Sleepers Under Metal Roofing

For many applications a layer of plywood underneath your metal roofing is an unnecessary expense.

Sleepers under metal roofing.

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. I have removed all the old shingles from the roof boards not plywood the roof is in great shape and have installed an ice shield over the roof. 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. If a proper roof inspection isn t done the 1x4 s could be installed over rotten plywood which means the screws could pull out.

Roof underlayment keeps water that gets past the metal roofing from passing into the attic space and interior walls. 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. 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. That was 10 11 years ago haven t heard anything back so i can only guess how it held up.

The sleepers were not fastened to the roof and floated. The deck was trapped in place by the metal railing that penetrated the roof and skirting around the edge. 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. 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.