SfB (57) Uniclass L753 October 2015

BACKGROUND VENTILATION SOLUTIONS

FOR DOMESTIC BUILDINGS

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W

hen people talk about ventilation they think of the extract unit, taking the

air out of the building. A ventilation system is more than just extracting air,

it also relies on the replacement of the stale air with fresh, clean air.

Whether you’re using a Passive Stack system, a Mechanical Extract system or

even intermittent extract units, the building regulations call for a set amount of

background ventilation for each ventilation strategy.

To avoid condensation extraction of warm, moist air is not enough, it has to be in

conjunction with input of fresh air, yet this is often over looked for a number of

different reasons. The fresh air not only creates a fresh atmosphere, it also promotes

air movement to ensure that air is circulated around the property.

There are many cases where people have a sufficiently working extract system yet

still experience condensation within properties, and the main reason is because of

insufficient fresh air.

Passivent offer a range of background ventilators to enable fresh air to be input in to

a building to ensure a healthy atmosphere and reduce the potential for condensation

and mould.

Standard and acoustic window and wall vents

Passivent standard window and wall vents are designed to allow air to enter the

building to provide the stated levels of background ventilation to meet the

requirements of Building Regulations. Geometric free areas are shown for Scottish

Building Regulations.

Passivent acoustic window and wall vents not only provide the stated levels of

background ventilation, but also noise attenuation for buildings which may be

situated where external noise could pose a disturbance to the occupant.

Ventilation Geometric Acoustic performance Page

Equivalent area Free area

STANDARD WINDOW VENTS

Ultra Vent 2500 / 4000 / 5000mm2 2742 / 4465 / 5400mm2 - 3

Delta Vent and Grille 1537 / 3074mm2 2000 / 4000mm2 - 4

Energy Saver Humidity Sensivitive 3815mm2 4000mm2 - 4

ACOUSTIC WINDOW VENTS

Acoustic Energy Saver Humidity Sensitive 3815mm2 4000mm2 39dB 5

Acoustic Low Profile 1777 / 1600mm2 4400 / 4400mm2 40-42dB 5

STANDARD WALL VENTS

Fresh 80 2220mm2 4000mm2 - 6

Fresh 90 2630mm2 6000mm2 - 6

Fresh 100 3200mm2 6000mm2 - 6

Fresh TLF 2540mm2 5000mm2 - 7

Fresh 99H 3350mm2 6000mm2 - 7

ACOUSTIC WALL VENTS

Fresh 80dB 2220mm2 4000mm2 50dB 8

Fresh 90dB 2630mm2 6000mm2 45dB 8

Fresh 100dB 3200mm2 6000mm2 42dB 8

Fresh TLF-dB 2540mm2 5000mm2 46dB 9

Fresh 99HdB 3350mm2 6000mm2 45dB 9

PRODUCT RANGE AND OVERVIEW

Window vents

Window vents are incorporated through the head of the window frame and available with manual or automatic openings (humidity sensitive).

Wall vents

Wall vents are fitted through the wall and ducted to an outside grille. Available with various manual control mechanisms or automatic openings (humidity sensitive).

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Air permeability

Ultra Vent 5000 achieves 0.25m3/hr at

50Pa in the closed position when tested to BS EN 1026: 2000.

Water tightness

Ultra Vent 5000 achieves 1000Pa pressure with no leakage in the closed position when tested to BS EN 1027: 2000.

