Clean It Up
UK Floor Cleaning Forum => Carpet Cleaning Forum => Topic started by: Chris R on January 17, 2005, 10:09:57 pm
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Anyone got any? ;D
I have read other threads that mention the RH (relative humidity) of the room. How do we achieve the ideal drying atmosphere?
I find that getting some heat into the room, opening a window a bit, and moving a turbo dryer around works best.
Any more tips?
Chris
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Chris
What turbo dryer, have to admit never thought about opening a window to aid drying times.
Len
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Len,
As water evaporates from the carpet the RH (Relative Humidity) of the room increases.
As the air get closer to its' saturation point (100% RH), the evaporation rate decreases.
So simply speeding up evaporation by using an air mover is only hastening arrival at this point.
Increasing the temperature of the room will reduce its' RH, expelling the damper air (opening a window) can have the same effect.
The balancing act is between the two, on a cold day, expelling too much of the warm air can be counter-productive by reducing room temperature, closing the windows to keep in the heat also keeps in the moisture-laden air.
I find it useful to measure the RH of the outside air first, then transfer the meter to the work area where I can monitor any increase whilst cleaning is in progress.
Remember that any air expelled has to be replaced from somewhere - if this is warm, dry air from elsewhere in the building, fine - if it is damper air from outside, shut the window.
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Chris
Not wishing to sound obvious, but the biggest difference comes from the cleaning process :o Make sure you fill the "Cleaning Pie". For me, the biggest difference came with agitation. The right brushes on my Host machine and lots and lots of brushing. The rinse is then much quicker, easier and less water used. I think it was BaneClene who used to claim that every extra drying pass reduces dry time by an hour. A very experienced and respected occasional poster to Cleanitup told me that he makes 4 drying passes on carpets, even when using the most powerful truckmounts available. Obviously, the post cleaning techniques discussed here offer great benefits, but if the carpet has not been rinse/dried correctly, or there are practical considerations to exclude the use of blowers, then the job is so much harder.
Safe and happy cleaning :)
Ken
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I always use at least 4 drying passes too. I read the tip from the infamous Brian Tilton!
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John
You cover the drying process very well.
Is the RH a big factor at your location?
John
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John,
I feel that RH is an important factor anywhere.
By far the most important drying takes place within the first second of the water hitting the carpet, thereafter extraction passes are limited in effect by the laws of diminishing returns.
What follows is evaporative drying. Although no further soil is removed during this stage, the shorter the final dying period the happier the customer and the less the chance of complications such as shrinkage, mustiness etc.
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Hi
Found interesting artical about Drying Times on the following links,perhaps Doug or Ian could copy to this site.
www.magicwandco.com. ''articals/education'' The Drying game.
David Ware
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Dave
I prefer this http://www.cleanfax.com/article.asp?indexid=6632904
Len ;D ;D
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Hi Chris,
What I do is open as many windows as possible, and patio doors on a dry or dryish day. I always use a blower. On a wet day, I tell the owner to put the heating on, then open the doors and window every hour for a couple of minutes to allow the damp evaporated air to escape. Any longer than a couple of minutes I feel would allow the damper outside air to get in.
Dave.
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Dave,
Like other prorerties water/humidity will flow from a higher to a lower potential , which means that if the RH inside is higher than outside, then it is best to have the window open.
If however the RH outside is higher then you would find the moisture flowing in ,this is why fog is probably the worst drying day.
However it is complicated by the fact that warmer air will carry more moisture so that it is best to have the room as warm as reasonably possible but with some ventillation to allow the warmer ,higher RH air to flow out.
So in my view this comes back to the common sense approach of heating on , windows open but only slightly on cold wet days.
Cheers,
Doug
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Doug,
Yeah, you are right, when I am cleaning on a wet day I always have at least one window slightly open. When Ive packed uo I tell them what Ive already said about opening every hour. I get the impression that as soon as you are gone, they go round and shut the window anyway if the weather is not good, so by, in a way giving them permission to do so, but hopefully they will open every couple of hours anyway.
One of the most frequent questions we get ask is "How long will it take to dry."
You give them all the advice about ventilation and warmth etc. They promptly go out after youve gone, seal everything up in their insulated homes, turn the heating off to save money and when they get back several hours later they say "Oh, its still wet."
Dave.
ps. Sorry some, 'Mint Imperial' owner has really wound me up lately.
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Hi
The best way IMHO is to use a dry system in the first place.
Problem solved.
NEXT!
Regards
Martin 8)
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Hi Martin,
What, IYHO, is the best dry system to use? ;) ;)
Regards.
Martin S
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Martin 606,
When you say dry, Martin, do you mean dry compound or low moisture?
I think anyone would switch to a dry system straight away if the results in every respect were as thorough as a TM system. Are you saying you use a Dry system on every occasion regardless of the carpet condition and severity of soiling?
Dave.
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Hi
No system is going to be perfect in every respect.
Regards
Martin
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He is not going to tell you what system he uses, as some people may laugh at him. ;)
Len
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Len,
They do say that global warming may lead to the ENVIROnment becoming DRYer ;)
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I thought he uses Dry Compound with a Sebo Duo.
Or is it Waterless by the way how is it going? Martin
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Hi
I prefer to laugh at myself ;)
Regards
Martin 8)
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He who laughs last o o er owes you sweet nothing, nothing at all ll ll, I owe you nothing, nothing... Bros 1987
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i find towel drying, after extraction. + heat on , window open
like some of u said depending on outside conditions.
bit like donkey work, but gets result + customer loves it.
they pay i do !!!!!
