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		<loc>https://roofingscience.roofnow.ca/urban-roof-heat-island/</loc>
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		<loc>https://roofingscience.roofnow.ca/roofing-in-cold-climates/</loc>
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		<loc>https://roofingscience.roofnow.ca/coastal-roof-corrosion/</loc>
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		<loc>https://roofingscience.roofnow.ca/cathedral-ceiling-roof-science/</loc>
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		<loc>https://roofingscience.roofnow.ca/ice-barrier-placement/</loc>
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		<loc>https://roofingscience.roofnow.ca/roof-air-barrier-concepts/</loc>
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		<loc>https://roofingscience.roofnow.ca/vented-vs-unvented-roof-assemblies/</loc>
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		<loc>https://roofingscience.roofnow.ca/rooftop-equipment-loads/</loc>
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		<loc>https://roofingscience.roofnow.ca/solar-panel-roof-attachment/</loc>
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		<loc>https://roofingscience.roofnow.ca/roofing-and-building-envelope-continuity/</loc>
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		<loc>https://roofingscience.roofnow.ca/roof-geometry-complexity/</loc>
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		<loc>https://roofingscience.roofnow.ca/roof-access-foot-traffic/</loc>
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		<loc>https://roofingscience.roofnow.ca/gable-end-wind-exposure/</loc>
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		<loc>https://roofingscience.roofnow.ca/ridge-cap-water-shedding/</loc>
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		<loc>https://roofingscience.roofnow.ca/roofing-wind-driven-rain/</loc>
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		<loc>https://roofingscience.roofnow.ca/shingle-seal-strip-performance/</loc>
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		<loc>https://roofingscience.roofnow.ca/roof-vent-penetration-detailing/</loc>
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		<loc>https://roofingscience.roofnow.ca/plumbing-boot-aging/</loc>
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		<loc>https://roofingscience.roofnow.ca/roof-runoff-patterns/</loc>
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		<loc>https://roofingscience.roofnow.ca/dormer-roof-flashing/</loc>
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		<loc>https://roofingscience.roofnow.ca/cricket-design-behind-obstructions/</loc>
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		<loc>https://roofingscience.roofnow.ca/roof-material-compatibility/</loc>
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		<loc>https://roofingscience.roofnow.ca/dissimilar-metal-roof-contact/</loc>
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		<loc>https://roofingscience.roofnow.ca/roof-overhang-performance/</loc>
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		<loc>https://roofingscience.roofnow.ca/roof-edge-wind-pressure/</loc>
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		<loc>https://roofingscience.roofnow.ca/corner-zone-fastening/</loc>
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		<loc>https://roofingscience.roofnow.ca/roof-assembly-redundancy/</loc>
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		<loc>https://roofingscience.roofnow.ca/primary-vs-secondary-water-barriers/</loc>
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		<loc>https://roofingscience.roofnow.ca/roof-drying-potential/</loc>
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		<loc>https://roofingscience.roofnow.ca/interior-leak-path-tracing/</loc>
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		<loc>https://roofingscience.roofnow.ca/roof-leak-source-vs-stain-location/</loc>
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		<loc>https://roofingscience.roofnow.ca/roof-maintenance-science/</loc>
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		<loc>https://roofingscience.roofnow.ca/roof-inspection-sequence/</loc>
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		<loc>https://roofingscience.roofnow.ca/freeze-thaw-roof-material-stress/</loc>
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		<loc>https://roofingscience.roofnow.ca/sealant-aging-on-roofs/</loc>
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	<url>
		<loc>https://roofingscience.roofnow.ca/pvc-roof-system-basics/</loc>
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		<loc>https://roofingscience.roofnow.ca/modified-bitumen-layering/</loc>
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		<loc>https://roofingscience.roofnow.ca/roof-surface-temperature-cycling/</loc>
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		<loc>https://roofingscience.roofnow.ca/epdm-roof-system-basics/</loc>
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		<loc>https://roofingscience.roofnow.ca/tpo-roof-system-basics/</loc>
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		<loc>https://roofingscience.roofnow.ca/roof-deflection-warning-signs/</loc>
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		<loc>https://roofingscience.roofnow.ca/membrane-seam-integrity/</loc>
		<lastmod>2026-06-28T14:38:22+00:00</lastmod>
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	<url>
		<loc>https://roofingscience.roofnow.ca/truss-load-distribution/</loc>
		<lastmod>2026-06-28T14:38:21+00:00</lastmod>