Performance and Dimensions Equivalent area

Product Equivalent Slot size required Dimensions (length x height x width)

area (height x width) Internal Vent External Canopy Grille

Ultra Vent 2500 2500mm2 1no x 13-17 x 165mm 235 x 25 x 10mm (TVUV25) 203 x 26.5 x 36mm (TVUG25)

Ultra Vent 4000 4000mm2 2no x 13-17 x 135mm 350 x 25 x 10mm (TVUV4) 373 x 26.5 x 36mm (TVUG5)

Ultra Vent 5000 5000mm2 2no x 13-17 x 162.5mm 405 x 25 x 10mm (TVUV5) 373 x 26.5 x 36mm (TVUG5)

Scottish Building Regulations: Geometric free area

Product Geometric Slot size required Dimensions (length x height x width)

free area (height x width) Internal Vent External Canopy Grille

Ultra Vent 2500 2742mm2 1no x 17 x 165mm 235 x 25 x 10mm 203 x 26.5 x 36mm

Ultra Vent 4000 4465mm2 2no x 17 x 135mm 350 x 25 x 10mm 373 x 26.5 x 36mm

Ultra Vent 5000 5400mm2 2no x 17 x 162.5mm 405 x 25 x 10mm 373 x 26.5 x 36mm

Internal Vent with two stage opening External

Canopy Grille

STANDARD WINDOW VENTS

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Ultra Vent and Grille

Through frame window ventilator available in three sizes comprises a controllable internal ventilator and matching external canopy grille. Controlled flow of fresh air via two stage opening. External canopy grille provides weather protection and insect ingress grille.

Features

3 sizes available providing 2500mm2,

4000mm2 and 5000mm2equivalent areas

and can be used to meet background ventilation requirements of Building Regulations throughout the UK and Ireland.

One of the smallest window ventilators on the market providing up to 5000mm2

equivalent area.

Slim profile of 10mm for the vent. Suitable for a range of slot sizes from

13mm to 17mm.

Incoming air is directed upwards to avoid draughts and discomfort.

Suitable for PVCu, aluminium and timber windows.

Meets worst case requirements of BS 6375-1 for resistance to water penetration.

Material

Internal vent:Polyester powder coated aluminium with polymer end caps.

External grille: Injection moulded polymer with integral fly screen and fixing holes.

Colour

Bright White RAL 9016 as standard with alternative colours available upon request.

10mm 36mm

25mm 26.5mm

Specification clause Provide background ventilation to meet Building Regulations by means of window ventilators giving a minimum of *2500/4000/5000mm2

of either *equivalent or *geometric free area of ventilation (Passivent Ultra Vent TVUV *25/4/5 and Passivent Ultra Grille TVUG *25/5). Ventilators to provide upward directional airflow and to meet worst case requirements of BS 6375: Part 1 for resistance to water penetration.

Ventilators available from Passivent Ltd, North Frith Oasts, Hadlow, Kent, TN11 9QU. Tel: 01732 850770, Fax: 01732 850949. Email:

projects@passivent.com. *delete as required

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Installed in window frame

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Energy Saver Humidity Sensitive

Automatic function dependent upon humidity levels in the room. Can be used to meet background ventilation requirements of Building Regs throughout the UK and Republic of Ireland. Minimises unnecessary ingress of cold air. No user input is required, and can help to reduce potential for condensation. Designed for use with Ultra Grille (TVUG5) external canopy grille (see page 3).

Features

Automatic, no user input.

Uses no electricity or mechanical power. Directs airflow upwards avoiding draughts

and discomfort.

Energy efficient, minimise heat loss.

Performance and Dimensions

Product Ventilation Slot size Length

Equivalent area (height x width)

TVES4 3815mm2 2no x 13 x 162.5mm 400mm

Material

Body: Injection moulded polystyrene Colour: white, brown or black as standard Other RAL colours to order.

Contact us for pricing.

Technical

Airflow at 20Pa: minimum 7m3/hr

(closed to trickle), max 40m3/hr.

Ventilation levels

47% RH - 500mm2ventilation area

65% RH - 3815mm2ventilation area

Depth 30mm Height 40mm Energy Saver Vent open Energy Saver Vent closed

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Delta Vent and Grille

Controllable internal vent with matching external grille. Can be used to meet background ventilation requirements of Building Regulations throughout the UK and Republic of Ireland. Allows controlled ingress of fresh air to aid healthy indoor environment and reduce potential for condensation.

