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How Do Sun Tunnels Work - Sun Tunnel FAQs

Posted By: Trade Access Panels Times Read: 430 Comments: 0

At Trade Access Panels we are often asked questions regarding SUNPIPES. Please see our guide below where we have tried to answer the most frequently asked questions.

How do sun tunnels work

1. Does the SUNPIPE kit include everything that I will need?

Yes, the kit includes everything required including the diffuser

2. How do I fit the SUNPIPE?

Although the SUNPIPE system is extremely easy to fit, we would always recommend gaining the advice of an expert, especially when working at height. Please however see the link to the Installation Guide.

3. How much light output will I achieve from my new SUNPIPE?

The light output will vary according to the time of the year, the position of the SUNPIPE in your roof, the size of the SUNPIPE and the internal finishes of your room. We would always recommend getting the largest SUNPIPE possible for your room to ensure that efficiency as high as possible.

4. Will the SUNPIPE require any maintenance once fitted?

Due to the shape of the dome, the SUNPIPE is self-cleaning. The diffuser fits snugly into the base of the fitting ring to prevent dust and dirt from entering the system and as a result the interior mirror finish surface never requires any maintenance, if fitted correctly. If however, you are fitting a light kit, the bottom ceiling diffuser can be removed but care must be taken not to leave finger marks on the interior mirror finish of the SUNPIPE.

5. Can I fit a SUNPIPE within my bedroom?

You can install a SUNPIPE in any room however you must bear in mind that during the summer months, the room will always be flooded with light and unlike a window, you cannot close the curtains to make the room dark. For this reason, we suggest that motorised shut-off dampers be fitted if it is to be installed within a bedroom, especially if it is a bedroom for small children.

6. What size of the hole do I need to cut?

You will need to enlarge the hole to the sizes shown in the table below:

7. How long can the SUNPIPE be?

A SUNPIPE can be almost any length you require, however you need to be aware of the loss in efficiency for each additional pipe added. On average, loses of 6% of light for every metre of SUNPIPE. We always recommend using the largest SUNPIPE possible for your project, particularly in the UK where we can have any dreary days with little natural daylight. For a very long SUNPIPE, a larger diameter should be used. Please note that there is also a 12% light reduction for every 45° bend. On smaller sizes, the total effective maximum length is 8m and up to 20m on a larger size SUNPIPES.

8. Do I need Planning Permission to install a SUNPIPE at my property?

Broadly speaking, you do not normally require Planning Permission for the installation of a SUNPIPE. However, if your property is situated in Scotland or within a Conservation Area, then specific permission must be obtained from your Listed Building Officer. If in doubt, please contact your local Council for clarification.

9. What spacing would I need to use for my SUNPIPE?

Generally speaking, we recommend 230mm diameter SUNPIPES at 2m; 300mm diameter at 3m; 450mm diameter at 4m and 530mm diameter at 5m interval spacings.

10. Will the top outer cover of the SUNPIPE discolour over time?

The Monodraught SUNPIPE will not discolour because the domes are manufactured from acrylic, therefore there is no discolouration to their domes over the lifetime of the SUNPIPE system. This has been tested and verified by the Building Research Establishment (BRE) and the full test is available upon request.

11. What Guarantee comes with the SUNPIPE?

10 year Guarantee is provided as standard.

12. Do sun tunnels and SUNPIPES work on a cloudy day?

Yes, if you imagine as sun tunnel or SUNPIPE as a window in a tube; you still get light through your windows even on the cloudiest of days, just like you will with a sun tunnel, just not as bright as a sunny day. There is a chart on the website which give the approximate performance on a cloudy and sunny day.

13. How much will it cost for me to get a SUNPIPE installed?

It should take a competent Roofer/Builder around ½ a day to one full day to fit a SUNPIPE, which can cost anything from £200-£400 on average.

14. What is a SUNPIPE/Sun Tunnel?

Basically, a SUNPIPE can be thought of as a window in a tube; it is a reflective tube that is used to duct sunlight into space where a window or conventional rooflight is not feasible. They are a highly effective way to adding natural daylight to an otherwise dark space in both domestic and commercial properties.