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	<url>
		<loc>https://roofingscience.roofnow.ca/rafter-span-roof-stiffness/</loc>
		<lastmod>2026-06-28T14:38:21+00:00</lastmod>
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	<url>
		<loc>https://roofingscience.roofnow.ca/sheathing-thickness-and-roof-performance/</loc>
		<lastmod>2026-06-28T14:38:20+00:00</lastmod>
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	<url>
		<loc>https://roofingscience.roofnow.ca/thermal-bridging-at-roof-framing/</loc>
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	<url>
		<loc>https://roofingscience.roofnow.ca/roof-deck-fastener-spacing/</loc>
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	<url>
		<loc>https://roofingscience.roofnow.ca/vapor-diffusion-through-roof-assemblies/</loc>
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	<url>
		<loc>https://roofingscience.roofnow.ca/air-leakage-into-attics/</loc>
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	<url>
		<loc>https://roofingscience.roofnow.ca/roof-pitch-transition-detailing/</loc>
		<lastmod>2026-06-28T14:38:18+00:00</lastmod>
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	<url>
		<loc>https://roofingscience.roofnow.ca/skylight-curb-water-management/</loc>
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		<loc>https://roofingscience.roofnow.ca/attic-insulation-and-roof-temperature/</loc>
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		<loc>https://roofingscience.roofnow.ca/interlocking-panel-water-shedding-2/</loc>
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		<loc>https://roofingscience.roofnow.ca/roof-slope-and-water-velocity/</loc>
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		<loc>https://roofingscience.roofnow.ca/asphalt-shingle-granule-loss-science/</loc>
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		<loc>https://roofingscience.roofnow.ca/steel-roof-panel-profile-stiffness/</loc>
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		<loc>https://roofingscience.roofnow.ca/standing-seam-clip-movement-2/</loc>
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		<loc>https://roofingscience.roofnow.ca/roof-debris-and-water-retention/</loc>
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		<loc>https://roofingscience.roofnow.ca/roof-aging-mechanisms/</loc>
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		<loc>https://roofingscience.roofnow.ca/drip-edge-function/</loc>
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		<loc>https://roofingscience.roofnow.ca/gutter-hydraulic-capacity/</loc>
		<lastmod>2026-06-28T14:38:14+00:00</lastmod>
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		<loc>https://roofingscience.roofnow.ca/chimney-flashing-science-2/</loc>
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		<loc>https://roofingscience.roofnow.ca/roof-wall-intersection-water-flow/</loc>
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		<loc>https://roofingscience.roofnow.ca/roof-fire-resistance-basics/</loc>
		<lastmod>2026-06-28T14:38:12+00:00</lastmod>
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	<url>
		<loc>https://roofingscience.roofnow.ca/low-slope-drainage-principles/</loc>
		<lastmod>2026-06-28T14:38:12+00:00</lastmod>
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	<url>
		<loc>https://roofingscience.roofnow.ca/roof-penetration-water-control/</loc>
		<lastmod>2026-06-28T14:38:12+00:00</lastmod>
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	<url>
		<loc>https://roofingscience.roofnow.ca/corrosion-cycles-on-roofs/</loc>
		<lastmod>2026-06-28T14:38:11+00:00</lastmod>
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	<url>
		<loc>https://roofingscience.roofnow.ca/hail-impact-roof-response/</loc>
		<lastmod>2026-06-28T14:38:11+00:00</lastmod>
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	<url>
		<loc>https://roofingscience.roofnow.ca/fastener-pullout-resistance/</loc>
		<lastmod>2026-06-28T14:38:10+00:00</lastmod>
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	<url>
		<loc>https://roofingscience.roofnow.ca/roof-coating-performance/</loc>
		<lastmod>2026-06-28T14:38:10+00:00</lastmod>
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		<loc>https://roofingscience.roofnow.ca/soffit-intake-airflow/</loc>
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		<loc>https://roofingscience.roofnow.ca/roof-surface-solar-heat-gain/</loc>
		<lastmod>2026-06-28T14:38:09+00:00</lastmod>
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		<loc>https://roofingscience.roofnow.ca/eave-edge-ice-dam-physics/</loc>
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		<loc>https://roofingscience.roofnow.ca/ridge-vent-pressure-balance/</loc>
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	<url>
		<loc>https://roofingscience.roofnow.ca/underlayment-water-shedding/</loc>
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		<loc>https://roofingscience.roofnow.ca/flashing-system-continuity/</loc>
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	<url>
		<loc>https://roofingscience.roofnow.ca/roof-valley-drainage-science/</loc>
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		<loc>https://roofingscience.roofnow.ca/metal-roof-thermal-movement-2/</loc>
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		<loc>https://roofingscience.roofnow.ca/roof-weathering-index/</loc>
		<lastmod>2026-06-28T14:29:53+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-noise-and-acoustics/</loc>
		<lastmod>2026-06-28T14:29:52+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/rainfall-impact-on-roof-surfaces/</loc>
