Crawl space floor insulation by 123Isolatie
When the underside of the floor is insufficiently insulated, heat can escape into the crawl space. We first assess the floor and crawl space, then choose the material and method that fit best.
From €24,- per m²
A cold floor can have a big impact on comfort in a home. When the underside of the floor is insufficiently insulated, heat from the home can escape into the crawl space. That can make the floor feel cold and force the heating system to work harder.
With floor insulation on the underside of the floor, the home is better protected against heat loss through the crawl space. At 123Isolatie we first assess the existing floor and crawl space. Based on that, we determine which insulation material and method fit best.
Our approach is simple: careful workmanship, efficient insulation, and high-quality materials at a fair price.
The floor is in direct contact with the cold space above or under the crawl space. Without proper insulation, heat can easily escape through the floor.
By insulating the underside of the floor, heat flow toward the crawl space is limited.
Floor insulation can contribute to:
With floor insulation, insulation material is installed against the underside of the floor in the crawl space.
The insulation layer creates a thermal separation between the home and the cold crawl space. As a result, heat stays inside longer.
Correct installation matters. Seams, connections, pipes and other obstacles should be handled carefully to limit heat loss and thermal bridges.
Conditions in the crawl space also play an important role.
A damp crawl space can affect the floor structure and indoor climate. That is why we check in advance:
At 123Isolatie we work with several insulation materials. The best choice depends on the existing floor, available space and desired insulation value.
PIF is a multi-layer insulation solution with reflective layers and air layers. It can be interesting when there is relatively little space under the floor. Performance depends on the full build-up and correct installation of the system.
PIR is an insulation material with high performance at a relatively low thickness. That makes PIR interesting when a high insulation value is desired, but space under the floor is limited.
TONZON is an insulation system that uses thermos cushions, among other components. It can be applied to the underside of the floor and is designed to reduce heat loss through the floor.
IsoBooster is a reflective insulation system that can be applied to the underside of a floor. The material consists of multiple layers and is designed to limit heat transfer.
There is no single floor insulation material that is best for every home. The choice depends on:
01
We review height, accessibility and the overall condition of the crawl space.
02
We assess the floor type, underside and any existing insulation.
03
Based on the situation, we determine which solution fits best: PIF, PIR, TONZON or IsoBooster.
04
The insulation material is installed accurately against the underside of the floor. We pay attention to seams, connections and obstacles.
05
After the work, we check the insulation layer and deliver a clean finish.
At 123Isolatie we don’t only look at price — we focus on the solution that technically and practically fits your home best.
Our approach is based on: the right inspection + the right material + correct installation + careful finishing.
Whether you choose PIF, PIR, TONZON or IsoBooster, we look at your crawl-space situation and find the most suitable solution.
A well-insulated floor is an investment in your home and living comfort.
123Isolatie: careful, efficient and focused on high-quality floor insulation at a fair price.
Find out which insulation step delivers the most for your home — personal and non-binding.
100% free consultation
