Insulation Types Compared
Which insulation is right for your home or business?
Choosing The Right Insulation: Spray Foam vs Cellulose vs Fibreglass Insulation
Choosing insulation isn’t just about cost — it’s about performance, comfort, safety, and longevity.
At Lovinsulation, we install three main insulation types:
- Spray Foam Insulation (Open-Cell & Closed-Cell)
- Cellulose Insulation
- Fibreglass Insulation
Each has its strengths, ideal uses, and considerations. Below, we compare them so you can make an informed decision.
Quick Insulation Comparison Table
| Feature | Spray Foam (Open-Cell) | Spray Foam (Closed-Cell) | Cellulose | Fibreglass |
| Thermal Performance | ★★★★☆ | ★★★★★ | ★★★★☆ | ★★★☆☆ |
| Air Seal | Excellent | Excellent | Very Good | Fair |
| Moisture Resistance | Moderate | Excellent | Moderate | Low |
| Soundproofing | Excellent | Good | Excellent | Good |
| Eco-Friendliness | Moderate | Moderate | Excellent | Low |
| Installation Areas | Attics, walls, ceilings | Walls, roofs, industrial, exterior | Attics, walls, floors | Attics, walls |
| Durability | 25+ years | 25+ years | Lifetime of building | 15–20 years |
| Grant Eligible | Yes | Yes | Yes | Yes |
When to Choose Each Type of Insulation
Spray Foam Insulation
Best for:
- Homes needing airtight sealing to stop draughts.
- Irregular shapes and hard-to-reach areas.
- Situations where moisture protection or extra structural support is required (closed-cell).
Key Benefits:
- Exceptional thermal and sound insulation.
- Prevents air leakage.
- Long-term investment with no deterioration.
Cellulose Insulation
Best for:
- Eco-conscious homeowners.
- Properties needing soundproofing as well as thermal performance.
- Attics, lofts, walls, and floors in both new builds and retrofits.
Key Benefits:
- Made from 85% recycled materials.
- Excellent at filling every gap and crevice.
- Regulates humidity naturally.
- Perfect for those hard-to-reach spaces!
Fibreglass Insulation
Best for:
- Lower upfront budget projects.
- Large attic or wall spaces where cost efficiency is a priority.
- Homes where speed of installation is key.
Key Benefits:
- Affordable and widely available.
- Good thermal performance when installed correctly.
- Non-combustible.
Pay in instalments over 12 months or 18 months with Humm.
Which Type of Insulation is Right For You?
If you’re unsure which insulation type is best, we’ll guide you — honestly and without pressure.
We don’t believe in one-size-fits-all.
Our process ensures you get the right insulation for your property, your budget, and your goals.
Request A Quote Now
Upgrading your insulation could slash your heating bills and make your home more comfortable year-round. Fill out the form below for a free, no-obligation quote today.