Labrador Roof Inspection Report Purpose:

Provide recommendations to extend longevity. Check compliance with Class 1 & 10 Buildings BCA Volume 2 – 2010 Roof tiling. Roof tiles, complying with AS 2049, must be installed, fixed and flashed in accordance with the relevant provisions of this Part. Also checking compliance with N.C.C 2016 Vol.2, AS 1562.1, AS 1562.3 & SA HB 39 2015.

Findings & Recommendations In Labrador Roof Inspection Report

  • Evidence of numerous damaged and slipped roof tiles to the front valley, resulting from lack of tile clips being installed. Valley roof tiles have not been cut to leave 100mm to 150mm channels as per manufacturer’s instructions, if not rectified may lead to ingress. Information regarding installation of roof tile valley is shown.
  • Evidence of loose ridge caps and deterioration is consistent throughout, which are producing gaps and we expect further failures causing ingress.
  • Was not able to inspect for any damaged tiles in this area due to the solar panels being in place.
  • Evidence of lead Dektite which has not achieved the 150 mm recommended coverage. Non-compliant to SA HB39 refer to 8.1.4, as shown below. If not rectified this may lead to ingress.
  • Small number of damaged roof tiles and water courses have been identified, if not rectified may lead to ingress.
  • There is no evidence of sarking present, and the pitch of the main roof is approximately 20.5-degrees. This does comply with the manufacturer’s instructions. The minimum roof pitch for this design of tile is 20-degree pitch without sarking and 15- degree with sarking.

Reference Images Used In Roof Condition Report

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Building Code References

The main focus of this report was to check compliance with, Roof Tiling:

  1. (a) Roof tiles, complying with AS 2049, must be installed, fixed and flashed in accordance with the relevant provisions of this Part.
  2. (b) Roof tiles on roofs with a pitch of not less than 15 degrees and not more than 35 degrees must be fixed in accordance with Figure
  3. (c) Fixings for roof battens and batten sizes must comply with Part 3.4.3.
  4. (d) All tiled roof flashings, ridge and hip tiles must be installed in accordance with Figure
  5. (e) Lead flashings must not be used on any roof that is part of a potable water catchment area.
  6. (f) Sarking must be installed under tiled roofs in accordance with Table
  7. (g) Where sarking is installed, an anti-ponding device/board must-
    1. Be provided-
      1. On roofs with pitches of less than 20°; and
      2. On all roof pitches where they are no eaces overhand; and
    2. be fixed along the eaves line from the top of the fascia back up the rafter with a clearance of approximately 50mm below the first batten
  8. (h) All water discharged from a gutter valley or downpipe onto a tiled roof must be prevented from inundating or penetrating the tiling by the provision of-
    1. a spreader pipe; or
    2. a flashing; or
    3. sarking installed with a minimum width of 1800mm either side from the point of discharge and extended down to the eaves gutter


There are many issues highlighted in this report caused by lack of maintenance, repairs, and faults. These issues have been aggravated by extreme recent weather events. It would be beneficial to have these issues rectified to increase longevity.

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