What Do You Put Under Metal Roofing

Installing wood stripping under a tin roof.

What do you put under metal roofing.

Selecting the right underlayments for a lifetime metal roof should be a primary concern for anyone thinking about specifying or choosing to install a metal roof on their home. Tin roofing also known as metal roofing is considered more durable than composition or wood shingles. There are two ways to do this put in firring nailing though nails are not used any more for this strips or purlins in steel frame construction on the roof to support it or place the metal roofing directly on a flat surface like foam insulation board or the roof sheathing with roof water barrier in the correct position in the layer. If you re wondering how to prevent condensation under a metal roof you re not alone.

The high temp versions of ice and water are usually labelled for metal or high temp or some other designation indicating their suitability. The roofing is manufactured in panels that. Here s how to fight back against the enemy within. Installing the metal roofing over 1 4 s allows the ability to also install additional insulation under the metal roof that can t be done the other two ways.

Metal roofing panels rated for architectural use attached to purlins horizontal pieces of wood or metal fastened to roofing trusses are structurally sound when installed according to your roofing manufacturer s instructions and local building codes. It s worth taking the time to make sure that you use the right type under metal. For many applications a layer of plywood underneath your metal roofing is an unnecessary expense. The impact of condensation in post frame buildings is very real.

It provides a solid flat surface to attach the new metal roof to. The metal roofing system and its expected service life the climate at the building location roof slope and geometry and ambient conditions temperature relative humidity within the building. Long term in service roof performance can be affected by several important factors including. Owners of agricultural buildings man caves and horse barns all are worried about the corrosive effects of condensation.