Features

Directs air upwards avoiding draughts and discomfort. Clearly marked, flush fitting

slide control for simple operation. Meets worst case requirements of BS 6375: Part 1: 2000 for resistance to water penetration.

Easy fitting due to location lugs.

Optional pull cord operation where reqired.

Performance and Dimensions

Product Ventilation Trickle Slot size Length

Equivalent area ventilation (height x width)

TVDV2 &TVDG2 1537mm2 250mm2 1no x 13 x 165mm 190mm

TVDV4 &TVDG4 3074mm2 500mm2 2no x 13 x 162.5mm 350mm

Material

Body: Injection moulded plastic Colour: White or brown as standard Other RAL colours to order Contact us for pricing.

Length see table

Slide control

Height 22mm Depth 24mm

Installed in window frame Installed on Overglass Vent Bar

STANDARD WINDOW VENTS

Specification clause

Select options required, and insert information where necessary.

Provide background ventilation complying with Building Regulations by means of automatic humidity-controlled internal window ventilators and external grilles giving 3815mm2equivalent area of ventilation. Internal vent (Passivent Energy Saver Vent TVES4) to operate between 45% and 60% relative humidity. Ventilators to meet or exceed the worst case requirements of BS 6375: Part 1: 2000 for resistance to water penetration in conjunction with specified external grille (Passivent TVUG5).

Ventilators and information available from Passivent Limited, North Frith Oasts, Ashes Lane, Hadlow, Kent TN11 9QU.

Telephone: 01732 850770, Fax: 01732 850949. Email:

projects@passivent.com

Specification clause

Select options required, and insert information where necessary.

Provide background ventilation complying with Building Regulations by means of manually operated Delta Vent (*DV2/DV4) window inlet and external Delta Grille (*DG2/DG4) giving equivalent area of *1537/3074mm2. Delta Grille (DG2/DG4) Ventilators to meet or exceed the worst case requirements of BS 6375: Part 1: 2000 for resistance to water penetration. *Delete as required Ventilators and information available from Passivent Limited, North Frith Oasts, Ashes Lane, Hadlow, Kent TN11 9QU.

Telephone: 01732 850770, Fax: 01732 850949. Email:

projects@passivent.com

External Canopy Grille

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Humidity sensitive, acoustic through frame window vent. Provides automatic ventilation and sound insulation for use near noise sources. Designed for use with Ultra Grille (TVUG5) external canopy grille (see page 3). Features

Substantial sound reduction.

Energy saving, reduces over ventilating. No user input required to control. No mechanical or

electrical components.

Material

Body: Injection moulded polystyrene Colour: White, brown or black. Colour matched to RAL available. Contact us for pricing.

Depth 64mm Height

45mm

Vent open

Vent closed

Performance and Dimensions

Product Ventilation Slot size Length Sound reduction

Equivalent area (height x width) up to

TVES4dB 3815mm2 2no x 13 x 162.5mm 420mm 39dB Dn,e,w

Acoustic Energy Saver Humidity Sensitive

External Canopy Grille

Acoustic Low Profile

Acoustic through frame window vent. Low profile design with manual operation. Available in either 450mm or 800mm widths and provides up to 42dB attenuation. Designed for use with Ultra Grille (TVUG5) external canopy grille (see page 3). Features

Substantial sound reduction. Internal filter prevents insect

and dust ingress.

Simple and easy operation. Meets worst case requirements of

BS 6375: Part 1: 2000 for resistance to water. Internal vent easily removed for cleaning.

Material

Body: Aluminium with polyester paint finish Colour: White or Grey.

Colour matched to RAL available. Contact us for pricing.

Performance and Dimensions

Product Ventilation Slot size Length Sound reduction

Equivalent area (height x width) up to

TVALdB450 1777mm2 1no x 13 x 350mm 456mm 40dB Dn,e,w

TVALdB800 1600mm2 1no x 13 x 350mm 806mm 42dB Dn,e,w

Specification clause

Select options required, and insert information where necessary.

