The entire roof deck is relatively uniform where you can step on any part of it without slipping through spaces.
Skip sheathing metal roof.
I am having a stone coated metal roof installed on my house that has a tile roof.
Osb or plywood over skip sheathing makes for a much stiffer roof deck resists problems with expansion better and obviously doesn t require all the hassle of removing it.
After you strip the roof do spot repairs to the existing sheathing where needed then go right over it.
Under your metal roofing you need roofing underlayment to catch the dripping condensation.
And you b don tneed to sheath the roof the difference in price between a 4x8 sheet of osb or ply and 8 pieces of 1x4x8 for exmple is big.
The underlayment is very important.
There is only skip sheathing present.
On metal frame building and the like you will likely see structural metal roofing installed on purlins that is what those 1x4 are purlins and those metal roofing panels are rated for that type of installation.
The tile roof system leaks like a seive the metal roof contractors are proposing laying the 30 felt paper directly over the skip sheathing.
As well as all valley s.
Exposed or hidden fasteners.
Skip sheeting or spaced sheathing is just as it sounds.
Most formed metal roofing the type that imitates wood slate or clay comes with a built in thermal break that insulates against heat passing to the roof deck below.
The rest of the roof would be covered with titanium psu30 or something similar.
And unlike asphalt slate or clay roofs that hold onto solar heat after the sun goes down metal quickly releases its heat back into the atmosphere.
Installing over skip sheathing is fine.
Installing wood stripping under a tin roof.
Next purlins parallel to the eaves and then roofing.
Lets pretend the roof design details are conventional and so the roof deck sheathing will be 5 8 to 3 4.
Tin roofing also known as metal roofing is considered more durable than composition or wood shingles.
Board and batten pan and ridge panels.
Grace ice and water shield or titanium udl50 is recommended along the eave up to 3 0 beyond the inside of the exterior wall.
On top of your insulation you need an air barrier.
Design depends on type of metal roof.
Many metal roofing dealers specify minimum of 7 16 sheathing.
The time saved in humping edless 4x8 sheets up onto the roof nailing them off and creating staging areas to work from is b huge as you install the strapping purlins at 24 oc you are creating a.
The roofing is manufactured in panels that.
Shake and shingle panels.
First of all thanks for selecting a metal roof.
Panel or tile system.
You ll want to use both longer sheathing nails and longer roofing nails.
Traditionally skip sheathing consists of 1 inch by 4 inch boards nailed to the rafters with gaps between the boards.
The easiest way to do this is to have solid sheathing with taped seams that s your air barrier covered with roofing underlayment.
