If it’s a healthier indoor environment you’re after, then you should consider how airtightness and ventilation affect your home. Not entirely sure what these aspects are and why they’re important? Then this post is for you.

What Do We Mean by Airtightness and Ventilation in the Home?

The key differences and uses of airtightness and ventilation are actually not as complex as you might think. Here’s how to make sense of them and apply it on your property.


Essentially, ventilation happens when you intentionally introduce outdoor air into a building. Usually done by opening doors and windows or through a dedicated system, such as a roof ventilation system. For homes to maintain healthy levels of indoor air quality, ventilation is crucial. Proper ventilation increases oxygen levels and at the same time displaces and dilutes airborne pollutants and carbon dioxide.

Importance of Airtightness and Ventilation


In contrast, where ventilation lets air in, airtightness limits the amount of air seeping into a building unintentionally. With airtightness, the goal is to keep the air inside.

You might think that it’s as simple as closing windows and doors. However, it’s important to note that not all doors and windows seal properly. Other areas that air can seep in include the following:

  • Poorly fitted floorboards
  • Gaps around ceiling insulation
  • Unsealed air vents or exhaust fans

Why Are They an Important Consideration For Your Property?

Creating the perfect balance between ventilation and airtightness is important in every home and office space.

Proper ventilation is crucial for maintaining a healthy home, while ensuring that it is airtight (i.e., minimizing or eliminating air leaks) can enhance thermal comfort and energy efficiency. However, if a home that is too airtight and lacks the sufficient amount of ventilation this can lead to problems such as condensation, mould, and elevated levels indoor pollutants.

Therefore, it’s essential to strike a balance between these two factors, in order to maintain an airtight property that promotes thermal comfort and energy efficiency without compromising the quality of indoor air.

Our Recommendations for Ensuring Airtightness and Ventilation in Your Space

Depending on your current home setup, it can be challenging to find the perfect balance between the right amount of airtightness and ventilation. Fortunately, we have a few recommendations that will help to ensure optimal management of your indoor air quality.

For ventilation:

  • Let our team assess your space for a roof ventilation system—this will ensure that your home is ventilated year around, even when you’re not home to open windows or doors.
  • Enhance natural ventilation by opening windows and doors, especially in spaces where there’s cooking, appliances, or new furniture and carpets that may emit toxins.
  • Many Australians opt for the benefits of a whole house fan to improve the air quality in their homes or commercial spaces. By extracting stale air and instantly cooling your home, these fans are also excellent for reducing AC costs.

For airtightness:

  • Arrange an air leak audit to determine the amount of airtightness in your space. On average, many old Australian homes have an air leak of 30 air changes per hour at 50 pascals (Pa). Newer homes have an airtightness of 15.4 air changes per hour at 50 pascals (Pa). This shows that older homes need more attention.
  • You may have to consider adding internal sealing to any gaps in your home.
  • Add airlocks to external openings in rooms such as laundries and mud rooms.
  • Insulate the underside of any raised floors by using insulative membranes.
  • Add draught-proofing strips and hinges to existing windows and doors.

How Can You Speak to An Expert?

The good news is that the experts at Solatube are just a phone call away. Simply arrange a consultation and they will recommend the best ventilation or fan system for your unique space. They will help you maintain air balance, all year round!

Call Solatube on 13 16 19 to arrange a quick and easy consult. Getting a QUOTE to boost the comfort of your home has never been easier. You’ll wonder why you didn’t do it sooner!

The post The Importance of Airtightness and Ventilation appeared first on Solatube Australia.


By: Solatube Australia
Title: The Importance of Airtightness and Ventilation
Sourced From: solatube.com.au/blog/the-importance-of-airtightness-and-ventilation/
Published Date: Mon, 27 Feb 2023 03:26:29 +0000

Frequently Asked Questions

Do you need to buy a curb-mounted or deck mounted skylight?