Provide background ventilation complying with Building Regulations by means of automatic humidity-controlled internal window ventilators and external grilles giving 3815mm2equivalent area of ventilation. Internal vent (Passivent Energy Saver Vent TVES4) to operate between 47% and 65% relative humidity. Vent to be acoustically treated providing attenuation up to 39dB Dn,e,w. Ventilators to meet or exceed the worst case requirements of BS 6375: Part 1: 2000 for resistance to water penetration in conjunction with specified external grille (Passivent TVUG5). Ventilators and information available from Passivent Limited, North Frith Oasts, Ashes Lane, Hadlow, Kent TN11 9QU.

Telephone: 01732 850770, Fax: 01732 850949. Email:

projects@passivent.com

Specification clause

Select options required, and insert information where necessary.

Provide background ventilation complying with Building Regulations by means of internal window ventilators giving *1777/1600mm2equivalent area of ventilation (Fresh ALdB) to achieve up to *40/42dB Dn,e,w sound reduction.

Made of aluminium with ABS end caps. Supplied with dust and insect filter as standard. Ventilators to meet or exceed the worst case requirements of BS 6375: Part 1: 2000 for resistance to water penetration in conjunction with specified external grille (Passivent TVUG5). *Delete as required To be supplied by Passivent Limited, North Frith Oasts, Ashes Lane, Hadlow Kent TN11 9QU.

Telephone: 01732 850770, Fax: 01732 850949, Email:

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STANDARD WALL VENTS

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Features

Manual pull cord operation.

Trickle facility possible even when ‘closed’ to ensure fresh air ingress.

Filter and condensation protection incorporated.

Ventilation levels can be controlled to set levels.

Features

Manual slider operation, controls internal iris to modulate airflow.

Trickle facility possible even when ‘closed’ to ensure fresh air ingress.

Filter and condensation protection incorporated.

Ventilation levels can be controlled to set levels.

Performance and Dimensions

Product Standard operation Trickle facility Ventilation Airflow rate @10Pa

Equivalent area

Fresh 80 Manual control via pull cord Yes, 0-2000mm2 2220mm2 5.2 l/s

Fresh 90 Manual control via slider at bottom of vent Yes, 0-1200mm2 2630mm2 9.0 l/s

Fresh 100 Manual control via pull cord Yes, 0-2800mm2 3200mm2 9.0 l/s

Fresh TLF Manual control via slider at bottom of vent No 2540mm2 8.1 l/s

Fresh 99H Humidity control Yes, 0-1200mm2 3350mm2 8.1 l/s

Features

Manual pull cord operation.

Trickle facility possible even when ‘closed’ to ensure fresh air ingress.

Filter and condensation protection incorporated.

Ventilation levels can be controlled to set levels.

Internal controller 138mm diameter x 55mm depth

External grille 115 x 115mm

Wall sleeve outside diameter 86mm. Suitable for any wall thickness up to 360mm as standard (or more to special order).

External grille 140 x 140mm

Internal controller 150 x 150 x 48mm depth

Wall sleeve outside dia. 99mm. Suitable for any wall thickness up to 360mm as standard (or more to special order).

Wall sleeve outside diameter 99mm. Suitable for any wall thickness up to 360mm as standard (or more to special order).

Internal controller 184mm diameter x 56mm depth External grille 150 x 150mm

Fresh 80

Non-electric through wall vent provides controllable background ventilation. Supplied as controllable internal vent, ducting and external grille.

Fresh 90

Non-electric through wall vent provides controllable background ventilation. Supplied as controllable internal vent, ducting and external grille.

Fresh 100

Non-electric through wall vent provides controllable background ventilation. Supplied as controllable internal vent, ducting and external grille.

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Features

Manual slider operation controls internal iris to regulate airflow.

Filter and condensation protection incorporated.

Enhanced aesthetic appearance.

Design enhances airflow pattern locations.

Wall sleeve outside diameter 102mm. Suitable for any wall thickness up to 350mm as standard (or more to special order).