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Martin,
Dont be so deep, open up, if you are really making a good, full time. living exclusively using a dry compound system, then all credit to you. Personally I wouldnt have thought this was possible, all those that have tried it in my area have never lasted very long. The only ones who persist with that system are part timers, just out for a few extra sods.
Dave.
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Just a question... why do they not make heated Turbodryers/fans? seems more logical to be able to blow warm air onto surfaces that need drying rather than cold air?
Like for example... nobody would put a load of washing into a dryer & dry with "Cold" air... & clothes & everything are fine with drying this way... would it not be the same for carpets & upholstery?
Warm air = faster drying? surely
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Just a question... why do they not make heated Turbodryers/fans? seems more logical to be able to blow warm air onto surfaces that need drying rather than cold air?
Like for example... nobody would put a load of washing into a dryer & dry with "Cold" air... & clothes & everything are fine with drying this way... would it not be the same for carpets & upholstery?
Warm air = faster drying? surely
Perhaps possible on a low speed .... i wouldn't expect a heated 1hp snail dryer ...
would take a lot of heat power to keep up ... think that a hairdryer i 2000w and you can barely feel the heat of flow a meter away .
Other than that , might not be good to have direct heat on certain things .
.. that Dynafoam guy had some good vintage posts ... dont tell me hes some guy on CT now or i might regret saying that :-X
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What about a 3kw industrial heater fan directed into the air intake side of the snail dryer? do you think that may work? :) Surely warm air movement around a room would be better to dry carpets & upholstery rather than cold air?
I would imagine it would dry everything much quicker? what do you guys think?
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Well John... dynafoam is ...............
John Bolton one of the head honcho's on CT.. ;D ;D
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Well John... dynafoam is ...............
John Bolton one of the head honcho's on CT.. ;D ;D
No way ! :-X Now he just rattles on about Mpower and cold water like the rest of them ... sad
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What about a 3kw industrial heater fan directed into the air intake side of the snail dryer? do you think that may work? :) Surely warm air movement around a room would be better to dry carpets & upholstery rather than cold air?
I would imagine it would dry everything much quicker? what do you guys think?
I think you might melt the side of your dryer :) and still blow out cold air , but do give it a go .
There might be something to be said for having a couple of 3kw heaters plugged in to cold unheated houses in winter just to raise the ambient temp in the rooms you were doing .
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The only thing ive found so far is this... http://youtu.be/tUBYxZSWjLA
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The only thing ive found so far is this... http://youtu.be/tUBYxZSWjLA
Interesting ... i wonder is that heater gas ? looks like hes doing a good job for extra fast drying alright
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Found this ... add on heater for snail dryer . Oh but the cost !!!
http://www.steam-brite.com/hydroforce-mb240lp-etes-volt-smart-mover-heater-free-shipping-heater-p-11760.html
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Yes lol... the price is totally out of proportion for what it is & what it does...
i think the same effect could be recreated using a 3kw heater & correct positioning... towards the intake of the snail blower... like maybe 1 1/2 - 2 ft away from it?
i just think drying times would be even quicker with the heat... thats all :)
maybe even throw in a dehumidifier to the room?
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I've got a couple of absorbent bonnets that I use on my Victor 300 post HWE, saves brushing out the wand marks too.
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Just realised this topic started in 2005 and its peeing with rain now
David
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I used to learn a lot of John B but somtimes i wondered where did he look that up to become the authorative figure.
Interesting about Bane saying an extra drying pass cuts an hours drying time I wonder where the proof of that is.
In theory 12 passes and carpet will be dry when we leave. If i thought that to be true I would do that. but charge an extra £50 for that service?
So if you cleaned a carpet put turbo drier or driers on and then had rthe aprentice doing drying passes with another machine for say an hour would carpet be dry?
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no
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The dry passes need to be made soon after the wet pass is made.
Going over the entire carpet again with dry passes isn't going to do much unless you over saturated the carpet in the first place.
One of the many good things about the airflex is that you get to see the waste water being pulled from the carpet. I have experimented a few times going very slowly over damp carpet.
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Yes I've tried it by going over a section with a hand tool very slowly...if you have done it right not a lot more comes out with hand tool.
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Well yes on my powerbrush you can see when water stops coming out. but going over it you are still putting air over carpet which could help to dry?
I have done this but have not noticed much difference just interested in the Bane theory
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I've paused while cleaning a carpet, while the wand was sat in the same place it left a dry strip. So constant air passing through the carpet must have a continuous drying effect.... but I don't think this is practical for drying a full carpet
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depends how long you have got to stand around hardly moving doesn't it?
;D
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Stuart
Got the Storm. Had the turbo before that. Very good machines. Solid machines that look the part which IMO is important.
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Carpet Dawg
although the turbo has three vacs, would you say the Storm was more powerfull ?
Also have you had any reliability issues with the 6.6 motors ?
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Carpet Dawg
although the turbo has three vacs, would you say the Storm was more powerfull ?
Also have you had any reliability issues with the 6.6 motors ?
On paper one had more lift or something like that. Cant remember which one but both feel the same at the wand for me. The Storm is lighter as its got one less vac.
TOUCHING WOOD!! its been two years now and not had any problems with the 6.6 vacs at all and that's using it 6 days a week, sometimes 7 days. Its well ventilated with air vents and its got a fan. The Jag according to some doesn't have fans inside and probably didn't have enough air holes in the body. This is probably why the 6.6's failed in that machine.
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I went through 6 x 6.6 vacume motors in the short time I owned a Jag, ive been told the problems have now been ironed out, but I wouldn't dare risk buying another ! Lol plus Solution tried to discredit me over the Forums saying I had abused the machine, its funny ive had my first Scorpion some eight years and its only now on its second set of vacume motors
Stuart