Box Profile Roofing Instructions

Written by jane humphries
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Box Profile Roofing Instructions
Box profile roofing is suitable for residential and commercial applications. (hintergrund wellblech image by Otmar Smit from Fotolia.com)

Box profile roofing consists of a corrugated sheet with profiles and valleys. The profiles on this type of roofing are square-shaped with a flat edge running down the length of the panel. Box profiling products are available in various material types including galvanised steel, Plastisol coated steel and PVC plastic. The corrugated sheets are commonly cheaper than traditional shingle roofing and are suitable for commercial and residential properties. Box profile roofing products are often advertised for the Do-It-Yourself market and the installation is straightforward.

Skill level:
Easy

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Things you need

  • Protective gloves
  • Protective eye goggles
  • Box profile roofing panels
  • Electric drill
  • 1/4-inch drive socket
  • Tech fasteners
  • Caulking gun
  • Bead sealant

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Instructions

  1. 1

    Check the direction of the prevailing wind over the property where you want to install the box profile roofing. This ensures that you begin the installation at the correct side of the roof so that the overlap seams are downwind in the most common wind direction. Check local roofing codes to determine the installation regulations for the roof pitch and slope.

  2. 2

    Wear protective gloves and eye goggles. Line up the first panel at the eave and to the side edge of the roof, and downwind of the prevailing wind direction. For example, if the wind is coming across the roof from right to left then you begin at the far left of the roof and work from left to right across the roof.

  3. 3

    Use tech fasteners to secure the box profile panel to the roof deck. Attach a ¼-inch drive socket into an electric drill and position the drive socket into the indent in the top of the tech fastener. Place the screw at least one inch in from the edge and on a valley and power in the fastener with the drill. Make sure the rubber washer is not over-compressed, as it should be tight but not squashed.

  4. 4

    Continue to attach tech fasteners along the edge at intervals of two valleys. Secure to each side of the centre-most profile on the panel for extra attachment strength. Drill in fasteners along the vertical side next to the roof edge at 6-inch intervals.

  5. 5

    Move up one tier and position the panel along the side edge of the roof and overlap the horizontal edge of the first panel by the amount dependent upon local roofing codes for your type of roof pitch. A lower pitch requires more overlap than a steep pitched roof. Attach the second panel in the same way as the first but this time you screw the fastener through both panels along the overlap.

  6. 6

    Move down one tier and position the third panel by overlapping the edge of the first panel by one profile. Screw a tech fastener into the valley of the overlap to secure both panels to the roof deck. Secure the vertical overlap at 12-inch intervals, and use a caulking gun to seal the seam with bead sealant.

  7. 7

    Drill in fasteners as before to secure the bottom horizontal edge. Move up one tier to position the fourth panel and copy the overlaps so that the panel is in line. Fasten the box profile sheet to the roof deck using the same method as before. Continue across the roof fitting the sheets in a two tier pattern until the installation is complete.

Tips and warnings

  • Overlap the vertical seams by two profiles in high wind areas.
  • Wear protective gloves and eye goggles to avoid injury from sharp edges when handling roof panels.

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