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5 November 2024
MeghanM999
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ZaneHuber23
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Junko9218718
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HelenEatock0441
Created page with "If your roof will have open valleys, which IKO recommends, now is when the valleys should be lined with a pre-formed width of corrosion-resistant metal. For longer roof performance, IKO strongly recommends open metal valleys. Complete the application of underlayment and valley flashing before the roofing shingles are applied. The recommended flashing material is a 28-gauge galvanized metal or an equivalent corrosion resistant, non-staining material . Center a 914 mm (36..."
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