Generally speaking you only need to insulate the ground floor.
Is floor insulation worth it.
The complete guide to renovating a house the importance of insulating floors.
Even if you already have loft insulation in place it may be worth checking whether you have the recommended levels installed.
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.
Insulating your ground floor is a great way to keep your property warm.
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.
While insulating these areas is important homeowners can also save money on their heating and cooling costs if they insulate the space under their floors.
In this case the insulation would typically be a quilt type such as mineral wool sheep wool or hemp.
So the simple answer is yes it is worth insulating under the floor boards.
My question is whether it s worth adding the 12mm of celotex.
I have also been considering the benefits of laying an engineered wood bamboo floating floor over it if the insulation benefits are comparable also.
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.
The house has insulation in the roof and double glazed widows so thats the main culprit for transfer of temperature from outside to inside.
And it s only worth digging out the floor if you re undertaking a major renovation.
This question came up on the promaster forum the other day with some opinions on both sides.
You can retrofit floor insulation on top of a solid concrete base too but this will have an impact on floor height build up.
The limiting u value the maximum u value.
Slabs of mineral wool or polystyrene can be used for this.
I was thinking of adding 12mm of celotex followed by 18mm tongue and groove chipboard and then 18mm wooden floorboards on top of that.
I m looking into laying floorboards in my lower ground floor flat where room height is a bit of an issue.
Underfloor insulation or simply floor insulation is a different beast however.
Floor insulation is normally carried out by placing a layer of insulating material between floor joists.
These insulating materials trap heat and stop it from escaping.
The problem is that unless you have space to get under the floor boards it means taking the floor boards up.
At the moment it s a concrete floor.
Underfloor insulation can take a variety of forms.
The illustration above is a typically method of insulating.
You might be thinking that its not worthwhile insulating the floor on your camper van conversion.
Insulation projects are often focused on exterior walls and attics.
