Most codes now allow no more than two layers of roofing before requiring a complete tear off.
How to metal roof your house.
How to install a metal roof on a house covering your existing asphalt shingles with metal roofing might be worth the expense.
Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are.
Metal roofs can be as much as two or three times more expensive than other roofing materials.
Here are some pros and cons.
Most metal shingles will be attached to the roof using metal shingle.
Metal roofs can be noisy especially during a heavy rain or hailstorm.
That s no longer true.
Can you put steel roofing over asphalt.
And for any exposed fasteners try to avoid over tightening them.
Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.
In this video i m installing some metal roofing over an existing ash fault shingled roof.
Space the screws about 12 in 30 cm apart.
This is not a complete install only basic install on a bungalow i.
Try to space the screws about 12 inches apart down the entire piece of metal.
Can you avoid tearing off your old asphalt shingle roof by putting a steel roof over it.
And when you upload a photo of your own home the visualizer tool enables you to see what your house would look like with any of our metal roofing products and available color options.
For exposed fasteners avoid over tightening the fastener.
Metal roofs are not just a novelty.
If you want to install steel over asphalt your best choice for installing metal roofing is to use a steel shingle system like the one shown instead of the more common and more expensive standing seam steel.
Use your neoprene washer head screws to secure the metal to the sheathing.
Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.
Moreover try to ensure that the screws are all aligned evenly.
The visualizer tool comes with a tutorial that walks you through each step of the process.
Metal roofing is increasingly found in conventional houses thanks to increasing availability and improved manufacturing processes according to industry statistics market share for metal roofing has been increasing at a rate of roughly 3 percent each year over.
In a standing seam roof long single panels run vertically all the way from the eave to the ridge.