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Flora Danica
Kongsbjerg 15
6640 Lunderskov
Denmark
Phone: +45 76 84 03 00
Email: info@floradanicadyner.dk
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What is fill power?
Fill power is an expression of the down’s insulating ability and quality. A high fill power means that the fill is light and airy and insulates well because it contains a lot of air – and it is the air between the down that keeps you warm underneath the duvet. The lower the down quality, the lower also the fill power and the ability to insulate. If treated properly, good raw materials can preserve their fill power for many years.
How to measure fill power
Prior to 2019, fill power was measured on a scale up to 13, with 13 being the best and most isolating. This measurement method has now been updated to match the fill power known from sleeping bags and down jackets. The change means that in the future there will be a new fill power on the products.
Now the fill power will be measured on a new scale up to 900. Although the fill power is now called something else, it is exactly the same products in question.
An example of this is a 90% European muscovy down which previously had a fill power of 11. In the future it has a fill power of 725. But the filling (the down) is completely the same.
Do I have to wash my duvet and pillow?
It is not necessary to wash them, but if they get dirty, they can easily be washed without a problem. If you are allergic, it is a good idea to wash them at 60 degrees. Just follow the instructions on the label.
See more about washing of duvets and pillows here.
Can I use ordinary washing detergent to wash my down duvet?
No, you must always use an enzyme-free detergent because the down will otherwise lose their fill power, and the duvet or pillow will become flat and unusable.
If I have allergies, can I still sleep with a down duvet?
Contrary to many myths, the term ”down or feather allergy” does not exist. This is why doctors do not run such tests when testing different allergic reactions.
Amongst them, the allergy to house-dust mite is the one that is most often associated with the bedroom. The main problem is the house-dust mite which thrives in warm and moist places. Read more about allergy and duvets here.
It is the excretions of the house-dust mite that some allergic people cannot handle. This is why you should always look for duvets bearing the NOMITE mark.
How long should my duvet be?
It is recommended to use a duvet that is approx. 30 cm longer than your height. The dividing line of whether to choose a standard or an extra long duvet is persons between 170 and 180 cm tall.
If the duvet is too short, your feet or shoulders might be cold.
Is it best to air your duvet in the sunshine?
NO. You should air both your duvet and pillow as often as possible, but always with their case on and never in direct sunlight or bad weather as this can damage the natural lanolin-type layer (fat layer) that protects the down and the feathers.
Is it a good idea to choose a double duvet?
A double duvet is a good idea only if you and your partner have the same heat needs. It is no good if you are sweating and your partner is freezing.
Does a bedspread have to be used to protect the duvet?
No, in any case not immediately after you get out of bed. Since a down duvet has a unique capacity to absorb moisture, the duvet will be moist when you get out of bed. This is why you should leave the duvet without a cover for 3-4 hours to allow the moisture to evaporate.
If you place a bedspread on the duvet immediately, the moisture will not be able to evaporate, the down in the duvet will remain damp and their capacity to keep you warm at night will deteriorate.