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Why Installing an Antenna in Your Roof Space is a Bad Idea.

Some homeowners install their TV antenna inside their roof space, thinking it will protect the antenna from the weather. While this might seem like a smart idea, it often leads to poor reception, signal interference, and a shorter antenna lifespan.

Signal Quality Suffers

Roof materials like tiles, metal sheeting, and insulation can block or weaken TV signals. Unlike outdoor antennas, which have a clear line of sight to transmission towers, indoor roof-mounted antennas have to work through layers of obstruction, often leading to pixelation or signal dropouts.

Heat and Moisture Can Cause Damage

Roof spaces in Australia can reach extreme temperatures, often exceeding 50°C in summer—sometimes even hotter in some regions. This intense heat can damage internal antenna components and any amplifiers installed with it. Moisture from condensation can also lead to corrosion, further reducing performance.

Harder to Access for Maintenance

If something goes wrong with a roof-mounted antenna, getting to it can be difficult. Unlike an external antenna, which is easy to access for servicing or adjustments, a roof space installation requires crawling through insulation and wiring—something best avoided.

Electrical Interference

An antenna placed inside a roof is more likely to pick up interference from electrical wiring, appliances, or even solar inverters. This interference can result in a poor-quality signal, making your viewing experience frustrating.

The Best Solution? An Expert Installation from Jim’s Antennas

For the best TV reception, an external antenna mounted on your roof or a mast is the way to go. At Jim’s Antennas, we know exactly where to position your antenna for the strongest signal, and we use high-quality equipment designed for long-lasting performance.


If your TV reception isn’t as clear as it should be, or if you suspect your antenna is inside your roof space, give Jim’s Antennas a call. Our experts can assess your setup and provide the best solution for crystal-clear TV reception.


To arrange your free onsite, no-obligation quote, call 131 546 or book here.

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