Is Floor Insulation Worth It

Slabs of mineral wool or polystyrene can be used for this.

Is floor insulation worth it.

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. My question is whether it s worth adding the 12mm of celotex. The house has insulation in the roof and double glazed widows so thats the main culprit for transfer of temperature from outside to inside. Underfloor insulation or simply floor insulation is a different beast however.

I was thinking of adding 12mm of celotex followed by 18mm tongue and groove chipboard and then 18mm wooden floorboards on top of that. Underfloor insulation can take a variety of forms. 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 illustration above is a typically method of insulating.

So the simple answer is yes it is worth insulating under the floor boards. 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. In this case the insulation would typically be a quilt type such as mineral wool sheep wool or hemp. Even if you already have loft insulation in place it may be worth checking whether you have the recommended levels installed.

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 m looking into laying floorboards in my lower ground floor flat where room height is a bit of an issue. 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 problem is that unless you have space to get under the floor boards it means taking the floor boards up.

You might be thinking that its not worthwhile insulating the floor on your camper van conversion. And it s only worth digging out the floor if you re undertaking a major renovation. I think this would be a mistake. Generally speaking you only need to insulate the ground floor.

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. For homes without basements and those with unheated cellars adding insulation can bring heating costs. Floor insulation can cut your heating bills. The limiting u value the maximum u value.

Insulation projects are often focused on exterior walls and attics. At the moment it s a concrete floor. This question came up on the promaster forum the other day with some opinions on both sides. Insulating your ground floor is a great way to keep your property warm.