Use single-sided columbarium models to accent walkways in outdoor gardens or use them indoors against free wall space in foyers, narthexes, and chapels. The 8 Column Single-Sided Memorial Columbarium holds between 40-216 niches depending on the niche configuration you choose. Total unit measures: 100-1/4"W x 26-3/4"D x 64-3/4"H.