Taking time to check your roofing should be a part of your seasonal home maintenance routine. It will help you catch signs that could potentially cause huge problems later on, such as the following:
Shiners
If you can’t see any telltale flow marks and the ceiling stain is fairly small, look at the underside of the roof for ‘shiners.’ A shiner is a nail that missed the framing member. Moisture that escapes into the cold attic from the rooms below often condenses on cold nails. Sometimes you can spot this if you climb up into your attic on a cold night. The nails will look white because they’re frosted. When the attic heats up a bit during the day, the frost melts and drips, then the nails frost up at night again and so on. The solution is to simply clip the nail with a side-cutting pliers. Source: FamilyHandyman
Damaged flashing
The flashing around vents, skylights, and chimneys seals the seams of the roof from rain and weather. Examine these points make sure there are no cracks or breaks, which could lead to leaks. In older homes, flashing is often made of roof cement or tar, but it’s a good idea to upgrade to a metal flashing system for added durability. Source: BobVila
Moss
Moss on the roof is more harmful than beautiful. Its spores collect between shingles, growing and spreading to form mats a few inches thick. These mats store rainwater, which wicks underneath shingles, soaks the underlayment and, if unchecked, rots the roof sheathing.
If you have moss, remove it. An air broom works nicely. Don’t power wash the roof, because that can drive water underneath the shingles or tiles. Once the moss is gone, apply a chemical treatment or zinc or copper solution to kill any remaining moss spores. Alternatively, install zinc or copper strips at the roof’s peak to kill moss in the coming decades. When reroofing, consider shingles with built-in moss inhibitors. Source: Nationwide
If you have any roof-related concerns, we’re here to help you out. Call us today and get a free estimate!
Contact:
Kerrisdale Roofing & Drains
8296 Ross St, Vancouver, BC V5X 4C6
(604) 360-2114
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