METAL ROOF OTTAWA inc.
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Self Ventilating Continuous Form Metal Roofing

Custom length roll form panels that match your roofs slope length


Benefits of Continuous Form Metal Panels Over Metal Shingles
​

London Eco Roof Manufacturing Inc. uses long continuous form  metal panels mechanically fastened to a double strapped 1’x3” spruce roof ventilation sub-assembly.  Because our metal panels are manufactured specifically  to match your roof slope and length,  the London Eco roof system has over 90% fewer joints than an interlocking panel metal roof system. This  makes it less prone to water infiltration and leaks. 

Installed  onto Wooden Strapping Rather Than Directly to the Roof Deck

London Eco Roof panels are mechanically fastened on to a horizontal spruce strapping system (rather than directly to your roof deck itself),  meaning the fasteners do not create hundreds of perforations in the vapour barrier itself.  The vapour barrier installed beneath your new metal roofing  is designed to  prevent moisture condensation from infiltrating your roof deck  and prevent rotting.  


(Note: condensation naturally forms beneath  all metal roofs whenever humidity and temperature changes.)

Weight Bearing Load of New Roof Supported by Rafters- not the Existing Sheathing Deck

Smaller metal shingles are applied directly to the roof deck using concealed fasteners. Not only does this create thousands of perforations in the newly applied  vapor barrier system, its also means that the weight bearing load of snow in winter is supported by the sheathing deck.

If your roof has had one or more previous shingle replacements, the sheathing deck (due to ageing) may be starting to sag between rafters. 

This negatively effects both the aesthetics and life expectancy of your roof  in the long term.

A London Eco Roof is strapped to your roofs existing rafters, meaning it can also be easily shimmed to ensure it is 100% level. There is nothing worse than a sagging new metal roof, a commonly seen flaw with metal shingles

Less Torque Exerted by Metal Expansion and Contraction with Our Metal Roofs

Metal roofing expands and contracts with temperature change. Traditional ribbed metal roofing can expand by  1/2 - 3/4 inch on an 18 foot run. Over time the forces of expansion and contraction can work fasteners loose.


 To prevent this, London Eco Roof Architectural Panels (Bingo ,Bravo &  EcoTile)  are engineered  with a unique tension release feature  built in to the relief edges of every architectural panel. This  feature eliminates traditional stress loads exerted on exposed mechanical fasteners when your  metal panels expand and contract.

Why OUR Exposed Fastener system WILL not LEAK

 
The main reason that exposed fasteners on many roll form metal roof systems fail is because of daily expansion and contraction of the steel panels that works the fasteners loose and increases the diameter of the screw holes, eventually  leading to leaks.  On a standard 18 foot roll formed metal panel this expansion is typically around ½” daily.
 
Because the London Eco panels are profiled with a scalloped European design providing both  lateral and lineal expansion, the  torque is confined to 18” panel sections which accommodate this expansion and contraction without working loose the fasteners or increasing the diameter of the screw holes
 
Our neoprene washers are capped by a metal cup with eliminates UV exposure and because the roof system is double strapped, the surface temperature of the panels remains significantly lower which helps extend paint life and also reduces weathering of the concealed neoprene washers
 
Our ‘permaseal’ exposed fastener  system  uses a corrosion resistant 1.5” fastener designed to match the longevity of your roof panels.  Each fastener includes a completely encapsulated neoprene washer sealed within a cupped metal washer that is torqued to 30 lbs. PSI to protect the neoprene against UV exposure and degradation.  Our corrosion resistant screws are coated with the same paint as your metal roof to ensure no color variation between your roof and screws.

Exposed fasteners allow the roof panels to be individually removed or replaced  should  access to the roof ever be   required – or in the event that individual panels are damaged by falling debris like trees.

All that said, if your roof ever  leaks, remember it is covered by London Eco’s 50 year, non pro-rated warranty covering both material and workmanship


 


Self Ventilating Cool Metal Roofing


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Metal Roof Ottawa Inc.
Call Us: 613-978-8644 
E-Mail Us: sales@metalroofottawa.com
Closed -18 Enterprise Avenue, Unit J. Ottawa. Ontario. K2G 0A6
SHOWROOM CLOSED - WE ARE BASED AT THE VARS LOCATION
 London Eco Metal - 960 Burton Road, Vars. Ontario.  K0A 3H0
Website by AURAL MARKETING
  • Home
    • Eco Roof Video Presentation
    • Careers
  • Gallery
  • About Eco Roof
    • What Makes Eco Roofs Different >
      • Compare Eco-Roof to Metal Shingles
      • Metal Roof Warranty
      • Metal Roof Energy Savings
      • Metal Roof Installation
      • Metal Roof Flashing Details
      • Continuous Form Panels
      • Metal Roof Paint Fading
      • Coating Warranty
    • Styles & Finishes
    • Metal Roofing for Churches
    • Metal Roofing FAQ's
  • Metal Roofing
    • Metal Roof Accessories >
      • EavesTroughs
      • Insulated PANELS
      • Roof Insulation
      • Roof Painting
    • Metal Roof VS Shingles >
      • Shingles Class Action Lawsuit Survey
    • How Much Does a Metal Roof Cost >
      • Metal Roof Calculator
      • Metal Roof Economics
    • Preventing Condensation In Metal Roofs
    • Preventing Ice Dams on Roofs
    • Metal Roof Noise Reduction
  • Get Started
    • Request a Quote
    • See Promotions
    • See Completed Jobs
    • Apply for Financing
    • Leave us a Review
    • Refer a Friend or Neighbor
    • Buy Steel - Factory Direct
    • Contact Us