Problems With Sip Roofs

Most sip problems have occurred in cool damp climates.

Problems with sip roofs.

Kiesecker offers the following. 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. Nabil taha has over 27 years of structural engineering experience. The pattern of damage in the sip roofs investigated was concentrated at the panel seams towards the ridges of roof assemblies.

However working with structural insulated panels does have its challenges especially for first time users. Only sips surrounded by a fire rated product like drywall can stand up well in fires. 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. 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. There was a big cluster of failures in juneau alaska. Several assemblies that prevent shingle ridging are described in the builder s guide to structural insulated panels sips. The first signs of problems with the roofs in juneau occurred when workers walking on the roof noticed soft spots.

Specifying a cold roof or simply over sheathing the roof. 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. Don t freak out if you don t have any signs of problems. 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.

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. 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. 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.