Thought you would like to see a roof I just finished down by Cedar Run. We used SIP panels under the roof they are 6" thick foam pressured fitted onto 4 x 8 sheets of 7/16" OSB board this gives the roof an impressive R 25. They make even thicker panels that have even higher R values. Since this roof had no insulation and a finished vaulted ceiling, putting the insulation on top of the existing roof was the only solution. I then raped the edges with locally cut hemlock, which will be painted to match the cabin. We put grace ice shield on top the panels and covered it with steel. The steel is the only roof that outlast the attack of the moss and algae on roofs. I had power washed this roof and the algae had literally ate into the asphalt shingle. The algae digests the shingle and makes it have about half the life it would have anywhere else.So this cabin will stay cool in the summer and warm and dry in the winter. Mountain girl, Paula, logging off.
3 comments:
Hi Paula, What does SIP stand for? Ed Carr
We have a post & beam home with sips on the roof and walls. It seems it is almost too well-insulated, as we've had problems with interior moisture. When it gets in the single digits outside, we get drips here and there at various drywall joints. Some joints fail often and have been replaced several times. Have you ever encountered this with sips?
I have not encountered the moisture problem. Sound like you may need an air-exchanger or dehumidifier. This job was only the roof since there was no space for regular insulation.
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