Browse Forums Landscape & Garden Design 1 Dec 28, 2019 6:16 pm Anyone had any experience doing this? I've read so many mixed things about using crusher dust (cracker dust, crushed blue metal) for underlay. the leaves that are now underground go yellow, the tips that poke through photosynthesise and have chlorophyll, same reason they grow rhubarb in the dark. 5 4892 Hi l plan to install a self adhesive vinyl plank floor. l first need to attach masonite boards underlay to by plywood subfloor of my house. What size nails and how many… 0 8379 Jimbo73 I would use heaps of adhesive on each sheet and screw rather than nail. use as many as you like cheers Simeon 1 4074 |