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Forum topic by Mary Anne posted 1256 days ago 2622 views 1 time favorited 32 replies Add to Favorites Watch
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Mary Anne

1057 posts in 1793 days


1256 days ago

Topic tags/keywords: question hvlp

I’m going to need to do some spray finishing of some cabinets, and probably a sealer on on my cedar T&G walls and ceiling in my hot tub room. HVLP seems to be the current “Big Thing.” From what I have read, I think a good HVLP system would work for both small jobs and fairly large like my walls. Is that correct?

Woodworker’s supply has the Earlex HV5000 on sale for $299. This seems to be a pretty good price for the “system” which includes a 1.5mm nozzle, plus some strainers and tack cloths. I would appreciate if anyone can advise me if the Earlex 5000 suit my needs. If not, can you suggest something better in a similar price range? Are there any other necessities I would need to pick up?

Thanks so much!


32 replies so far

View CharlieM1958's profile

CharlieM1958

15623 posts in 2802 days


#1 posted 1256 days ago

Mary Anne, it is my understanding that the main advantage to those HVLP turbines is that they provide a constant supply of air, which is something a small compressor can’t do. However, if you happen to have a large compressor already, you may just need a spray gun.

-- Charlie M. "Woodworking - patience = firewood"

View Wes Giesbrecht's profile

Wes Giesbrecht

153 posts in 1395 days


#2 posted 1256 days ago

I’ve had a Fuji HVLP for about 11 or 12 years and used it a lot.
It takes a bit of practice. Instant perfection is not guaranteed and different finishes
are applied differently.
Unless the newer systems have been improved and I’m not aware of it,
the gun gets very hot during use. Quite uncomfortably so.
You many actually need to wear gloves.

Not sure why you’d want to seal the cedar in your hot tub room?
Isn’t it typically left raw?

Whatever you do, the best bit of advice I can give you is, keep your gun sparkling clean.
On the inside I mean. Take it down completely and clean it thoroughly after every use.

-- Wes Giesbrecht http://www.wesgiesbrecht.com/index.htm

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Mary Anne

1057 posts in 1793 days


#3 posted 1256 days ago

Thanks, Charlie! Maybe I need to educate myself better. I already have a big compressor and a regular spray gun, but I got the impression somewhere that HVLP was in some way superior. I’d love a discussion of the pros and cons of each system.

View patron's profile

patron

12947 posts in 1925 days


#4 posted 1256 days ago

hvlp has it hands down over air spray any day

i have a croix system
(came with the buy-out of a shop)

just keep it clean

larry has the earlex i believe
and loves it

they still do put over-spray in the air
so masking is important
but waste much less
than conventional air spray

-- david - only thru kindness can this world be whole . If we don't succeed we run the risk of failure. Dan Quayle

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Mary Anne

1057 posts in 1793 days


#5 posted 1256 days ago

Thanks, Wes. I don’t mind a learning curve. Or I wouldn’t have taken up woodworking at this late stage in my life. :) I’m sure when it comes time to use it, I’ll be back looking for more advice. Keeping it clean and good maintenance is good sense… I’ll keep it extra, extra clean!

About the cedar, I don’t know… crazy contractors around here (I’ve fired a few) insist that the cedar needs to be sealed. I was thinking, at most, that I might give it an occasional coat of linseed oil. Haven’t decided yet.

View CharlieM1958's profile

CharlieM1958

15623 posts in 2802 days


#6 posted 1256 days ago

David, I really don’t know that much about spraying, so I’m taking you at your word. But I thought you could buy an HVLP spray gun and furnish your own air source. See the link below:

http://www.woodcraft.com/Product/2021128/25126/WoodRiver-Pro-HVLP-Spray-Gun-with-600cc-Plastic-Cup.aspx

I have one of these, and it works great. The only problem is that my small compressor can only keep it going for a short time before I have to stop and let my air tank rebuild pressure.