External grille 150 x 150mm

Internal controller 168 x 156mm x 46mm depth

Fresh TLF

Non-electric through wall vent provides controllable background ventilation. Supplied as controllable internal vent, ducting and external grille.

Fresh 99H Humidity Sensitive

Non-electrical, non-mechanical humidity sensitive through wall vent to provide controllable background ventilation. Ventilation increases/decreases as levels of relative humidity increase/decrease. Supplied as controllable internal vent, ducting and external grille.

Features

Automatic opening and closing dependent upon Relative Humidity (RH) levels. Filter and condensation protection

incorporated.

Incorporates manual override if required. Energy saving through reduced heat loss.

Wall sleeve outside diameter 99mm. Suitable for any wall thickness up to 350mm as standard (or more to special order).

Internal controller 140 x 140mm x 60mm depth External grille 140 x 140mm

With manual controlled vents there is the reliance on the user to open and close the vent as required. If they do not use the product as is required, it is possible that dwellings are over or under ventilated. Over ventilating will mean that excess heat is lost, thus requiring more energy from the house heating to warm the space, costing more money. Under ventilating can lead to issues of condensation and possible mould growth.

An automatic unit, such as the Fresh 99H opens and closes dependent upon relative humidity, thus reducing the potential for condensation and reducing the amount of heat loss.

The product does not require any manual interaction to operate, making ideal for social housing, care homes, hotels and student accomodation.

Material for all models

Body: Recyclable ABS.

Colour: Internal controller – white External grille – terracotta Colour matched to RAL available. Contact us for pricing.

Optional extras for all models

Pollen filter Acoustic cowl

Storm shield to prevent draughts in windy locations

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ACOUSTIC WALL VENTS

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Fresh 80dB

Non-electric acoustic though wall vent, provides controlled background ventilation and noise attenuation up to 50dB Dn,e,w. Supplied as controllable internal vent, acoustic ducting and external grille. Features

Substantial sound reduction up to 50dB Dn,e,w.

Trickle facility to allow air ingress even when closed.

Filter and condensation protection incorporated.

For 300mm wall thickness as standard, longer length available.

Fresh 90dB

Non-electric acoustic though wall vent, provides controlled background ventilation and noise attenuation up to 45dB Dn,e,w. Supplied as controllable internal vent, acoustic ducting and external grille. Features

Sound reduction up to 45dB Dn,e,w. Manual slider operation, controls internal

iris to modulate airflow.

Trickle facility possible even when ‘closed’ to ensure fresh air ingress.

Filter and condensation protection incorporated.

Ventilation levels can be controlled to set levels.

Fresh 100dB

Non-electric, acoustic through wall vent provides controllable background ventilation and noise reduction up to 42dB Dn,e,w. Supplied as controllable internal vent, acoustic ducting and external grille. Features

Sound reduction up to 42dB Dn,e,w. Manual pull cord operation.

Trickle facility possible even when ‘closed’ to ensure fresh air ingress.

Filter and condensation protection incorporated.

Internal controller 138mm diameter x 60mm depth Backplate 165 x 165mm External grille 165 x 165mm

Wall sleeve outside diameter 140mm. Suitable for any wall thickness up to 300mm as standard (or more to special order)

Wall sleeve outside diameter 140mm. Suitable for any wall thickness up to 300mm as standard (or more to special order).

Internal controller 150 x 150mm x 48mm Backplate 165 x 165mm External grille 165 x 165mm

Internal controller 184mm diameter x 65mm depth Backplate 210 x 210mm

Wall sleeve outside diameter 140mm. Suitable for any wall thickness up to 300mm as standard (or more to special order).

