That depends on your type of floor. For wooden floors, a crawl space is practical, but for concrete floors, insulation can also be installed directly underneath or on top of the floor.
InSuRoof
Roof insulation
InSuRoof is the perfect solution for insulating flat and lightly sloping roofs. These PIR insulation boards combine exceptional insulation value with dimensional stability, creating a continuous insulation shield. InSuRoof is the most sustainable choice for any roofing project. And, it is FM Approved!
Request a quote
For flat and lightly sloping roofs
InSuRoof PIR insulation boards combine exceptional insulation value with dimensional stability, providing an uninterrupted insulation shield. Ideal for mechanically fastened systems, loose-laid, glued, or ballasted roofing coverings. Made with partially recycled raw materials and coated with a gas-tight multi-layer aluminum covering, InSuRoof is the sustainable choice for any roofing project.
- High-quality PIR insulation with recycled materials
- Best price-quality ratio in the sustainable category
- Nearly fully recyclable with our waste collection at competitive rates
- Directly available from a Dutch factory with large stock capacity
Specifications & R-value
- Lambda value: 0.022 W/m.K
- Dimensions: 1,200 x 600 mm and 2,400 x 1,200 mm.
* Boards starting from 150 mm have a rabbet (functional size 2,385 x 1,185 mm) - Edge finish: Straight edges.
Frequently Asked Questions
Do I need a crawl space to install floor insulation?
Can I install floor insulation myself?
Yes, PIR boards are lightweight and easy to work with. Depending on the substrate and the application, they can be mechanically fixed or glued.
Can I install PIR boards myself?
Yes, PIR panels are lightweight and easy to work with. Depending on the application, they can be mechanically fixed or glued.
What is the difference between PIR and PUR?
PIR offers a higher insulation value at the same thickness, is more fire-resistant, and has better pressure resistance than PUR.
Is a subsidy available for roof insulation?
Yes, with an Rd-value of at least 3.5 you are eligible for the ISDE subsidy.
Can I install roof insulation myself?
Yes, PIR boards are lightweight and easy to handle. However, for subsidy eligibility a certified insulation company is often required.
Request a quote
An Out-of-the-Box Experience
Order your free sample box today and see for yourself tomorrow why insulation from Insus is the best choice
Request Sample Box






