Airtightness Might Not Be the Most Glamorous Part of Building… But It’s One of the Most Important

When people think about building an energy-efficient home, they often imagine solar panels, big windows, and sleek insulation. What they don’t picture is someone carefully sealing up every little join, corner, and gap with specialist tape.

But here’s the truth – airtightness is one of the most critical parts of creating a comfortable, energy-efficient home.

What Airtightness Actually Means

Airtightness is about controlling where air comes in and goes out of your home. Every small gap around a window, door, or wall junction is a pathway for heat to escape in winter and sneak in during summer. Those gaps also let draughts, dust, and moisture move through your home, making it harder – and more expensive – to keep a consistent temperature.

Why Proper Taping Matters

In our build, we’re using specialist airtightness tapes to seal all those joins. Unlike general-purpose tape or quick fixes, these products are designed to:

• Create a continuous, long-lasting seal
• Stick to different surfaces, even tricky ones
• Flex with the building over time so they don’t peel or crack
• Maintain performance for decades

Once the plasterboard goes up, you’ll never see this work again – but it will keep making a difference every single day you live in the home.

The Benefits You’ll Feel

You might not notice airtightness visually, but you will notice the results:

• A warmer home in winter without cranking the heater
• A cooler home in summer without overusing the air conditioner
• Lower energy bills all year round
• A more comfortable, draught-free living environment

It’s the kind of detail that separates a good build from a great one – and it’s worth every bit of time and effort during construction.

Follow me on Instagram @katrinas_instagram for more behind the scenes of my new 8-star build.