Warm, dry living room with a wooden floor above a sealed subfloor

Underfloor insulation and moisture barriers

Warmer floors, drier rooms.

Healthy, dry underfloor spaces make warmer homes. We create the barrier between cold, damp ground and the comfort you feel every day.

Warmth you can feel. Protection you can trust.

Subfloor with a new ground moisture barrier laid between concrete piles
Comfort above
Healthy air
Dry and protected
Cold, damp ground

The proof is below

What you can’t see is exactly what keeps your home warm, dry and healthy.

The proof is below

What you can’t see matters most.

We seal, protect and insulate your underfloor space so your home stays warmer, drier and healthier for years to come.

  • Reduces rising damp and musty smells
  • Helps stop heat loss through the floor
  • Protects your home’s structure long-term
See how it works →
Ground moisture barrier sealed around subfloor piles

The comfort ladder

Better above, because it’s better below.

Warmer floors

Keep heat in and cold out for cosy rooms year-round.

Healthier homes

Reduce moisture, mould and allergens for cleaner air.

Drier spaces

Stop dampness at the source and protect your home.

Stronger building

Protect timber and structure from rot and decay.

Our service, layer by layer

Our process. Your comfort.

We make the hidden parts of your home work better, so you feel the difference every day.

Our services →
01

Inspect and assess

We get under your home, check the subfloor and recommend the right solution.

02

Seal and protect

High-quality ground moisture barriers installed to stop rising dampness.

03

Insulate

Underfloor and ceiling insulation installed to keep warmth in and cold out.

04

Healthier home

A warmer, drier, healthier home for you and your whanau.

Why Wellington trusts us

Careful, tidy work you can stand behind.

We are a Site Safe member and a local Wellington team. We treat your home like our own and recommend only what it actually needs.

30 %

of a home’s heat can be lost through a cold, uninsulated subfloor.

Site Safe membership certificate for Wellington Moisture Barriers

Warmer floors start with a free assessment

Book a free underfloor assessment and we will tell you exactly what your home needs, with no pressure.

Get a free underfloor assessment →