Co down man
Member
Currently building a lean too beef house slatted feed area with lieback. Going to put on fibre cement roof shoud I space it or not??
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How long have you had them? Mine was good to start with but let's more water in now that moss has built up.Got spaced roofs on most livestock sheds, when there is stock in the shed then no rain I'll come in. Great for ventilation
Mine would be about 25 years now, it's only in recent years I've noticed a problem.Some of them over 10 years. There's no moss growing on any of our roofs. Plenty of starling sh1t tho.
Its because the sheets are upside down to form a water channel with what would be the overlap, the correct way to do a spaced roof is buy 'cut sheets' the overlaps are trimed of at the factory to allow the sheets to be fittedHow long have you had them? Mine was good to start with but let's more water in now that moss has built up.
In other words mines been done on the cheap.Its because the sheets are upside down to form a water channel with what would be the overlap, the correct way to do a spaced roof is buy 'cut sheets' the overlaps are trimed of at the factory to allow the sheets to be fitted
the right way up, the underside is not so smooth as the weather side and will allow more build up of debris
Not really on the cheap, i have done loads like this but never painted any that were upside down as i don't think it would be that successful on the dimpled underside and if you have had 25 years out of it now i don't think its doing to bad, i prefer to vent down the ridge rather than the roof slope there are option to increase roof pitch and open ridge to gain plenty of air movementIn other words mines been done on the cheap.
Although funnily enough the shed builder insisted that there was no way I'd get planning with a bog standard fibre cement roof so I ended up paying an extra £1000 to have them factory painted on what should be the underside.
Must admit id never heard of having sheets trimmed for this reason which no doubt adds to cost as there is extra work trimming as well as more sheets needed.