June 21 2009 filed under.
Metal roof over sips.
I would cover the entire roof with ice and water shield as someone else suggested.
Metal roofing over insulated sip panels.
The ridges caused by the expansion of sip roof panels may be an aesthetic blemish but it does not affect the performance of the roofing or the sip roof panels.
When the house was built melton sealed the seams between roof panels with tape applied on the bottom of the panels.
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.
Bottom interior side of the sip roof is properly air sealed and if one properly installs a peel stick membrane on the sip roof and then install a metal roof on top i don t see why one would have any issues and necessitate a cold roof design.
Cold roofs help protect the sip osb from.
I did this on a house similar to what you are describing.
He has already installed roofing underlayment over the panels.
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.
He s uncertain about the details.
Misc roofing answers roofing installation.
But lin wants to add 2 inches of rigid foam on top of the panels to reduce thermal bridging.
I have a new structure with 12 1 4 structural insulated panel roof at a 2 12 pitch.
By most standards that s a well insulated roof.
This will ensure ventilation of moisture build up through vented ridge assembly.
Icf wall sip s roof but this house had to have red cedar shingles over the sips s deed restriction i covered the entire roof with the ice and water shield to protect it until the shingle or in your case metal will be installed.
Specifying a cold roof or simply over sheathing the roof.
Over top of sip assembly to create vertical air movement eave to ridge between sips and metal roof.
Several assemblies that prevent shingle ridging are described in the builder s guide to structural insulated panels sips.
Fasten metal roof panel directly through accepted self sealing roof underlayment it is important that the.
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.