backing board
[ˈbækɪŋ bɔːrd]
nounpl: backing boards
placa de suporte
1. A sturdy board or panel placed behind or underneath something to provide support, reinforcement, or stability
The framer used a backing board to support the delicate artwork.
O moldureiro usou uma placa de suporte para reforçar a obra de arte delicada.
2. In construction and carpentry, a board that serves as a base or foundation for attaching other materials
A backing board was installed behind the drywall for added strength.
Uma placa de suporte foi instalada atrás da placa de gesso para maior resistência.
3. In picture framing, a rigid support panel placed at the back of a frame to hold materials in place
The backing board prevents the matted print from shifting inside the frame.
A placa de suporte impede que a gravura moldada se mova dentro da moldura.
The term is primarily used in professional and technical contexts such as framing, construction, and carpentry. In Brazil, this is more commonly heard in specialized workshops and among craftspeople. The concept is universal across English and Portuguese-speaking countries, though terminology may vary slightly by region and industry.
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