Saien YELLOW For Floor you can use a single

you can use a single tatami mat by itself

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For airtight sealing of the vapor barrier sheet around pipe pass-throughs

What is “Seiryu”

Saien YELLOW For Floor you can use a singleTatami Mat "Saien" Dimensions: 0. 51" thick, 32. 3" x 32. 3" Packing material: Cardboard case Weight: Approx. 6. 61lbs per piece Base material: Insulation board Front surface: Japanese Washi paper fabrics Back surface: Slip proof sheet Formaldehyde regulations: Labeling exempted product Japanese Washi paper is used. This is not hand made Washi paper made of hybrid mulberry, oriental paperbush, etc. What is Saien? "Saien" uses two different colors for