Metal Roofing &
Fencing Insights.
Practical guides for Ontario homeowners on standing seam roofing, metal fencing, weather protection, and premium exterior upgrades.
153 articles in Metal Roofing — page 2 of 7
Downspouts: Sizing, Placement and Where the Water Should Actually Go
Downspouts are the throttle on the whole rainware system, and where they discharge decides whether your foundation stays dry. Sizing, outlet placement, extensions and winter behaviour.
Wind Exposure on the Escarpment and Open Rural Sites
Two identical houses can face very different wind. Terrain roughness and the speed-up of air over an escarpment brow decide how hard the wind hits a roof at your address.
Cool Roofing Explained: Solar Reflectance, Emittance and SRI
Three numbers describe how a roof handles the sun's energy, and they are not interchangeable. Here is what solar reflectance, thermal emittance and SRI measure, and how much they matter here.
Standing Seam on Warehouses and Large-Span Industrial Buildings
Big industrial roofs are a different problem than big residential roofs: purlin spans, uplift zones, panel handling, condensation in unheated space and runs long enough that thermal movement governs.
Standing Seam Panel Widths: What 12, 16 and 18 Inch Actually Change
Panel width sets the rhythm of the finished roof, the amount of metal and labour in it, and how much flat surface is available to show waviness. Here is how the three common widths compare.
Aluminum vs Steel Roofing: Weight, Corrosion and Salt Exposure
Aluminum will not rust and weighs a third of steel. Steel is three times stiffer and moves half as much. Here is how the two metals genuinely differ and where each belongs on an Ontario roof.
Metal Roof Maintenance: What Actually Needs Doing, and How Often
Metal roofing is low maintenance, not no maintenance. Here's the short, honest list of what genuinely needs attention on an Ontario roof, and roughly how often each item comes due.
Roof Deck Requirements for Metal Roofing
Metal panels show every flaw in the deck beneath them and rely on it for fastener holding. What sheathing type, thickness and condition are actually acceptable.
Soffit Venting: Perforated Soffit, Baffles, and Insulation That Blocks the Air
Intake is where most Ontario attics fail, and the failure is usually invisible from the ground. What perforated soffit actually delivers, where baffles go, and how to check your own eaves.
Ticking, Popping and Banging Noises From a Metal Roof
Some roof noises are normal thermal movement and some are telling you something is loose. The pattern — when it happens, in what weather, and whether it is new — is what separates them.
Seamless Eavestrough: How It Is Roll-Formed on Site
Seamless eavestrough is made at your house from a coil of painted metal, cut to the exact length of each run. Here is how the machine works, what seamless really means, and what to watch during install.
Humidity, Dew Point and Why Attics Get Wet in a Great Lakes Climate
Relative humidity tells you almost nothing useful about an attic. Dew point tells you everything: condensation happens when a surface is colder than the dew point of the air touching it.
Choosing a Metal Roof Colour for an Ontario Home
Light or dark changes more than curb appeal — it changes surface temperature, how dirt and chalk read, how oil-canning shows, and how the roof looks under snow. Here is what actually shifts.
Metal Roofing for Barns and Agricultural Buildings
Farm roofs face conditions no house roof sees: ammonia, constant humidity, hay moisture and long unbroken spans. What that means for coatings, fasteners, ventilation and re-roofing an old barn.
Seam Height Explained: What Changes Between 1, 1.5 and 2 Inch Standing Seams
Seam height is not just a styling choice. It sets how much water the roof can hold before it overtops the seam, how stiff the panel is, and how every flashing on the roof gets built.
Copper Roofing: Patina, Longevity, and Why It Gets Specified
Copper is the oldest architectural roofing metal still in regular use. Here is how the patina actually forms, what drives its timeline, and the honest reasons a copper roof gets chosen.
How to Clean a Metal Roof Without Damaging the Finish
Most metal roofs need nothing more than water and patience. Here's what to use, what to keep well away from the panels, and how to clean the parts you can reach without getting on the roof.
Solid Deck vs Open Purlins for Metal Roofing
Panels can go on a continuous deck or straight onto strapping. The choice changes the panel span, the condensation risk, the sound, and how the roof handles wind.
Condensation Under a Metal Roof: The Physics, and How Assemblies Prevent It
Water on the underside of a metal panel is almost never a leak. It is dew point, air leakage and a cold surface — and the fix is in the assembly, not in the panel.
Ridge Cap or Trim Lifting in Wind: What It Means and Why It Spreads
A lifted ridge cap or rake trim is not a cosmetic issue. Edges and ridges carry the highest wind loads on a roof, and one lifted piece becomes the lever that takes the next one.
Eavestrough Hangers: Hidden Hangers vs Spikes and Ferrules
The hardware holding your eavestrough up is the reason it sags, pulls away or survives thirty Ontario winters. How spikes fail, how hidden hangers work, and how spacing should change for ice load.
Installing a Metal Roof in Winter: What Genuinely Changes
Metal roofs go on through an Ontario winter, but a few things behave differently in the cold — membranes, sealants, coated steel, thermal movement and the amount of daylight you get.
Printed, Textured and Wood-Grain Metal Finishes: How They Are Made
Steel that looks like cedar, weathered barnboard or hammered copper is made three or four different ways, and the production method determines how it holds up outdoors. Here is how each one works.
Riding Arenas and Large Clear-Span Agricultural Roofs
Clear-span arena roofs combine long panel runs, visible structural deflection, heavy condensation and horses underneath. The details that decide the building are not the ones people ask about.