@MikeJhn it’s for my workshop, I estimate around 150 to 200 litre of paint based on rollering 10 litres. Cheapest quote for getting it done was c£3K! Hiring an airless is circa £150 for a week, and it could be full of dried paint!
The workshop is 1250 sqft with a vaulted ceiling
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it is worth understanding tip sizes to airless spraying
in simple terms they are usually designated ike this
4-11
5-13
5-17
the first number is the angle eg 40 deg 50 deg etc
the second number is the orifice size in thous
I used to use a 4-11 tip for spraying joinery, but for emulsion on walls you probably want more like a 5-15
if the fan pattern suffers tails top and bottom, the paint may be too thick
Useful tips:
-get some cocktail sticks for cleaning around the tip
-and some sewing pins
-you can get broaches for cleaning but they are quite expensive and bend easily
-get some thinners to clean the gun (dont put through the pump)
-try and keep the paint clean dont let dust and stuff get in
-get a paint stirrer for a cordless and use it to m ix the paint thoroughly if all the solids have gone to the bottom
-make sure you have something to keep the can upright because as the can gets empty it can tip over or the suction wand falls out
-emptying routine:
1 take wand out of paint and put in water, take off tip and pump paint into can until it goes runny
2 continue spraying into bucket and maybe do another full bucket until its quite clean
3 then put spray tip back on and spray water though it for a while -this is a better way to clean it than soaking in thinners after