My question is whether it s worth adding the 12mm of celotex.
Is floor insulation worth it.
At the moment it s a concrete floor.
I m looking into laying floorboards in my lower ground floor flat where room height is a bit of an issue.
The limiting u value the maximum u value.
Underfloor insulation can take a variety of forms.
Even if you already have loft insulation in place it may be worth checking whether you have the recommended levels installed.
You might be thinking that its not worthwhile insulating the floor on your camper van conversion.
These insulating materials trap heat and stop it from escaping.
Floor insulation is normally carried out by placing a layer of insulating material between floor joists.
I have also been considering the benefits of laying an engineered wood bamboo floating floor over it if the insulation benefits are comparable also.
For homes without basements and those with unheated cellars adding insulation can bring heating costs.
Underfloor insulation or simply floor insulation is a different beast however.
Insulating under floorboards on the ground floor could save you about 40 a year and you can seal the gaps between floors and skirting boards to reduce draughts.
Floor insulation can cut your heating bills.
I think this would be a mistake.
Generally speaking you only need to insulate the ground floor.
I did a little test on my van to try and see how worthwhile it is to insulate the floor and posted it on the forum its pasted in below.
In this case the insulation would typically be a quilt type such as mineral wool sheep wool or hemp.
The illustration above is a typically method of insulating.
Slabs of mineral wool or polystyrene can be used for this.
And it s only worth digging out the floor if you re undertaking a major renovation.
The problem is that unless you have space to get under the floor boards it means taking the floor boards up.
Failing to lay it can cause all sorts of nightmares further down the line and it s often been the root cause of many peoples disappointment with their underfloor heating installation.
This question came up on the promaster forum the other day with some opinions on both sides.
The house has insulation in the roof and double glazed widows so thats the main culprit for transfer of temperature from outside to inside.
The complete guide to renovating a house the importance of insulating floors.
So the simple answer is yes it is worth insulating under the floor boards.
I was thinking of adding 12mm of celotex followed by 18mm tongue and groove chipboard and then 18mm wooden floorboards on top of that.
Insulating your ground floor is a great way to keep your property warm.