Fine tune the blade crown (fill depth) with the adjuster thumb screws. Once again why do you coat over wet mud? What good does hat do? Do you Che cook for a dead flat fill coat over the bands?
look at drywall whole sale stores building material stores that specialize in drywall. theyll have it. expect to pay about 1500. or up. must have high powered drill for mixing and mixing wipes. depending where you live 500 for the box or 250. same roughly for the box handle with gripping vise grip to hinge mechanism. an expect to pay for pump 250 to 500. and 10 inch and 12 inch box. usually what you want so thats about 500 to 1000. so about 2200 for mixing drill mixing whip 10 inch mud box 12 inch mud box specialty handle and mud pump.
pawn shops might havem used. look at brand new ones. how they function. an investigate any damages to used ones carefully. but mixing drills for drywall mud might be able to get those at pawn shops. makita or dewalt hilti Milwaukee. look that up. cause those tools you want mud thouroughly mixed zero clumps. and the water consistancy to use to mix it so box functions at its best is 1000ml water to 2000ml or 2250ml to 2350 ml. mud box mud should look like almost like in between a super thick milkshake and soft ice cream thats melted abit. like wendys frosty cups. but you want to see less of the grainny tead. and kind of shiney watery tead. i use a columbia 40 inch tube that hold 2000ml water. and some times a half cup or cup of water. oh and add half cup of liquid dish soap or 3 to 4 ounces. so roughly 2000ml and half cup of water. half cup of liquid dish soap or 3rd. this will get rid of pin holes. if walls have a bit humidity content. pinch the handle on pole to adjust angle you want box to put onto wall an as soon as your ready to start lean onto pole like hockey stick thumbs facing eachother. an as soon as you move release box pole handle and when meeting up from corners stop a foot out. again after you start press hanlde tight correct angle of box. an when you start release handle but when you meet up where you left off. as you come 4 inches from other edge of mud where you left off start pressing that handle and pick up wheels 1 inch from wall and follow through 6 inches into other mud trail. so blade on box tightens up and you wont have big edges of over lap. so remember that before moving box tight to wall release handle on pole. but when your about to stop 4 inches before you stop pinch pole handle tight again but lift wheels off 1 inch and follow through 6 inches.
