Foundation formwork

A foundation formwork comprising:

• a metal frame having a rectangular frame shape;
• and
• a resin faceplate attached to the metal frame and closing an opening of the metal frame;
• wherein the metal frame has a first fitting part being one of a pair of fitting parts fitted with each other, and the resin faceplate has a second fitting part being another one of the pair of fitting parts;
• and
• wherein the metal frame has:
• a pair of left and right frame bodies facing each other in a horizontal direction when put on a ground;
• a pair of upper and lower frame bodies facing each other in a vertical direction when put on the ground;
• and
• a bridged body bridged between the pair of upper and lower frame bodies along the left and right frame bodies, the bridged body being the first fitting part,
• the resin faceplate has:
• a faceplate main body having a plate shape;
• and
• a protruding body protruding from a main surface of the faceplate main body, and
• the second fitting part is a slit provided from one end to another end of the protruding body and configured so that the bridged body is fittingly insertable from a side of the one end.