We've used the polycarbonate panels on both our coops. One was built in 2010, the other in 2014 (chicken math).
We used the 'white' on an overhanging roof structure adjacent to the coop (part of the run) - it does block a fair amount of sunlight...but that's what we needed it for. It's still white. It's held up fabulously.
We used the 'smoky' and 'clear' on the roof of our main coop. The clear does let in a LOT of light - and my hens lay year round - is it the extra light? Not sure. The 'smoky' is on the part of the roof not under the tree - to provide some shade - which it does do nicely but if a rainy day, the hens aren't so eager to leave their bed, it does shade very well.
My only suggestion - if you are installing with more than 1 person - Do NOT take the 'this side up' tags off until AFTER installation. At least two of our clear panels are installed upside down - and in the summertime, the coop becomes an oven because the filter side is on the wrong side. If the darn thing wasn't so tall, I'd fix it. But it is. So I just put fans in the windows instead (yes, there is electrical out to the coop - I highly recommend it if you are in the northern states (heated waterers)).
Yes, the panels do collect leaves/twigs/debris - which either stains the roof or gathers in the 'valleys' until I clear it away. Yes, my roof is stained from the tannins in the maple leaves. Do I mind? Not really...I'm too busy looking at my hens - not their roof! LOL.
Yes I installed cross-bracing every 18" along the panel (between the roof rafters) to support snow load. Yes, under a VERY heavy, wet, large snowfall - there was deflection in the panels - but not permanent. It did seem to 'spring' back after the snow melted. The snow also cleared off some of the tannins from the leaves too! If I build another coop (I see nothing, I say nothing!) - I'd put the bracing every 12" instead of 18...but I'm not building another coop....I'm not building another coop....I'm not building another coop (if I keep repeating it, it'll come true, right?!)...!
We used the 'white' on an overhanging roof structure adjacent to the coop (part of the run) - it does block a fair amount of sunlight...but that's what we needed it for. It's still white. It's held up fabulously.
We used the 'smoky' and 'clear' on the roof of our main coop. The clear does let in a LOT of light - and my hens lay year round - is it the extra light? Not sure. The 'smoky' is on the part of the roof not under the tree - to provide some shade - which it does do nicely but if a rainy day, the hens aren't so eager to leave their bed, it does shade very well.
My only suggestion - if you are installing with more than 1 person - Do NOT take the 'this side up' tags off until AFTER installation. At least two of our clear panels are installed upside down - and in the summertime, the coop becomes an oven because the filter side is on the wrong side. If the darn thing wasn't so tall, I'd fix it. But it is. So I just put fans in the windows instead (yes, there is electrical out to the coop - I highly recommend it if you are in the northern states (heated waterers)).
Yes, the panels do collect leaves/twigs/debris - which either stains the roof or gathers in the 'valleys' until I clear it away. Yes, my roof is stained from the tannins in the maple leaves. Do I mind? Not really...I'm too busy looking at my hens - not their roof! LOL.
Yes I installed cross-bracing every 18" along the panel (between the roof rafters) to support snow load. Yes, under a VERY heavy, wet, large snowfall - there was deflection in the panels - but not permanent. It did seem to 'spring' back after the snow melted. The snow also cleared off some of the tannins from the leaves too! If I build another coop (I see nothing, I say nothing!) - I'd put the bracing every 12" instead of 18...but I'm not building another coop....I'm not building another coop....I'm not building another coop (if I keep repeating it, it'll come true, right?!)...!