6 4 2.
Sip roof pitch break.
To avoid damage caused by condensation forming on the back side of the metal roof use a recommended and self sealing underlayment for metal.
I have a new structure with 12 1 4 structural insulated panel roof at a 2 12 pitch the low pitch is due to code which requires me to retain the snow load there is no attic space to ventilate and the roofing must be applied to the top surface of the insulated sip panels.
First calculate the distance to lower shed roof at the pitch break.
Raycore s insulated roof panels and insulated wall panels are far superior than other sips with highest r value custom blend of polyurethane foam insulation wrapped in a foil radiant barrier and producing a superiorly strong lightweight do it yourself diy friendly sip panel.
Pitch break from steeper to flatter with steel roofing.
It is important that sip roof panels have a watertight drainage plane between the underside of the final roof covering metal asphalt shingle etc and the top of the sip.
2 embed in rafter typ roof sheathing nailing per plans raycore panels per plan shaped block edge nail folic block beam sleeperrrlins per plan e 1 125 ply notes l seal bottom panel joints with 3 sip tape or spread mil visqueen or.
Divide the result by 4 and add the is the height of the steel ribs.
Olylog pane screw each sleeper rafter connection min.
Largest manufacturer and least expensive sip panels on the market.
Lots of things are going to occur at the junction between the two roofs.
They can be used as the roof structure itself or used to clad and insulate other roof structures oak trusses steel etc.
The versatility is endless.
Matt melton lives in central washington state in a 3 year old house with a roof made of structural insulated panels sips that are 12 1 4 inches thick.
Build for the future with extreme s structural insulated panels sips the high thermal values and strength properties of extreme s sips are highly beneficial for roof construction.
Exercising care this will be a painless and leak free area.
Extreme s pre insulated sips offer an option for a high performance roof framing solution that is 15 times tighter than conventional construction practices making it easier to control indoor air environment.
Subtract flatter roof slope from steeper roof slope.
The pitch of the roof is very low only 1 2 inch in 12 and the metal roofing has been applied directly over the sips with no air channel beneath the roofing for ventilation.
Example from 6 12 to 4 12.
Raycore at gambrel pitch break r 15 scale.