Ready to Plan Metal Roofing Installation for a house in Penn Township Pennsylvania?
The crew at The Roofing Company will explain how metal panels go on, and what snow does to a smooth metal surface
Dial 412-858-8858 and tell us about your roof
Ribs, Seams and Shingle Shapes, and How They Differ
Plain corrugated roofing is a rolled metal sheet with rounded ribs, held down by screws driven through its face, and the washers under those screw heads wear before the metal does.
Standing seam metal is held by hidden clips under raised ribs, so the visible surface has no screw heads, and the long lines are clean.
Stamped metal shingles overlap in rows much like ordinary shingles, though each piece is stiffer and lighter, and each piece locks to the one beside it.
A homeowner weighing Metal Roofing Installation should first decide which of these looks and behaviors suits the house, and write down what you like about each.
When the Whole Roof Lets Go at Once: Plan Ahead
A metal roof holds snow poorly, so the load leaves in a single heavy slide, and that is a hazard for anyone below.
Snow guards are small blocks or rails fastened to the panels to break up the slide and hold snow in place, and the right spacing depends on the length of the slope.
A metal roof does not remove the cause of ice dams, which is warm air escaping from the house, and air sealing in the attic is often the real fix.
Talking through Metal Roofing Installation should include where the snow will land and how to hold it back, since a slide near a door is a safety matter.
Why Metal Needs Room to Slide: Built to Move
Over a long slope, the daily and seasonal change in length adds up to something a fastener has to allow for, and clips that slide solve the problem on a seamed roof.
On a ribbed roof the screws are the part that ages first, since sun and temperature swings harden the washers, and replacement screws are a normal part of upkeep.
Your questions on Metal Roofing Installation should reach the clips, the screws and what lets the panel slide, and a roofer who has thought about it will have an answer ready.
Deck, Membrane and Ventilation: Before the Metal Goes On
The waterproof layer under the panels is the unseen part of the roof, and it carries real weight, and any boards that are soft get replaced first.
Metal is a cold surface, so moist air from the house can condense under the panels if the attic is not handled, and a slick synthetic underlayment is often chosen for this purpose.
Before Metal Roofing Installation begins, the deck, the eaves and the vents should all be looked at, because everything beneath the panels is hidden once the work is done.
Where the Metal Meets Everything Else: Where Leaks Start
- Plumbing vents and exhaust pipes take more handwork than the flat panels around them.
- Drip edges along the bottom should keep wind, insects and blowing snow from getting under the panels.
Mixing metals such as copper, aluminum and steel can cause corrosion where they meet and water sits, and the roofer should be able to name them.
The flashing is where Metal Roofing Installation is won or lost, since the open panels are the easy part, and a sketch or photo from an earlier job helps.
Over the Old Roof or Down to the Deck: How to Decide
A roofer may suggest a retrofit over the existing roof when the layer underneath is flat, dry and sound, and the decision should never be made from the ground alone.
Tearing off exposes the deck so soft or rotted boards can be found and replaced before the metal covers them, and it gives a clean flat base for the panels.
Talk about tear-off early in any discussion of Metal Roofing Installation, since it changes the scope and the schedule, and a written scope helps when comparing proposals.
What to Expect After Installation: Sound, Dents and Color
The sound of a summer thunderstorm on metal varies with the system, the deck and the attic, and an attic full of insulation softens the drumming.
A dent is mostly a cosmetic matter, but heavy hail can mark a panel finish or a ridge, and the answer varies by product.
Finish quality is a big part of how a metal roof ages, since paint can chalk or fade and scratches can expose bare metal, and the leaves and debris should be cleared from valleys.
Sound, hail and finish are all fair topics when you are weighing Metal Roofing Installation, and a sample panel is a useful thing to hold.
A Typical Sequence of Work, Start to Finish
The first work is protection for plants and walkways, followed by tearing off or preparing the existing roof, and the deck is inspected once it is exposed.
After the underlayment and flashing, panels are laid out from one edge and fastened in sequence, and snow guards go on where the plan calls for them.
Cleanup finishes the day, with a magnet sweep for nails and a last walk around the property, and any loose ends should be settled before the crew leaves.
Challenges That Come With the Landscape: Hills, Rowhouses and Rooflines
Steep lots and narrow streets limit where panels can be staged and where a slab of snow can land; sheets can be cut to length on site where long panels will not fit.
Every Metal Roofing Installation project on a tight street needs a plan for where the materials sit and where the snow goes; a photograph of the property helps the roofer plan.
What to Ask Before You Choose: Plain Questions
- Which panel profile do you recommend for this roof, and how does it handle snow?
- How will you hold snow back on my roof, and can you mark it on a drawing?
- How do you handle condensation under the metal, and what do you do about soft boards?
Start the Conversation, and Plan It Properly
A metal roof is a long decision, and it rewards time spent on the details at the start, so bring your questions and your priorities.
Dial 412-858-8858 and tell us what you have in mind for Metal Roofing Installation, and the next step is simple.
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