These roof ridge tiles look so much better just plain black felt and are easy to fit as will. You buy them in packs of 5m2 each. So if you buy a Timber Building you will need to look at the specification document to check the length of the roof ridge and sides.
In most cases we have put it on the cabin details to help. Each pack container 20 individual pieces. Each piece is 1 metre in length. In most cases you will need two packs for most log cabins and garages.
1 pack of ridge / edge tiles used on the apex of the roof covers 12 overlapping metres in length
1 pack of ridge / edge tiles used on the edges covers 20 linear metres.