backerboard

1. A board used behind or under other material, often as support.

   (злічуване, незлічуване)Boards used as underlayment for tile, plaster, or other materials.

2. (злічуване, незлічуване)A sacrificial board placed behind or under a board being drilled or sawn, so as to prevent blowouts. (Usually scrap ends reused for such purpose.)

3. (злічуване, незлічуване)Sheets of cardboard or similar material used to preserve or display books, magazines, art prints, etc.

правильне

• backer boardalternative