15. How does a SUNPIPE actually work?

The SUNPIPE system collects daylight using a patented high impact acrylic Diamond Dome, passing it through a SUPER- SILVER mirror finished aluminium tube which reflects and directs the Natural Daylight to the diffuser. The diffuser distributes the natural daylight evenly in the room.

16. What options are available for me to suit my roof?

We offer SUNPIPES for Flat and Pitched Roofs. We are also able to provide for either a Pitched roof with Plain Tiles, Slate Tiles or Bold Rolled Tiles. We do also supply Square SUNPIPES which can be fitted on Pitched roofs if you would prefer this option instead of the usual cylinder.

17. Will installing a SUNPIPE help me save money on my energy bills?

On average, your energy costs can be saved as the need for electric lighting can be reduced by as much as 75% depending on your circumstances. It is also sustainable energy in action, not only can SUNPIPE reduce energy it also leads to a considerable reduction in CO2 emissions.

18. Are there any other benefits of me installing a SUNPIPE?

Studies have shown that people work better in a naturally lit environment and it has been shown to alleviate some of the symptoms of Seasonal Affective Disorder (SAD). Exposure to natural daylight is believed to have the following benefits by boosting the production of vitamins and hormones: maintains the Circadian Rhythm, reduces depression, alleviates pain and improves sleep pattern and mood.

Related products

Sun Tunnel For Flat Roof - Monodraught Sunpipe®
£194.00 Ex Tax: £194.00

The SUNPIPE natural daylight sun tunnel for flat roof directs sunlight into a room from roof level. The SUNPIPE collects daylight using a patented Diamond dome, using a silverised PVD coated mirror-finished aluminium tube to transfer light to a room, with a ceiling diffuser evenly distributing the light around the room. SUNPIPES are suited to almost any application, and have been installed anywhere from residential bedrooms to the Olympic Handball Arena in London. All sunpipe systems are guaranteed for 10 years Performance Available in 4 different sizes, the larger the size the more light the sun tunnel for flat roof will pass. Area to be Lit(To a Normal Daylight Condition) SUNPIPE Size Approx 7.5 m2 (80 Sq. ft.) 230 mm (9” dia) Approx 14 m2 (150 Sq. ft. 300 mm (12” dia) Approx 22 m2 (230 Sq. ft.) 450 mm (18” dia) Approx 40 m2 (430 Sq. ft.) 530 mm (21” dia) Tables from research conducted by the University of Nottingham showing output of a 300 mm dia. SUNPIPE to a flat roof application. Sun Tunnel for Flat Roof Monodraught sun tunnels are a revolutionary new way to get natural daylight from rooftops into interiors to brighten dark rooms and underground spaces. These sun pipes are suited to almost any application, and have been installed anywhere from residential bedrooms to commercial properties. Light Output Extension Calculation Overall Length (‘X’) No. of Extensions Up to 600 mm (4 ft) None Up to 1200 mm (4 ft) One 