Polycarbonate or Fiberglass shed panels

DanMD

Member
I am building a shed/workshop and want to get some natural light in there. I am planning on putting a 2 foot tall strip of this under the eve on the South side of the building.

Some people tell me this leaks and others say not. I would like to know which is the superior product and what your experiences are. The local building supply place didn't have a lot of knowledge on this subject.

Thanks,
Dan
 
I'm working on the same. but I'm using glass. it seems to me that it will not take a very big window up high to really help out.
 
Poly seems to be standing up to UV much, much better than fiberglass. Also lets in alot more light.
AaronSEIA
 

I fitted Polycarbonate sheet to my barn five years ago , previously they had been part of a lean to roof for ten years . They have shown no deterioration whatsoever in all that time and in two different applications . I used to use fibreglass sheets over my wood sheds , I never got more than ten years out of them and when they did give up small glass fibres went everywhere .

You can see the dark tinted sheets in the vertical wall of the second storey . They are facing North [ our sunny side ] and are exposed to very high winds and driving rain . They are also fitted to the opposite wall to give a balanced light inside the barn . I am very happy I used them .

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I have fiberglass panels on the roof of my shop as skylights. They have been there since the 1980's and they may have yellowed a bit but they have never leaked. You install them the same way as you do metal panels and they will preform the same way.
 
(quoted from post at 04:06:09 06/29/18) I have fiberglass panels on the roof of my shop as skylights. They have been there since the 1980's and they may have yellowed a bit but they have never leaked. You install them the same way as you do metal panels and they will preform the same way.

Stephen, they make a coating for the fiberglass panels that restores the resin that weathers away. It will make them last a lot longer and after coating they will let a lot more light in.
 
Polycarbonate self extinguishes when burned and without the protective coating is very susceptible to sun damage. Read the instructions carefully.
 
I had a 36' x 48' pole bard built about ten years ago. I used a polycarbonate ridge cap. It lets in a great amount of light.

Some folks have said that the life of polycarbonate is not good in southern climates. In SW Indiana I have had no problems in a decade.

Obviously this wouldn't be of much value if you intend to install a ceiling (which would block the light).

The only issue that I have had is that birds (especially humming birds) sometimes fly in an open door and almost immediately fly up to the clear polycarbonate ---thinking that it is an exit of sorts.
 
Polycarbonate roofing supplied here does not suffer badly from UV degradation . The UV levels in Victoria Australia are amongst the highest in the world and those found in Sth Gippsland some of the highest in the state . Yet the sheets I use look as good as the day they were installed . I have one clear sheet used as a near horizontal skylight in the North facing veranda of my farm house . It was installed in 1993 and is still as smooth and clear as the day I put it in , Lichen grows on it though and I need to brush it off every few years .
 
Definitely poly carbonate. Much more light and seem to weather better. Have replaced all of my fiberglass with poly.
 

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