ISOTHERMLUXEfficient solutions

Attic insulation

Attic Insulation with Polyurethane Foam

The undisturbed attic is the cold winter coming down into the rooms beneath it and the suffocating heat of summer. A single polyurethane foam application solves both problems over 25+ years.

We choose the right type of foam

We use exclusively high-quality polyurethane foam in two variants, each optimized for specific conditions.

Closed Cell

High density, waterproof. Ideal where there is contact with humidity or high mechanical resistance needs.

  • ✓ 100% waterproof
  • ✓ Higher R-value (6.5/inch)
  • ✓ High mechanical strength
  • ✓ Ideal for foundations, exterior applications and tanks
Open Cell

Ușoară și flexibilă, permeabilă la vapori. Excelentă pentru izolație fonică și spații interioare.

  • ✓ Excellent sound insulation
  • ✓ Very lightweight
  • ✓ Vapour permeable
  • ✓ Ideal for lofts, interior walls and attics

Why Polyurethane foam?

Underneath room warmer winter

insulating the floor or ceiling of the roof space, the room below it is 4-6°C warmer.

Colder summer

The foam reflects and absorbs the heat of the sun. Stop sweating on the top floor.

Quick and clean application

The attic is insulated in a few hours. No dust, no demolitions.

Coverage on irregular structures

rafters, beams, corners — the foam perfectly covers any geometry.

Sound insulation included

The rain on the roof is no longer heard. Complete silence.

Guarantee 25 years

You never re-solve again. Definitive solution.

Types of Projects

Unfurnished attic space

insulate the floor of the roof space. The room below is immediately warmer.

sub-roof space in the Furniture Course

We insulate the roof of the attic space to turn it into a living room.

attic space with Limited Access

Foam also applies in hard-to-reach spaces. Full coverage.

Industrial attic space

Industrial warehouses and buildings with high deck space. Huge savings in air conditioning.

attic space with Installations

Foam surrounds pipes and cables. Thermal and mechanical protection.

attic space Mansardat

Transforming the attic space into comfortable living space.

Frequently Asked Questions

Is it better to insulate the attic or the roof?

The unfurnished attic — insulate the floor of the attic space (cheapest).

Do I have to clear the attic forward?

A basic cleaning is helpful, but not mandatory. Our team makes the necessary training.

Is the foam resistant to large temperature variations in the attic space?

Yeah. Polyurethane foam resists temperatures from -40°C to +100°C. The attic is a perfect environment for her.

insulate the attic Now

Free on-site evaluation. Offer in 24 hours. Guarantee 25 years.

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