Do Metal Siding Need Sheathing Under. While metal roofing doesn t require plywood underlayment there are circumstances in which you may wish to install plywood to anticipate future roofing needs or to offer additional soundproofing. The impact of condensation in post frame buildings is very real. Here s how to fight back against the enemy within.
3 apply sheathing over the wall if you installed furring strips. While metal roofing doesn t require plywood underlayment there are circumstances in which you may wish to install plywood to anticipate future roofing needs or to offer additional soundproofing.
Installing a layer of sheathing like plywood over the furring strips will give you an even insulated surface to work on.
I am building a 10x28 shed row horse barn and we decided on green metal roofing. If an open grid framed roof or widely spaced old solid roofing planks as the sheathing it is important to tightly stretch this so it does not sag down and hold water between the framing roof sheathing boards and the metal roofing obviously far better to put down a solid sheet sheathing first when doing a reroof in that sort of situation. The impact of condensation in post frame buildings is very real. Modern metal roofs are expected to last 30 years or longer.