GO:0036060

The aggregation, arrangement and bonding together of a set of components to form a slit diaphragm, specialized cell-cell junction found between the interdigitating foot processes of the glomerular epithelium (the podocytes) in the vertebrate kidney, which is adapted for facilitating glomerular filtration. [GOC:mtg_kidney_jan10, GOC:rph, PMID:20633639]