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A NO FLOAT
The letter A indicates that no additional boarder is required, be it with a mat or floating. The drawing is created with the appropriate boarder surrounding the image. In most cases, the sizes of these drawings would indicate no hinging is required.
It is important to note that the rabbet of the frame requires a barrier between the frame and artwork. If this is not addressed, the edge of the drawing will be discolored over time as the acid from a wooden frame migrates to the drawing's edges, discoloring the edge of the drawing over time and will result in damage to the drawiing that will need to be addressed by a paper restoration professional. This format requires that a spacer is installed to lift the acrylic or glass away from the surface of the drawing by 1/2 in./1.27 cm.
B FLOAT
The letter B indicates that an additional boarder (Rising white or warm white) is required, it is inappropriate that the boarder be created with a mat. These drawings are created with boarders that vary with the size of the drawing. The drawing used as an example below has a 1 in./2.58 cm. boarder. The additional and appropriate float space would be 1 1/2 in./3.81 cm. This would account for the rabbet width, leaving appoximatley 1 1/4 in./3.175 cm. visable. Generally, the float space/boarder would be 150% of the white boarder on the drawing. The floating format requires that a spacer is installed to lift the acrylic or glass away from the surface of the drawing, a minmum of 1/2 in./1.27 cm., above the highest opoint above the drawing. The spacer that lifts the acrylic above the drawing will vary in depth in relationship to the waves created during the creation of the drawing.
Hinging the drawing to an acid free backing (Rising white or warm white) requires a professional that is knowledgable with current preservation practices. If hinged in an inappropriate manner, this will result in damage to the drawiing that will need to be addressed by a paper restoration professional.
C FLOAT
The letter C indicates that an additional boarder (Rising white or warm white) is required, it is inappropriate that the boarder be created with a mat. These drawings are created with white boarders that 1/4 in./0.635 cm. The additional and appropriate float space would be 1 in./2.58 cm., This would account for the rabbet width, leaving appoximatley 3/4 in./1.905 cm. visable. The floating format requires that a spacer is required to lift the acrylic away from the surface of the drawing, a minmum of 1/2 in./1.27 cm. above the highest opoint above the drawing. The spacer that lifts the acrylic above the drawing will vary in depth in relationship to the waves created during the creation of the drawing.
Hinging the drawing to an acid free backing (Rising white or warm white) requires a professional that is knowledgable with current ppreservation practices. If hinged in an inappropriate manner, this will result in damage to the drawiing that will need to be addressed by a paper restoration professional.
D FLOAT
The letter D indicates that this is a never ending drawing project drawing. These drawings are without exception 9 x 9 in./22.86 x 22.86 cm, An additional boarder (Rising white or warm white) is required, It is inappropriate that the boarder be created with matting. These drawings are created with white boarders that are 1/4 in./0.635 cm. at minimum. The additional and appropriate float space would be 1 1/2 in./3.81 cm., with a 1 1/4 in./3.175 cm. visable, thus requiring, a 12 x 12 in./30.48 x 30.48 cm. frame size The floating format requires that a spacer is required to lift the acrylic away from the surface of the drawing, a minmum of 1/2 in./1.27 cm. above the highest point above the drawing.
Hinging the drawing to an acid free backing (Rising white or warm white) requires a professional that is knowledgable with current ppreservation practices. If hinged in an inappropriate manner, this will result in damage to the drawiing that will need to be addressed by a paper restoration professional.
If there is no indication on the back of the drawing re a framing/presevation suggestion, please contact suzanne@samstill.com