Metal Roofing &
Fencing Insights.
Practical guides for Ontario homeowners on standing seam roofing, metal fencing, weather protection, and premium exterior upgrades.
226 articles — page 3 of 10
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.
Ornamental Picket and Railing Profiles Explained
Picket size, rail type, top treatment and how the picket meets the rail — the four decisions that separate an ornamental fence that lasts from one that rattles loose.
Standing Seam vs Metal Shingles: Two Very Different Metal Roofs
Both are metal, and that is where the similarity ends. Panel runs, seam spacing, slope limits, thermal movement and roof geometry all push these two systems onto different houses.
Flush-Panel and Reveal-Joint Metal Siding for Modern Exteriors
Flat panels with tight joints or deliberate shadow gaps give the cleanest metal exterior available — and demand the most from the substrate, the barrier behind them and the installer.
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.
Striations, Pencil Ribs and Stiffening Beads: Why Flat Panels Get Texture
The grooves and ribs rolled into a metal panel are not decoration. They stiffen the pan and break up reflections so that unavoidable waviness stops being visible.
Zinc Roofing and the Self-Healing Patina: How It Actually Works
Architectural zinc is not pure zinc, and its patina genuinely does repair scratches. Here is the alloy chemistry, the mechanism behind self-healing, and the ventilation rule that decides whether it lasts.
Walking on a Metal Roof Safely (and Why You Probably Shouldn't)
Metal roofs can be walked on — but the surface is slippery, the safe footing depends on the panel profile, and the consequences of a wrong step are dents you can't undo or a fall you can't take back.
Fasteners for Metal Roofing: Screws, Clips and Where Each Is Used
Exposed screws, hidden clips, stitch screws and deck fasteners all do different jobs. Getting the wrong one — or driving the right one badly — is the most common cause of leaks.
Wood-Look Aluminum Fencing: How the Finish Is Produced and How It Wears
The wood grain on an aluminum fence is dye that has been driven into the powder coat, not printed on it. That process explains both why it is durable and how it eventually fades.
Metal Roofing vs TPO and EPDM on Low-Slope Roofs
On a genuinely flat roof, single-ply membrane is the right answer and metal is not. On a low but real slope, that flips. The dividing line is slope, and it is worth measuring.
Gauge, Panel Length and Oil Canning on Metal Walls
Oil canning is the most common complaint about metal siding and the least understood. What actually causes it, why walls show it more than roofs, and which specification choices genuinely reduce it.
Vapour Barriers and Air Barriers: They Are Not the Same Thing
One controls diffusion through materials, the other controls air flowing through holes. They are made of different things, tested differently, and fail differently — and the roof needs both.
Flashing Separation at Walls and Chimneys
Where a roof meets a wall or a chimney is where most roofs leak. Here is how to tell flashing failure from masonry absorption, and why re-caulking a wall flashing almost never holds.
Gutter Guards and Leaf Protection: An Honest Look at What They Do
Gutter guards reduce cleaning. They do not eliminate it, and some make ice worse. A straight comparison of mesh, screen, reverse-curve, foam and brush systems for Ontario conditions.