1200 mm (4 ft) to 1800 mm (6 ft) Two 1800 mm (6 ft) to 2400 mm (8 ft) Three 2400 mm (8 ft) to 3000 mm (10 ft) Four 2300 mm (10 ft) to 3660 mm (12 ft) Five Over 3660 mm (12 ft) add one length per extra 610 mm (2ft) Dimensions Dimensions   230 300 450 530 SUNPIPE Diameter [mm] 230 305 457 535 Roof and Ceiling Opening Ø [mm] 250 320 470 550 Lengths & Bends Smaller sizes have a recommended total maximum pipe length of 8 m. Larger sizes allow for longer lengths to be used. There is a 12% reduction of light output for each 45° bend used and there is a 6% reduction in light transmission for every metre of SUNPIPE. 30° & 45° adjustable elbows can be used with all SUNPIPE applications to direct daylight to where it is required. Specification 1. Acrylic Diamond Dome As Standard we use high impact acrylic in our patented Diamond domes which maximises the penetration of natural daylight. 2. Galvanised Flashing Plate and ABS Collar Galvanised Flashing plate manufactured from 0.8mm galvanized mild steel which is corrosion resistant and suitable for felt, membrane and asphalt roof finishes. Supplied with an ABS (acrylonitrile-butadiene styrene) collar for dome to fit on to. 3. 610 Plain End Pipe The 610mm plain end pipe is manufactured from 0.5mm thick anodized aluminium pipe and is coated with MIRO SILVER® 27/427OAG to maximise reflections and limit light diffusion. 4. Plywood Backing Plate/Template The 4mm thick plywood backing plate/template can be used to 'mark out' the opening at ceiling level and to provide additional structural fixing for the diffuser. 5. 250 Ceiling Extension The 250mm ceiling extension is manufactured from 0.5mm thick anodized aluminium pipe and is coated with MIRO SILVER® 27/427OAG to maximise reflections and limit light diffusion. This provides a permanent joint between the diffuser and plain end pipe. 6. Double Glazed MicroPrism Ceiling Diffuser The double glazed microprism diffuser is designed to offer excellent thermal performance whilst ensuring maximum spread of natural daylight within the space and an even light distribution. The trim is supplied in white as standard. 230mm Sunlumes are provided with a 3-piece polycarbonate diffuser. Advantages Reduced Carbon Emissions Education Increased achievement rates Reduced fatigue factors Improved health and attendance Enhanced general development Health Care Combats the condition of SAD No maintenance no disruption Typical payback period of 5 - 6 years Retail Addition of skylights proven to produce a 40% increase in sales Offices 20% increase in employee output Reduced absence because of sickness Reduced instances of Sick Building Syndrome (SBS) Improved Health Boosted levels of Dopamine, Endorphins, Cortisone, Testosterone in men, and Vitamin D Related Information How do Sun Tunnels Work - Sun Tunnels FAQs answered Monodraught Sunpipes - Frequently Asked Questions Why choose Monodraught SUNPIPE® Designing Sustainable Retail Buildings How to bring more Natural Light into your property? ..

