Ormeau Roof Inspection Report Purpose:

Provide a roof condition report for a property located in Ormeau, referencing any infractions to Australian building standards including N.C.C 2016 Vol.2, AS 1562.1, AS 1562.3, SA HB 39 2015: The Installation Code for Metal Roofing and Walling as well as Manufacturer’s Instructions. We also aim to provide recommendations to extend longevity where possible.

Findings & Recommendations In Ormeau Roof Inspection

Evidence of possible mould markings to the roof sheets in various areas, resulting from bathrooms having exhaust fans with no ventilation installed, gaps are present between wall cladding and roof sheeting, which has not been covered correctly by insulation blanket/wall sarking. When the warm air from inside the roof space hits the roof sheets where it is significantly cooler from the outside air, this produces mould. It is important to remove mould from your roof sheets right away, mould can cause the paint to stain, which can be difficult and sometimes impossible to repair. Further investigation is required.
More evidence of gaps present between wall cladding and roof sheeting also markings to the roof sheets.
More evidence of markings to the roof sheets, possibly caused by the roof insulation blanket which has been installed incorrectly with gaps present.
More evidence of insufficient insulation blanket.
Evidence of valley and the roof sheets not being turned up correctly (weathered). It is important that this is done correctly as it prevents wind driven rain from entering the roof space. SA HB 39 refer 5.4.
Evidence of splattered paint markings and slight scratches to the roof sheets to the front of the property, making it an aesthetic issue. replacing the marked roof sheets is the only option. Non-compliant to SA HB39 refer 3.8 as shown. Ridge flashing joints are not undersealed and have insufficient fasteners, noncompliant to SA HB39 refer 5.8.3 as shown. This will also reduce longevity as moisture from condensation gets trapped between the flashings leading to corrosion and future ingress.
Flashing joints are not undersealed and have insufficient fasteners, also evidence of previous repair to the flashings using silicone, which has no longevity and breaks down under the sun’s UV rays. It was not possible to determine if compliant installation has been achieved due to over sealing of the flashing joints, non-compliant to SA HB39 refer 5.8.3 as shown above. Rectifying these issues will stop future ingress and will increase longevity.
Ridge cap flashings in various areas have not been provided with 150mm of effective coverage, non-compliant to SA HB39 refer 8.1.4 as shown. Rectifying this issue will stop future ingress and will increase longevity.
Base of valley has not been turned down (weathered), joint is not undersealed and has insufficient fasteners, non-compliant to SA HB39 refer 5.8.3 as shown above. This will also reduce longevity as moisture from condensation gets trapped between the valley flashing and sheets leading to corrosion and future ingress. Also, evidence of barge caps with excessive overhanging into the valley, this is likely to trap in debris, block water flow and lead to corrosion and future ingress. Rectifying this issue will stop future ingress and will increase longevity.
Valleys installed to the roof are only 340mm wide and non-compliant to NCC 2016 refer 3.5.2.4, as shown. The minimum width required is 400mm.
Foot traffic damage in various areas across the roof, non-compliant to SA HB39 refer B6.5.1 and B6.5.2, as shown below. Rectifying this issue will stop future ingress and will increase longevity.
Evidence of deterioration to the skylight base. Paint is flaking and coming away causing the silicone to also detach, with gaps present. This is likely to trap in water and lead to ingress. Rectifying this issue will stop future corrosion, ingress and will increase longevity.
Evidence that ponding is occurring in various areas around property, resulting from insufficient falls, non-compliant to AS3500.3 refer 4.5.3 as shown. Total drainage required of roof components. Rectifying this issue will stop future ingress, corrosion and will increase longevity.
Numerous over tensioned and under fastened roof screws/split neoprene washers have been identified across the whole of the roof. Non-compliant to AS 1652.1 refer 4.4.2 as shown. Rectifying this issue will stop future ingress and will increase longevity.

Conculsion Outlined In Ormeau Roof Condition Report

There are many non-compliance issues as noted in this report and it would be beneficial to rectify these to ensure the roof is compliant and maintained longevity.