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Tonish
29-07-2014, 17:03
Does anyone know do these reduce UV rays?

DaveL
29-07-2014, 17:22
They do block a TINY percentage of sunlight BUT the sane answer is NO.

Dave

DisneyFunVilla
29-07-2014, 17:34
I did a quick search on Bing and everything indicates that screens block UV rays. The only numbers I could find were at May Construction, http://screenroomorlando.com/pool-enclosures.html, which claims, "Cuts 15% of harmful UV rays" and Advanced Aluminum Products, http://www.advancedaluminum.net, which claims, "80% - 90% reduction of UV ray damage to furnishings".

CERICROWLEY
29-07-2014, 17:34
Pool screens can reduce the temp inside your cage by around 5-8 degrees but uv is not stopped

steph_goodrum
29-07-2014, 17:35
You still need sunscreen, youu do see some people outside trying to tan as they think it blocks too much but when you take in to account the water reflecting them I', sure it's swings and roundabouts.

E. Cosgrove
29-07-2014, 18:15
Never stopped me getting a tan[;)]

florida4sun
29-07-2014, 18:25
Standard pools screens reduce UV rays by around 10 - 15%. There are companies who's product will up that too around 70 - 80%. I would guess there a re very few vacation homes with this upgrade as most folks want a tan :cool: I was only ever asked for it once due to a child with skin condition. Made a big difference to her pool time :)



Does anyone know do these reduce UV rays?

Andrena
29-07-2014, 19:11
First I have ever heard of this in 20 years of owning a pool with a screen. It is just as hot inside the screen as outside.

Andrena

Gerry Reed
29-07-2014, 19:15
I always find it takes much longer to tan in the pool area and after a short time out in our garden I burn so I have always assumed that the screen does filter out some sun but I would still use sun screen

Sue

florida4sun
29-07-2014, 20:03
Possibly a few degrees hotter inside the cage with concrete reflecting the heat but heat and UV rays are different things :)

QUOTE=Andrena;718670]First I have ever heard of this in 20 years of owning a pool with a screen. It is just as hot inside the screen as outside.

Andrena[/QUOTE]

Lizb
29-07-2014, 22:36
[QUOTE=Andrena;718670]First I have ever heard of this in 20 years of owning a pool with a screen.

You learn something everyday Andrena!

Dads_Taxi
29-07-2014, 22:48
An engineer's viewpoint - it must depend on the density of the mesh. UV is just above visible light on the spectrum. If the screen is reducing the amount of light entering the pool area, then it is reducing the amount of UV too. A light meter (such as used by a photographer) would, I am quite sure, show a lower light level inside the cage than outside.
I've never gone shopping for a pool screen but I expect lots of emphasis is put on how little light is blocked by the expensive ones. If it's not blocking much light it isn't blocking much UV.
Now if anyone wants to do any research into what dot-pitch of pool screen netting will pass visible light but filter out UV, I'd really like to see the maths!!

Ooh I just thought of something else.... since heat, infra red radiation, is a lower frequency than light, I wonder if more heat will be lost because of the net than will UV? That could mean that it feels cooler than outside the cage but there is relatively more UV than it feels there would be.

I need to get out more.

Tonish
30-07-2014, 19:17
Thanks for the replies. I was hoping the answer was it doesn't make a blind bit of difference, but as I suspected, it does. I was trying to settle an argument we have been having for a couple of days.

steph_goodrum
30-07-2014, 20:02
Thanks for the replies. I was hoping the answer was it doesn't make a blind bit of difference, but as I suspected, it does. I was trying to settle an argument we have been having for a couple of days.
I take it you've lost:)?

florida4sun
30-07-2014, 22:13
The fair answer would be 'not much' you just need an extra 15% more time to go lobster :)


Thanks for the replies. I was hoping the answer was it doesn't make a blind bit of difference, but as I suspected, it does. I was trying to settle an argument we have been having for a couple of days.

Tonish
01-08-2014, 01:28
I take it you've lost:)?

Yes, sadly. I enjoy sitting by the pool in the sunshine, enjoying the company of my family as they splash about in the pool. Fat cigar in one hand, a jug of icy margarita or martini in reach of the other. When I get too hot, I fall into the pool.

Mrs T couldn't care less about the pool and complains that the screen blots out the sun. She abandons me and heads off to the rooftop to lie for hours on end in oppressive heat. I say come down here, she says no, you come up here. The roof is far too hot for me!

I hoped I could persuade her that she would get just as much tanning action under the screen, but you lot have blown my argument.

Or maybe it's the cigar...

Andy & Arlene
09-08-2014, 19:44
I always find it takes much longer to tan in the pool area and after a short time out in our garden I burn so I have always assumed that the screen does filter out some sun but I would still use sun screen

Sue

Sue I totally agree with you. I never get as good a tan when sunbathing inside the pool area as I do outside it. Have definitely noticed this over the years