		<lastmod>2026-06-28T14:29:52+00:00</lastmod>
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	<url>
		<loc>https://roofingscience.roofnow.ca/roof-panel-profile-geometry/</loc>
		<lastmod>2026-06-28T14:29:51+00:00</lastmod>
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	<url>
		<loc>https://roofingscience.roofnow.ca/roofing-material-density-and-weight/</loc>
		<lastmod>2026-06-28T14:29:50+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roofing-material-thickness/</loc>
		<lastmod>2026-06-28T14:29:50+00:00</lastmod>
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	<url>
		<loc>https://roofingscience.roofnow.ca/air-barrier-continuity-at-roofs/</loc>
		<lastmod>2026-06-28T14:29:49+00:00</lastmod>
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	<url>
		<loc>https://roofingscience.roofnow.ca/vapor-control-layer-placement/</loc>
		<lastmod>2026-06-28T14:29:49+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/primary-and-secondary-drainage-planes/</loc>
		<lastmod>2026-06-28T14:29:48+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/cladding-and-roof-interface/</loc>
		<lastmod>2026-06-28T14:29:48+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/durability-by-design-roofing/</loc>
		<lastmod>2026-06-28T14:29:47+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-system-redundancy/</loc>
		<lastmod>2026-06-28T14:29:47+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-assembly-service-life/</loc>
		<lastmod>2026-06-28T14:29:46+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/humidity-ratio-in-attic-air/</loc>
		<lastmod>2026-06-28T14:29:45+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/dew-point-in-roof-assemblies/</loc>
		<lastmod>2026-06-28T14:29:45+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/radiant-heat-and-roof-surfaces/</loc>
		<lastmod>2026-06-28T14:29:44+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/attic-temperature-stratification/</loc>
		<lastmod>2026-06-28T14:29:44+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/flat-roof-slope-design/</loc>
		<lastmod>2026-06-28T14:29:43+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-insulation-r-value-aging/</loc>
		<lastmod>2026-06-28T14:29:43+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/gable-roof-wind-exposure/</loc>
		<lastmod>2026-06-28T14:29:42+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/mansard-roof-water-management/</loc>
		<lastmod>2026-06-28T14:29:42+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/ridge-cap-weather-exposure/</loc>
		<lastmod>2026-06-28T14:29:41+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/hip-roof-load-behavior/</loc>
		<lastmod>2026-06-28T14:29:41+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/eave-protection-science/</loc>
		<lastmod>2026-06-28T14:29:40+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-drip-edge-function/</loc>
		<lastmod>2026-06-28T14:29:40+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/surface-tension-and-roof-water/</loc>
		<lastmod>2026-06-28T14:29:39+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-lap-length-principles/</loc>
		<lastmod>2026-06-28T14:29:39+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/capillary-action-in-roofing/</loc>
		<lastmod>2026-06-28T14:29:38+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/water-staining-pathways/</loc>
		<lastmod>2026-06-28T14:29:37+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-leak-diagnostics/</loc>
		<lastmod>2026-06-28T14:29:37+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-inspection-sequencing/</loc>
		<lastmod>2026-06-28T14:29:36+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-failure-pattern-analysis/</loc>
		<lastmod>2026-06-28T14:29:36+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-debris-moisture-retention/</loc>
		<lastmod>2026-06-28T14:29:35+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-moss-growth-conditions/</loc>
		<lastmod>2026-06-28T14:29:34+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/algae-staining-on-roofs/</loc>
		<lastmod>2026-06-28T14:29:34+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-thermal-shock/</loc>
		<lastmod>2026-06-28T14:29:33+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/freeze-thaw-cycles-on-roofs/</loc>
		<lastmod>2026-06-28T14:29:33+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/asphalt-shingle-granule-loss/</loc>
		<lastmod>2026-06-28T14:29:32+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-blistering-science/</loc>
		<lastmod>2026-06-28T14:29:32+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/nail-pops-in-roofing/</loc>
		<lastmod>2026-06-28T14:29:31+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-screw-washer-aging/</loc>
		<lastmod>2026-06-28T14:29:31+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-material-expansion-coefficients/</loc>
		<lastmod>2026-06-28T14:29:30+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/fastener-corrosion-in-roof-systems/</loc>
		<lastmod>2026-06-28T14:29:30+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-panel-oil-canning/</loc>
		<lastmod>2026-06-28T14:29:29+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/standing-seam-clip-movement/</loc>
		<lastmod>2026-06-28T14:29:28+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/interlocking-panel-water-shedding/</loc>
		<lastmod>2026-06-28T14:29:28+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/skylight-leak-risk/</loc>
		<lastmod>2026-06-28T14:29:27+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-cricket-water-diversion/</loc>
