Pitched Roof Sip Construction

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.

Pitched roof sip construction.

Although there is no single standard roof pitch used on all sloped roofs factors such as roofing materials and local climate help to determine the appropriate range of pitches for a given building. There are also a number of other framed constructions such as portal frame roofs. 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. But since there is still a wide variety of slate roofing systems there are occasions when the minimum pitch can go down to as low as 15 0 depending on the uniqueness of the roof.

Pre cut sips on our cnc machine ensure accuracy and proper fit to your design. Prefabricated trusses which are delivered to site and erected. The standard 8 x 24 sip size is determined by availability of jumbo osb. The speed of construction offered by jumbo panels has resulted in the 8 x 24 size osb becoming the sip industry standard.

The structural insulated panel association sipa is a non profit trade association representing manufacturers suppliers dealer distributors design professionals and builders committed to providing quality structural insulated panels for all segments of the construction industry. Robin is working on an extension so we thought we d shadow him for the day and see how he creates a pitched roof or semi pitched roof leading up to a flat. Typically composed of a layer of eps expanded polystyrene xps extruded polystyrene or polyurethane foam sandwiched between oriented strand board panels sips can provide r values for walls floors and roofs ranging from 14 to 58 depending on panel thickness and composition. A traditional method of cutting timber on site and building up the roof using rafters joists purlins ridge boards etc.

The two basic construction methods of pitched roofs are. With regards to the pitch the building standard code bs 5534 recommends a minimum pitch of 20 0 for slate roofs. A job using numerous 8 x 13 panels will be much more expensive than one using 8 x 12 panels. The cost of a sip project is partially dictated by the number of 8 x 24 sheets that are required.

The top of the roof was completely covered in a peel and stick membrane. In both cases melton now says the seams of the tape and the roofing membrane didn t seem to stick very well.