That depends on the limitations of your roof. You can mount curb-mounted or deck-mounted skylights directly on the frame of your roof deck.

If you don’t have the space to mount a curb around the outside of your house, then a deck mounted skylight might be an option. In this situation, you will use flashing compatible with the type of material used in your roof construction and fasten it directly to the frame or decking of your roof.

However, homeowners who are looking for more options for their skylights can choose to mount them curb-mounted. There are also more styles to choose from, such as ventilated and sun tunnels. This can be very beneficial if you wish to maximize natural light entering an interior space. It is important to have enough space between the windows and the wall to mount them correctly.

Both types are suitable for different purposes. To determine which type of skylight is best for your situation, it’s essential to accurately measure the space to be installed.

What are the advantages of skylights

What are the benefits of skylights? Skylights can be a great way to bring natural light into your home, creating a bright and airy ambiance. Natural light can not only be good for your emotional, mental, or physical well-being but also reduces energy costs.

Skylights can also provide many other benefits. Because they don’t require extra materials or frames, they are typically easier to put in than traditional windows. Furthermore, skylights can improve air circulation in small rooms by eliminating damp spaces caused by a lack of ventilation. Skylights allow for multiple sunlight angles that reduce glare, improve visibility and make it easier to work at computers throughout the day.

Skylights have the added benefit of enhancing the visual appeal of any space through their sleek design, beautiful glass panes, and other benefits. Skylight designs come in various sizes and shapes so you can choose one based on personal preferences, interior decor needs, or desired room size to increase or decrease the amount of light entering each space.

Skylights have both aesthetic and practical benefits. Skylights allow natural daylight to enter areas that may not have windows due to space restrictions or other factors. Skylights improve air circulation in a room and reduce energy consumption. They also decrease glare and visibility problems related to computer screens. Skylights can be installed quickly and do not require expensive materials.

What is your maximum ceiling size?

Several factors, including the roof pitch, building codes, mounting system, and window type determine the size of a skylight. A skylight can be as small as 24″x30″ windows or large enough to fit into a multi-paned 4’x8′ glass roof light that is allowed by building codes.

Standard sizes for standard glass skylights are usually two feet wide and two feet tall. If structural support is required, large single-pane rooflights up to 48″ can be used. Complex window shapes such as hexagons and circles can be achieved by increasing the size of the sky arts to 36″.

Larger sizes, up to 8 feet, can be customized-made for multiple pane systems and heavy-duty glass systems. These larger sizes can include strengthened frames and additional supports for roof applications such as vaulted ceilings. This will result in higher energy efficiency and higher U value ratings.

Most residential skylights allow for maximum sizes up to 5’x5″. If the skylight is installed correctly, however, it may be possible to use larger sizes (10’x10’ or greater depending on the material and support system used in each home.

What is the average cost of a skylight?

Skylights can be expensive depending on many factors. The overall cost of a skylight depends on its size and shape as well the type of glass and other components. A basic skylight costs between $200 and $600. More intricate designs and more expensive materials will increase the cost.

Vinyl frames, which are the most common type for skylight frames, are best suited to small windows with dimensions less than 36 inches. They usually cost between $200 and $500. Metal or wood frames may be more suitable for you if your needs are not within this range. These materials are typically priced between $400 and $1300 depending on their size and quality.

Tempered glass is generally less expensive than laminated, but it has certain advantages like lower sound reverberation inside your home. Prices also depend on the tint. If you have darker tints, they can block out more heat and are therefore more expensive. However, these panels require less energy which will increase their price.

The last factor you should consider when calculating a skylight’s final cost is its installation. Since labor costs are variable from one location to the next, get a precise quote from local professionals that includes both supplies AND installation fees. It’s reasonable to expect an overall cost of $900 to $3,000 for more complex shapes and larger sizes. Contractor assistance is also required.

What is your favorite material for skylights

Skylights are an effective way of adding natural light to any room and can be made of various materials. The building’s particular characteristics, aesthetic requirements and budget will all influence the choice of material.