		<lastmod>2026-06-28T14:29:27+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-vent-stack-flashing/</loc>
		<lastmod>2026-06-28T14:29:26+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/chimney-flashing-science/</loc>
		<lastmod>2026-06-28T14:29:26+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-valley-ice-accumulation/</loc>
		<lastmod>2026-06-28T14:29:25+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-snow-drift-patterns/</loc>
		<lastmod>2026-06-28T14:29:25+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/downspout-flow-capacity/</loc>
		<lastmod>2026-06-28T14:29:24+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-overhang-physics/</loc>
		<lastmod>2026-06-28T14:29:23+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/gutter-hydraulics-for-roofs/</loc>
		<lastmod>2026-06-28T14:29:23+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-pitch-measurement-science/</loc>
		<lastmod>2026-06-28T14:29:22+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-deck-deflection/</loc>
		<lastmod>2026-06-28T14:29:22+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/rafter-and-truss-load-transfer/</loc>
		<lastmod>2026-06-28T14:29:22+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/unvented-roof-assembly-principles/</loc>
		<lastmod>2026-06-28T14:29:21+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/cold-roof-vs-warm-roof-design/</loc>
		<lastmod>2026-06-28T14:29:20+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/vented-roof-assembly-principles/</loc>
		<lastmod>2026-06-28T14:29:20+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-insulation-compression/</loc>
		<lastmod>2026-06-28T14:29:19+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/continuous-insulation-above-roof-deck/</loc>
		<lastmod>2026-06-28T14:29:19+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/vapor-diffusion-in-roofs/</loc>
		<lastmod>2026-06-28T14:29:18+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/air-leakage-and-roof-moisture/</loc>
		<lastmod>2026-06-28T14:29:18+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-assembly-drying-potential/</loc>
		<lastmod>2026-06-28T14:29:17+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-material-fatigue/</loc>
		<lastmod>2026-06-28T14:29:16+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/uv-degradation-of-roofing/</loc>
		<lastmod>2026-06-28T14:29:16+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/hail-impact-energy-on-roofs/</loc>
		<lastmod>2026-06-28T14:29:15+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/fire-resistance-in-roof-assemblies/</loc>
		<lastmod>2026-06-28T14:29:15+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-penetration-waterproofing/</loc>
		<lastmod>2026-06-28T14:29:14+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-edge-wind-zones/</loc>
		<lastmod>2026-06-28T14:29:14+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/low-slope-roof-ponding/</loc>
		<lastmod>2026-06-28T14:29:13+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/membrane-roof-seam-performance/</loc>
		<lastmod>2026-06-28T14:29:13+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-drainage-capacity/</loc>
		<lastmod>2026-06-28T14:29:12+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/galvanic-corrosion-roof-components/</loc>
		<lastmod>2026-06-28T14:29:11+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-sealant-aging/</loc>
		<lastmod>2026-06-28T14:29:11+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-coating-adhesion-science/</loc>
		<lastmod>2026-06-28T14:29:10+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/corrosion-cells-on-metal-roofs/</loc>
		<lastmod>2026-06-28T14:29:10+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/ridge-vent-performance-principles/</loc>
		<lastmod>2026-06-28T14:29:09+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/soffit-intake-ventilation/</loc>
		<lastmod>2026-06-28T14:29:09+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/emissivity-and-roof-temperature/</loc>
		<lastmod>2026-06-28T14:29:08+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/attic-airflow-pathways/</loc>
		<lastmod>2026-06-28T14:29:08+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-surface-solar-reflectance/</loc>
		<lastmod>2026-06-28T14:29:07+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-slope-and-water-shedding/</loc>
		<lastmod>2026-06-28T14:29:06+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/valley-drainage-hydraulics/</loc>
		<lastmod>2026-06-28T14:29:06+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-deck-moisture-content/</loc>
		<lastmod>2026-06-28T14:29:05+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/ice-dam-formation-science/</loc>
		<lastmod>2026-06-28T14:29:05+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/fastener-withdrawal-resistance/</loc>
		<lastmod>2026-06-28T14:29:04+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/metal-roof-thermal-movement/</loc>
		<lastmod>2026-06-28T14:29:04+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/roof-underlayment-water-management/</loc>
		<lastmod>2026-06-28T14:29:03+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/flashing-lap-direction-science/</loc>
		<lastmod>2026-06-28T14:29:03+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/snow-load-distribution-on-sloped-roofs/</loc>
		<lastmod>2026-06-28T14:29:02+00:00</lastmod>
	</url>
	<url>
		<loc>https://roofingscience.roofnow.ca/thermal-bridging-through-roofs/</loc>
		<lastmod>2026-06-28T14:29:01+00:00</lastmod>
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