Ed that is a great.
Sleepers under metal roofing.
Roof underlayment keeps water that gets past the metal roofing from passing into the attic space and interior walls.
In some existing structures it will be difficult to design metal roofing system manufacturer to install the system and shall have a retrieve document.
Moisture accumulation in these areas can lead to mold which is unhealthy and degrades the integrity of the structure.
If a proper roof inspection isn t done the 1x4 s could be installed over rotten plywood which means the screws could pull out.
Installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof that can t be done the other two ways.
Ufgs 07 61 14 00 20 steel standing seam roofing sleepers and stub walls have been used successfully but attachment and structural stability of these must be assured.
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.
Treated and untreated wood sleepers come in a range of sizes because nearly any solid piece of lumber larger than 2 by 4 inches can be used in this way depending on the size of the deck.
The sleepers were not fastened to the roof and floated.
Can i install the metal roof over the ice shield or do i need the 1 x 4 battens every 2 feet as well it s a low slope roof thus the ice shield for extra protection.
For many applications a layer of plywood underneath your metal roofing is an unnecessary expense.
Concrete and metal sleepers work well for building retaining walls but these materials are too hard to attach normal deck boards to for a basic deck.