When choosing a material for skylights, it’s important to consider factors such as insulation, durability, and maintenance requirements. A popular choice for skylights, polycarbonate, offers the best balance between affordability, durability and energy efficiency. This lightweight plastic-based material features excellent thermal insulation and UV protection.

Glass is another popular choice for skylights. This classic option can provide as much insulation as possible, up to 30% higher than the alternatives, but also requires more strength due its weight. Tempered glass is a good choice when safety concerns make it necessary; this type of glass features increased hardness which makes it more resistant to breakage or shattering should accidents occur.

Vinyl frames also make great thermal covers. These frames have a lightweight construction that is easy to install and offer additional weatherproofing benefits. They also have less thermal expansion than other options, which makes them suitable for larger installations in harsher conditions.

Skylights are not all the same. Every project is unique and will require different materials depending on climate conditions, style preferences, budget constraints, and location. It is important to research the options before making a decision. This will ensure that you get the best skylight for your budget.

What is the purpose of a skylight window?

Skylight windows can be installed on the roof for natural daylight or ventilation. Skylight windows provide natural light and are attractive to the eye. These windows are most commonly used in bathrooms or kitchens. However, they can also serve as natural light sources in living spaces, bedrooms and other spaces in the home.

Skylight windows have the primary purpose of letting in more natural sunlight than traditional walls, especially in areas where there is little or no light. Additional sunlight can improve moods and reduce electricity consumption (by eliminating artificial lighting), as well as creating more visually appealing interior spaces.

Skylight windows let fresh air into your home while protecting it from harsh elements like rain, wind and snow. Skylights reduce drafts in the home and allow for optimal ventilation throughout the year.

Because they are often installed at an angle away from direct heat sources during warm days (like neighbor’s walls that face the sun), they can help maintain cool temperatures in summer months. This will allow you to save significant money by not using your air conditioner as frequently.

Skylight windows provide adequate comfort for building occupants and create a visually appealing effect.


  • The flat roof skylight can help reduce this noise by up to 50%, making it much easier to relax when inside your home. (roofing4us.com)
  • Skylights let 30% more natural light in as compared to conventional wall windows. (glassgenius.com)
  • 4) Energy Efficiency: On average flat roofs lose 50% more heat than traditional sloped roofs; but standard flat skylights only worsen this issue. (roofing4us.com)
  • Installing and flashing the window itself will cost $200 to $300 for homes with asphalt shingles, and 20 to 30 percent more for metal or tile roofing. (thespruce.com)
  • Similarly, those who select VELUX solar-powered products will enjoy the added benefit of qualifying for a 26% tax credit on their purchase. (skylightsforless.com)

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How To

How to choose the right skylight for your home

It is an important decision to select the right skylight in your home. It will have a significant impact on the aesthetics and functionality of your space. All factors should be taken into consideration, such as the size, number, position, and type.

Consider the architecture of your home before you start looking for a skylight. Choose a style and form that is compatible with your home’s existing roofline. New constructions often use dome-shaped skylights because they have a greater coverage area than the rectangular and square-shaped ones. You can add a special touch to an older house by using octagon-shaped units, or other designs like pentagons and half moons.

Before you buy a skylight, measure the area of your roof that will be installed. Depending on how much light you want to let in, standard sizes range from 20″ x 34″ up to 52″ x 90″ so choose appropriately according to your needs.

You should also consider the type of material used to build a skylight. For example, vinyl is relatively lightweight and easy to put up. However, glass is more expensive and can withstand temperature fluctuations. Be aware of the environment and what it is like to snow, before you decide on the right material.

Take the time to look into different types of lighting or shades that may complement your skylight. These options allow you control the amount of natural light entering through the window. They also reduce heat gain and loss from outside weather patterns. When choosing the best skylight for your home, consider all of these factors. This will ensure that you have a space that is beautiful and functional.

Did you miss our previous article…