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Monodraught Sunpipe For Slates - Pitched Roof Slate Tiles Kit
£202.00 Ex Tax: £202.00

The Monodraught sunpipe natural daylight system directs sunlight into a room from roof level. The SUNPIPE collects daylight using a patented Diamond dome, using a silverised PVD coated mirror-finished aluminium tube to transfer light to a room, with a ceiling diffuser evenly distributing the light around the room. SUNPIPES are suited to almost any application, and have been installed anywhere from residential bedrooms to the Olympic Handball Arena in London. All sunpipe systems are guaranteed for 10 years Monodraught Sunpipe for Slates - Pitched Roof Monodraught sunpipe kits are a revolutionary new way to get natural daylight from rooftops into interiors to brighten dark rooms and underground spaces. These sun pipes are suited to almost any application, and have been installed anywhere from residential bedrooms to commercial properties. Performance Available in 4 different sizes, the larger the size the more light the Sunpipe will pass. Area to be Lit(To a Normal Daylight Condition) SUNPIPE Size Approx 7.5 m2 (80 Sq. ft.) 230 mm (9” dia) Approx 14 m2 (150 Sq. ft. 300 mm (12” dia) Approx 22 m2 (230 Sq. ft.) 450 mm (18” dia) Approx 40 m2 (430 Sq. ft.) 530 mm (21” dia) Tables from research conducted by the University of Nottingham showing output of a 300 mm dia. SUNPIPE to a flat roof application. Light Output Extension Calculation Overall Length (‘X’) No. of Extensions Up to 1200 mm (4 ft) None 1200 mm (4 ft) to 1800 mm (6 ft) One 1800 mm (6 ft) to 2400 mm (8 ft) Two 2400 mm (8 ft) to 3000 mm (10 ft) Three 23000 mm (10 ft) to 3660 mm (12 ft) Four Over 3660 mm (12 ft) add one length per extra 610 mm (2ft) Dimensions Dimensions   230 300 450 530 SUNPIPE Diameter [mm] 230 305 457 535 Roof and Ceiling Opening Ø [mm] 250 320 470 550 Lengths & Bends Smaller sizes have a recommended total maximum pipe length of 8 m. Larger sizes allow for longer lengths to be used. There is a 12% reduction of light output for each 45° bend used and there is a 6% reduction in light transmission for every metre of SUNPIPE. 30° & 45° adjustable elbows can be used with all SUNPIPE applications to direct daylight to where it is required. Specification 1. Acrylic Diamond Dome As Standard we use high impact acrylic in our patented Diamond domes which maximises the penetration of natural daylight. 2. ABS Slate Flashing Plate ABS (acrylonitrile-butadiene styrene) slate flashing plate manufactured from 3.5mm thick ABS topped with PMA (Polymer Modified Asphalt) for a long lasting, durable finish is suitable for majority of slate roofs. Complete with ABS undercloak roofing felt support. 3. 610 Crimped End Extension Pipe The 610mm extension pipe is manufactured from 0.5mm thick anodized aluminium pipe and is coated with MIRO SILVER® 27/427OAG to maximise reflections and limit light diffusion. The crimped ends fit tightly into the plain ends. 4. 45° Adjustable Elbow The 45° adjustable elbow is manufactured from 0.5mm thick anodized aluminium pipe and is coated with MIRO SILVER® 27/427OAG to maximise reflections and limit light diffusion. It allows to create an offset and the pipe to deviate course when required. Elbow sections can be rotated to achieve different angles. 5. 610 Plain End Pipe The 610mm plain end pipe is manufactured from 0.5mm thick anodized aluminium pipe and is coated with MIRO SILVER® 27/427OAG to maximise reflections and limit light diffusion. 6. Plywood Backing Plate/Template The 4mm thick plywood backing plate/template can be used to 'mark out' the opening at ceiling level and to provide additional structural fixing for the diffuser. 7. 250 Ceiling Extension The 250mm ceiling extension is manufactured from 0.5mm thick anodized aluminium pipe and is coated with MIRO SILVER® 27/427OAG to maximise reflections and limit light diffusion. This provides a permanent joint between the diffuser and plain end pipe. 8. Double Glazed MicroPrism Ceiling Diffuser The double glazed microprism diffuser is designed to offer excellent thermal performance whilst ensuring maximum spread of natural daylight within the space and an even light distribution. The trim is supplied in white as standard. 230mm Sunlumes are provided with a 3-piece polycarbonate diffuser. The installation pack contains silicone sealant, screws, sealed rivets, neoprene washers, brushed nylon condensation seal, aluminium tape and universal installation instructions. Advantages Reduced Carbon Emissions Education Increased achievement rates Reduced fatigue factors Improved health and attendance Enhanced general development Health Care Combats the condition of SAD No maintenance no disruption Typical payback period of 5 - 6 years Retail Addition of skylights proven to produce a 40% increase in sales Offices 20% increase in employee output Reduced absence because of sickness Reduced instances of Sick Building Syndrome (SBS) Improved Health Boosted levels of Dopamine, Endorphins, Cortisone, Testosterone in men, and Vitamin D Related Information How do Sun Tunnels Work - Sun Tunnels FAQs answered Monodraught Sunpipes - Frequently Asked Questions Why choose Monodraught SUNPIPE® Designing Sustainable Retail Buildings How to bring more Natural Light into your property? ..

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Sun Tunnel Pitched Roof Plain Tiles Kit - Monodraught Sunpipe®
£225.00 Ex Tax: £225.00

