Skillion Roof Branz

By john wierenga 1 april 2014 build 141.

Skillion roof branz. From www branz co nz appraisal no. Found 37 results showing 1 to 8. Branz facts branz research now builder s mate. The corresponding fixing type is type e but this is a skillion roof and table 10 18 see figure 5 refers to table 10 1 for rafters except for skillion roofs so type e fixing is not suitable.

Recent branz research provides advice on the best place for effective vent openings in low wind zones. In a separate research project branz made one of its older test buildings more airtight. In skillion roofs the roof cladding and ceiling run parallel typically within 300 mm of each other. Table 10 18 references clause 10 2 1 3 7 which directs readers to figure 10 6.

The roof space is generally inaccessible with little natural ventilation and the small roof space can accelerate problems with moisture. 767 2012 appraisal amended date. Airflow from interior spaces including subfloor spaces into skillion roofs must be prevented. Vapour barriers are not generally needed although an air barrier is.

To mitigate the risk of internal moisture both branz and the metal roofing manufacturers association of new zealand highly recommend ventilating skillion roofs. Pitched roofs constructed with timber rafters are described in nzs 3604 2011 timber framed buildings as either couple close or skillion roofs. Skillion roof products matching skillion roof sort by. 767 2012 view appraisal appraisal holder.

Providing ventilation is not a cure all for wet skillion roofs irrespec tive of the cause of the moisture. A close even fit provides the most efficient thermal performance. The branz technical helpline has received queries on doing this so let s step through some examples. Skillion roof materials must be dry when closed in.

17 6 pink batts skillion roof insulation is installed by friction fitting the insulation between framing members. Some roof designs such as skillion roofs must include ventilation to manage roof moisture. In high wind zones the placement of vents in metal and tile clad skillion roofs might not be critical. The insulation must not be folded tucked or compressed.

29 march 2017 pink r batts r skillion roof insulation is a range of resin bonded fibrous glasswool thermal insulating material with a. Passive ventilation specialist vent has developed comprehensive ventilation systems for both mono pitch and pitched skillion roofs. This module focuses on the concepts and features critical to the design of timber roof framing. 0800 746 522 web.

This shows a 7 kn fixing for rafters to top plate when a skillion roof. Options available are to install insulation. Tasman insulation new zealand ltd phone. It is more difficult to install insulation in a skillion roof.