DOWN FILL COMPRESSION TEST Goal: Test whether down fill can be compressed to half it’s full loft and retain the same R-value. Footnote conclusions: Down compressed down to 4″ has a significantly lower R-value than if it was allowed to expand to it’s full loft of 8″. Down compressed to 6″ has less R-value than it does […]
Drawcord footboxes have developed a reputation for being cold, but I feel it isn’t necessarily a shortcoming that is inherent to drawcord footboxes, but a shortcoming that is inherent to a certain design of drawcord footbox that happens to be the most common. The end drawcord. An end drawcord pulls the surrounding down in, but […]
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