Recent content by jef rowland

i have a hypro 6500 with a 50 gal and a 100 gal tank. does anyone know why this wouldn't make a good roof set-up. it has a 5hp gas engine pushing it. i can get from 35 to several hundred psi and up to about 9 gpm. i thought i'd just see if anyone had ever used one for that aplication. i...

i've been cleaning driveways and sidewalks without using chemicals. i've just been using a surface cleaner. it's 4000 psi and 4 gpm on a drive the otherday i noticed stripes in it after it dried. the grout was worn down. should i be using a chem like hypo or caustic or should i be using less...