And what you can do about it (without tearing your house apart).

Is your home secretly leaking heat – and money – through the walls, windows, and roof? You might not notice it at first, but there are some clear signs that your insulation isn’t doing its job.

Here are 5 common warning signs that your home is losing heat – and how to fix them smartly.

1. Cold Spots on Interior Walls

You know the feeling – one part of the wall is warm, but another feels icy cold to the touch. That’s not just bad luck. It’s likely caused by poor or missing insulation, or cold bridging.

➡️ Fix it: Apply a thermal insulation coating like BlockTherm to create a warm surface layer and reduce heat loss – without major renovation.

2. Constantly Running Heating System

If your boiler or radiators never seem to take a break, it’s a sign your home can’t hold onto warmth. Heating escapes faster than it can build up.

➡️ Fix it: Improve heat retention with smart insulation – not just in walls, but also at the surface level, where BlockTherm helps reflect radiant heat back into the room.

3. Condensation on Walls or Windows

When warm indoor air hits a cold surface, you get condensation. And where there’s moisture, mould isn’t far behind.

➡️ Fix it: Keep interior surfaces warmer with microsphere-based coatings like BlockTherm – they reduce condensation by raising surface temperature just enough to make a difference.

4. Uneven Room Temperatures

Is one room always freezing, even when the rest of the house feels fine? That room might have a poorly insulated wall, floor, or ceiling.

➡️ Fix it: Target specific problem areas with insulating paint – perfect for spot fixes when full-scale insulation isn’t an option.

5. High Energy Bills

This one speaks for itself. If you’re paying more but still feeling cold, your home is leaking heat somewhere – and fast.

➡️ Fix it: Combine energy-conscious heating habits with internal thermal upgrades, like applying BlockTherm to key internal surfaces.

Don’t just heat your home – help it hold onto that heat.

Traditional insulation is essential, but surface-level upgrades like BlockTherm can make a noticeable impact – fast. Especially in older properties, small flats, or rooms that suffer from cold spots.

Think your home is losing heat?
👉 Start with the smart solution – BlockTherm.

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