No Sew Drop Cloth Slipcover - Measure the sectional lengthwise to know how many dropcloths you'll need. For example, a sectional that has a section and a section would require roughly two dropcloths
JPT this looks like the way for drop cloth loose fit and less Shabby Jen: No Sew Slip Cover - just in time for the Holidays!
DIY No-sew drop cloth rosette headboard slip cover
No pictures but no sew couch cover
No Sew Sofa Makeover How to Cover a Sofa with fabric / drop cloth « Coastal Vintage Shop, Beachy & Coastal Decorating Coastal Vintage Shop, Beachy & Coastal Decorating