If an open grid framed roof or widely spaced old solid roofing planks as the sheathing it is important to tightly stretch this so it does not sag down and hold water between the framing roof sheathing boards and the metal roofing obviously far better to put down a solid sheet sheathing first when doing a reroof in that sort of situation.
Why use a 16 spacing for standing seam metal roofing.
Think of oil canning as the metal on a standing seam metal system being over stressed and unable to hold a flat form which causes the metal to give in and create visible waves.
Proper metal roofing installation begins with the use of the right equipment starting with the screws used to anchor your panels to the structure.
We carry both stock and custom trims and flashings and provide screws and other accessories specific to standing seam installation.
With this 24 ga 16 wide panel engineering you may opt to use heavier gauge coil and narrower width panels.
The thicker the metal material for your roof the more expensive it.
You must make sure you are placing the screws in the appropriate place for a tight fit so that the panel is able to resist specific loads.
Oil canning is easily one of the hottest topics in metal roofing because it can be difficult to define and measure.
The recommended dimensions should be specified from the table below.
Seams the weak point in any roof and a potential entry point for moisture are raised above the level of the roofing panel.
One great advantage of standing seam metal roofs is contained in the name itself.
Standing seams cost about 2 45 per linear foot.
Standing seam roofing is composed of preformed or field formed pans usually between 14 to 18 inches wide when finished.
Standing seam roofing is available in either acrylic coated or galvalume or several different colors low gloss paint systems on the finish side with primer and washcoat on the reverse side.
This cannot be said for composition shingles or especially for torch down or rolled roofing.
These pans run parallel to the slope of the roof and are joined to adjacent pans with double locked standing seams.
This is often why exposed fastener metal roofing tends to be considered the less labor intensive option when compared to standing seam metal roofing.
Most systems use a lap seam where the edges of each panel overlap the one adjacent to it and are then fastened down together at the same time.
For slopes lower than 2 12 roof pitch contact walnut creek metals for further installation direction and requirements.
Clip spacing will not change.
Why is screw spacing important.
A few disadvantages of a standing seam metal roof.
Clipless one piece positive locking standing seam panel that provides a timeless roof appearance.