News From Cardinal Steels
Insulated or Twin-Skin? Choosing the Right Steel Roof Build-Up
Once you have decided a building needs an insulated roof rather than a single skin, there is a second decision that gets far less discussion: whether to use composite panels or build up two skins on site. Both are common, both work, and they suit quite different jobs....
What Is Cut Edge Corrosion on Metal Roofing Sheets?
Are you noticing peeling paint or rust along the edges and ends of your metal roofing sheets? These are often signs of cut edge corrosion, a common issue that, if left untreated, can significantly reduce the durability and lifespan of your metal roofing. In this...
Roof Over-Cladding Explained: A Practical Alternative to Full Roof Replacement
Is your roof in need of replacement, but you don’t want the disruption of builders, disposing of the old roof and leaving your building open to the weather? Roof over cladding could be the answer. Instead of stripping the existing roof, a new insulated steel roof is...
Can You Use Corrugated Steel Sheets on Curved and Arched Roofs?
Curved and arched roofs are a popular choice across agricultural, industrial and commercial buildings, offering both structural strength and visual appeal. But can corrugated steel sheets be used on curved and arched roofs? Widely known for their durability,...
Metal Roof Dripping Water: Causes and Fixes
Are you noticing water dripping from your metal roof, even when it hasn’t been raining? This is rarely a roof leak and is far more likely to be caused by condensation forming beneath the metal sheets. Condensation is an extremely common issue with metal roofing,...
How to Choose the Right Size Z Purlin for Your Roof
Z purlins are critical components in steel-framed buildings, providing essential support for both roofs and walls. Choosing the right Z purlin size matters because not all Z purlins are the same. Their size, strength and profile must be carefully matched to the...
How to Stop Cold Bridging in Metal Roof Sheets
If you've ever seen water dripping from the underside of a metal roof on a cold morning, you've seen the effects of cold bridging. It's a common problem on single skin roofs. Left alone, it can lead to damp, mould, corrosion and a lot of wasted heat. The good news is...
Why Do Corrugated Roof Fasteners Rust?
Rust around the screws is one of the most common problems on corrugated metal roofs. It often starts small, with a few orange spots or streaks. Left alone, it can lead to leaks, loose fixings and sheets that start to lift. The good news is that most of it can be...
Is It Safe to Walk on Box Profile Roof Sheets?
You can, but there's a right and a wrong way to do it. Box profile sheets are tough once they're fixed down, but step in the wrong place and you'll dent the sheet. Go up without the right precautions and you're putting yourself at risk. Here's what you need to know...








