Problems With Sip Roofs

Several assemblies that prevent shingle ridging are described in the builder s guide to structural insulated panels sips.

Problems with sip roofs.

Prior to opening his own engineering firm in oregon in 1997 he was a professor of engineering at northern montana state university and at oregon institute of technology. Problems with fire safety and structural insulated panels sips con struct ed with osb composite structural siding panels and plywood do not have adequate fire per for mance ratings. Most sip problems have occurred in cool damp climates. There was a big cluster of failures in juneau alaska.

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. 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. 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. Specifying a cold roof or simply over sheathing the roof.

Kiesecker offers the following. Ray core sips are far superior eliminating all the problems associated with traditional sandwich panel sips. To help shed some light on common problem areas we asked frank kiesecker of sips manufacturer ach foam technologies in denver to provide key tips and do s and don ts when working with the technology. Insulated sip roof panels and wall panels raycore s structural insulated roof panels and insulated wall panels sips are not a sandwich panel sip that consists of two sheets of osb glued to a solid foam core.

Only sips surrounded by a fire rated product like drywall can stand up well in fires. Don t freak out if you don t have any signs of problems. Issues with structural insulated panels sip dr. The first signs of problems with the roofs in juneau occurred when workers walking on the roof noticed soft spots.

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. Warm moisture laden air exfiltrates at gaps in the sip joints and migrates upwards within the joint toward the roof ridges depositing moisture at the upper cooler exterior surfaces along the way. Nabil taha has over 27 years of structural engineering experience.