The SUNPIPE natural daylight system - this sun tunnel pitched roof plain tiles kit directs sunlight into a room from roof level. The SUNPIPE collects daylight using a patented Diamond dome, using a silverised PVD coated mirror-finished aluminium tube to transfer light to a room, with a ceiling diffuser evenly distributing the light around the room. SUNPIPES are suited to almost any application, and have been installed anywhere from residential bedrooms to the Olympic Handball Arena in London. All sunpipe systems are guaranteed for 10 years Sun Tunnel Pitche Roof Kit for Tiles Monodraught sun tunnel pitched roof kits are a revolutionary new way to get natural daylight from rooftops into interiors to brighten dark rooms and underground spaces. These sun pipes are suited to almost any application, and have been installed anywhere from residential bedrooms to commercial properties. Performance Available in 4 different sizes, the larger the size the more light the Sunpipe will pass. Area to be Lit(To a Normal Daylight Condition) SUNPIPE Size Approx 7.5 m2 (80 Sq. ft.) 230 mm (9” dia) Approx 14 m2 (150 Sq. ft. 300 mm (12” dia) Approx 22 m2 (230 Sq. ft.) 450 mm (18” dia) Approx 40 m2 (430 Sq. ft.) 530 mm (21” dia) Tables from research conducted by the University of Nottingham showing output of a 300 mm dia. SUNPIPE to a flat roof application. Light Output Extension Calculation Overall Length (‘X’) No. of Extensions Up to 1200 mm (4 ft) None 1200 mm (4 ft) to 1800 mm (6 ft) One 1800 mm (6 ft) to 2400 mm (8 ft) Two 2400 mm (8 ft) to 3000 mm (10 ft) Three 23000 mm (10 ft) to 3660 mm (12 ft) Four Over 3660 mm (12 ft) add one length per extra 610 mm (2ft) Dimensions Dimensions   230 300 450 530 SUNPIPE Diameter [mm] 230 305 457 535 Roof and Ceiling Opening Ø [mm] 250 320 470 550 Lengths & Bends Smaller sizes have a recommended total maximum pipe length of 8 m. Larger sizes allow for longer lengths to be used. There is a 12% reduction of light output for each 45° bend used and there is a 6% reduction in light transmission for every metre of SUNPIPE. 30° & 45° adjustable elbows can be used with all SUNPIPE applications to direct daylight to where it is required. Specification 1. Acrylic Diamond Dome As Standard we use high impact acrylic in our patented Diamond domes which maximises the penetration of natural daylight. 2. ABS Plain Tile Flashing Plate and Code 4 Lead Skirt ABS (acrylonitrile-butadiene styrene) plain tile flashing plate manufactured from3.5 mm thick ABS topped with PMA (Polymer Modified Asphalt) for a long lasting, durable finish is suitable for majority of plain tile roofs. Supplied with code 4 lead flashing for suitable weathering. 3. 610 Crimped End Extension Pipe The 610mm extension pipe is manufactured from 0.5mm thick anodized aluminium pipe and is coated with MIRO SILVER® 27/427OAG to maximise reflections and limit light diffusion. The crimped ends fit tightly into the plain ends. 4. 45° Adjustable Elbow The 45° adjustable elbow is manufactured from 0.5mm thick anodized aluminium pipe and is coated with MIRO SILVER® 27/427OAG to maximise reflections and limit light diffusion. It allows to create an offset and the pipe to deviate course when required. Elbow sections can be rotated to achieve different angles. 5. 610 Plain End Pipe The 610mm plain end pipe is manufactured from 0.5mm thick anodized aluminium pipe and is coated with MIRO SILVER® 27/427OAG to maximise reflections and limit light diffusion. 6. Plywood Backing Plate/Template The 4mm thick plywood backing plate/template can be used to 'mark out' the opening at ceiling level and to provide additional structural fixing for the diffuser. 7. 250 Ceiling Extension The 250mm ceiling extension is manufactured from 0.5mm thick anodized aluminium pipe and is coated with MIRO SILVER® 27/427OAG to maximise reflections and limit light diffusion. This provides a permanent joint between the diffuser and plain end pipe. 8. Double Glazed MicroPrism Ceiling Diffuser The double glazed microprism diffuser is designed to offer excellent thermal performance whilst ensuring maximum spread of natural daylight within the space and an even light distribution. The trim is supplied in white as standard. 230mm Sunlumes are provided with a 3-piece polycarbonate diffuser. 9. Installation Pack The installation pack contains silicone sealant, screws, sealed rivets, neoprene washers, brushed nylon condensation seal, aluminium tape and universal installation instructions. Advantages Reduced Carbon Emissions Education Increased achievement rates Reduced fatigue factors Improved health and attendance Enhanced general development Health Care Combats the condition of SAD No maintenance no disruption Typical payback period of 5 - 6 years Retail Addition of skylights proven to produce a 40% increase in sales Offices 20% increase in employee output Reduced absence because of sickness Reduced instances of Sick Building Syndrome (SBS) Improved Health Boosted levels of Dopamine, Endorphins, Cortisone, Testosterone in men, and Vitamin D Related Information How do Sun Tunnels Work - Sun Tunnels FAQs answered Monodraught Sunpipes - Frequently Asked Questions Why choose Monodraught SUNPIPE® Designing Sustainable Retail Buildings How to bring more Natural Light into your property? ..

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