-- Charlie M. "Woodworking - patience = firewood"

View Wes Giesbrecht's profile

Wes Giesbrecht

153 posts in 1395 days


#7 posted 1256 days ago

I found the hardest part of using the HVLP turbine type system, getting used to moving slowly
with a steady hand. On large projects, the heat and the heaviness of a full pot make it so tempting to speed up and then you underspray.
Also, the noise got to me. I solved that by putting the turbine in the crawl space under my shop and leading the air hose up thru a hole I drilled in the floor. I turn it off by unplugging it.

-- Wes Giesbrecht http://www.wesgiesbrecht.com/index.htm

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patron

12947 posts in 1925 days


#8 posted 1256 days ago

charlie
they do have a ‘cross-over’ gun
i have never used one

as i understand it
the turbine heats up the air it uses
and therefore the finish as well
making it smother to apply
and to dry faster

and yes the turbine supplies constant flow presure
and only enough to get the finish out
not blasting it everywhere
a good compresor and regulator
will do the same with the cross-over gun

i just like that the HVLP is always ready
and the right pressure when ever i need it
i spray on my back porch
and can go back to the shop
and use the regular air as needed there
while the finish is curing on the porch

MA
i never heard of covering the cedar with anything
in a sauna
something about the wood
and the steam working together
maybe more google will help in that

-- david - only thru kindness can this world be whole . If we don't succeed we run the risk of failure. Dan Quayle

View Loren's profile

Loren

7154 posts in 2232 days


#9 posted 1256 days ago

yeah – they are loud. It sounds like the most obnoxious shop vac. Mine
does anyway.

HVLP is slower than high pressure spraying like from a can so you have to
learn to take your time.

-- http://lawoodworking.com

View Wes Giesbrecht's profile

Wes Giesbrecht

153 posts in 1395 days


#10 posted 1256 days ago

High pressure from a can? This is news to me :-)

-- Wes Giesbrecht http://www.wesgiesbrecht.com/index.htm

View CharlieM1958's profile

CharlieM1958

15623 posts in 2802 days


#11 posted 1256 days ago

Thanks, David. I was not aware of the heat factor.

-- Charlie M. "Woodworking - patience = firewood"

View Mary Anne's profile

Mary Anne

1057 posts in 1793 days


#12 posted 1256 days ago

I can’t imagine it being louder than my compressor, but I’ll include hearing protection in plans. :)
The weight sounds like it could be an issue, but it wouldn’t be any heavier than my conventional spray gun, would it?

What about spraying—with either system—in my cold garage? I can probably get it warmed up to maybe 45-50º. The humidity is probably high in there, too. Would this just slow down the drying time or are there other issues spraying in cold, damp conditions? The reason I ask is that the guy I let build these cabinets and doors the first time around (I just fired his butt a few minutes ago) aimed a heater directly at the doors after he sprayed… I think this was a factor in the doors warping so much.

View Wes Giesbrecht's profile

Wes Giesbrecht

153 posts in 1395 days


#13 posted 1256 days ago

Typically warm air holds more moisture than cold.
Personally I wouldn’t spray anything I cared about in less than 65º or so.
But then, I try very hard never to be in indoor situations much less that 70º.

-- Wes Giesbrecht http://www.wesgiesbrecht.com/index.htm

View Billp's profile

Billp

784 posts in 2784 days


#14 posted 1256 days ago

i have a fuji and it works great, it doesn’t get hot it’s one of the newer styles. It is also not very loud. I think apollo is also a good system. i saw a video with Charles Niel using an earlex and it did a great job. My theory is best the best you can afford at the time.

-- Billp

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Billp

784 posts in 2784 days


#15 posted 1256 days ago

i have a fuji and it works great, it doesn’t get hot it’s one of the newer styles. It is also not very loud. I think apollo is also a good system. i saw a video with Charles Niel using an earlex and it did a great job. My theory is best the best you can afford at the time.

-- Billp

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