Roofs

5.1   Roof ridge has sagged
5.2   Roof trusses or rafters are bowed
5.3   Roof appears wavy
5.4   Leaks due to snow or rain driven into the attic through louvres or vents
5.5   Roof or flashing leaks
5.6   Inadequate attic ventilation
5.7   Ice buildup on the roof
5.8   Roof shingles have blown off
5.9   Tabs on asphalt shingles are not lined up
5.10 Asphalt shingles not sealed
5.11 Asphalt shingle edges are curled or cupped
5.12 Asphalt shingles either do not overhang the edge of the roof or hang over too far
5.13 Shading pattern is visible on an asphalt shingle roof
5.14 Variation in colour after repairs
5.15 Uneven roof sheathing causing visible irregularities in the roof surface
5.16 Roofing nails are exposed
5.17 Water is trapped under roofing membrane
5.18 Asphalt roll roofing is blistered but does not admit water
5.19 Standing water on a flat roof
5.20 Eavestroughs or downspouts leak
5.21 Eavestroughs overflow during normal rain
5.22 Eavestroughs or downspouts not performing properly
5.23 Eavestroughs don’t drain completely
5.24 Skylight leaks