External grille 165 x 165mm

Performance and Dimensions

Product Standard operation Trickle facility Ventilation Airflow rate Sound reduction

Equivalent area @10Pa up to

Fresh 80dB Manual control via pull cord Yes, 0-2000mm2 2220mm2 5.2 l/s 50dB Dn,e,w

Fresh 90dB Manual control via slider at bottom of vent Yes, 0-1200mm2 2630mm2 9.0 l/s 45dB Dn,e,w

Fresh 100dB Manual control via pull cord Yes, 0-2800mm2 3200mm2 9.0 l/s 42dB Dn,e,w

Fresh TLF-dB Manual control via slider at bottom of vent No 2540mm2 8.1 l/s 46dB Dn,e,w

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Fresh TLF-dB

Non-mechanical acoustic through-wall vent provides controllable background ventilation and noise reduction to 46dB Dn,e,w. Supplied as controllable internal vent, acoustiv ducting and external grille. Features

Sound reduction up to 46dB Dn,e,w Manual slider operation controls internal

iris to regulate airflow.

Filter and condensation protection incorporated.

Enhanced aesthetic appearance.

Internal controller 168 x 156mm x 54mm Backplate 180 x 180mm External grille 180 x 180mm

Wall sleeve outside diameter 140mm. Suitable for any wall thickness up to 300mm as standard (400mm and more to special order).

Fresh 99HdB Humidity Sensitive

Non-electric acoustic, humidity sensitive vent provides background ventilation and noise reduction to 45dB Dn,e,w.

Supplied as automatic humidity sensitive internal vent, acoustic ducting and external grille.

Features

Sound reduction up to 45dB Dn,e,w Automatic opening and closing dependent

upon Relative Humidity (RH) levels. Incorporates manual override if

required/desired.

Filter and condensation protection incorporated.

Internal controller 140 x 140mm x 60mm Backplate 165 x 165mm

Wall sleeve outside diameter 140mm. Suitable for any wall thickness up to 300mm as standard (or more to special order).

External grille 165 x 165mm

The acoustic wall vents reduce the amount of noise ingress from outside, making them suitable for use in applications where there are high levels of external noise such as near main roads, airports or railway lines.

Material for all acoustic models

Body: Recyclable ABS

Duct: Glass fibre with PVC skin Colour: Internal controller – white External grille – terracotta Colour matched to RAL available. Contact us for pricing.

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FURTHER INFORMATION

The Passivent range of background ventilation can be used to help achieve the background ventilation requirements specified within the necessary building regulations.

The range can be used as part of a full house ventilation strategy using our natural and mechanical ventilation systems including: iPSV: Passive Stack ventilation requiring no energy use and no moving parts

iMEV: intelligent mechanical extract ventilation utilising humidity sensitive components to ensure optimal performance Intellivent: decentralised mechanical extract ventilation

Mastercare™ Installer scheme

We recommend that installation is carried out by a specialist Passivent Mastercare Installer. The Mastercare scheme, operated by Passivent Limited, comprises well-established and reputable companies who have been fully trained and assessed by Passivent Limited to install any Passivent system in both new build and refurbishment projects.

Mastercare provides:

Assurance that work is carried out by trained and experienced installers who are familiar with the systems.

Quality installations.

Compliance with relevant codes of practice. Competitive cost.

All Passivent Mastercare Installers hold a certificate from Passivent Limited. They are regularly

monitored to ensure standards of work are maintained, and also receive full technical support from Passivent Limited.

Quality assurance

Passivent products are designed, developed and manufactured under a BS EN ISO 9001 quality management system, giving an independently audited assurance that the products will fulfil their intended purpose.

Environment

Passivent conducts all business processes under a BS EN ISO 14001 environmental management system, giving an assurance that all activities are carried out having minimal impact on the environment.

910158 October 2015 4670

PASSIVENT LIMITED

North Frith Oasts, Ashes Lane, Hadlow, Kent TN11 9QU Tel: 01732 850770 Fax: 01732 850949

Email: projects@passivent.com Web: www.passivent.com

Passivent Limited maintains a policy of continuous development and reserves the right to amend product specifications without notice.

A division of Building Product Design Ltd. Company Registration No; 3944123

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References

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