NBframe is an innovative aluminium stretcher bar system for professional artists, museums and restorers. Its patented design creates a perfect framework for canvas stretching, free from deformation, twist and warp caused by humidity or dryness.
The inner aluminium structure is made of premium grade aluminium and provides for optimal structural integrity and stability. The FSC certified outer wood profile is shaped to smoothly guide the canvas along the flexible edge and allow for easy back stapling of the canvas. The flexible outer wall absorbs excess tension and ensures evenly and consistently stretched canvas.
The frame pieces are mounted together with strong double-plate corner brackets that can be secured into the frame channel to ensure a perfect 90-degree corner and avoid movement.
Crossbars are used in frame sizes above 120 cm (47 1/4 in) length and can be placed even after the frame is completely assembled and the canvas is stretched, a unique nbframe feature. Strong crossbar clips are used to snap the bar into place and metal plates allow for custom stretching.
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