Got a hunch your corrugated iron roof may have reached its use by date.
How to re roof with corrugated iron.
You will need around 20 nails or screws for one sheet.
In most cases by the time an iron roof is exhibiting signs of deterioration that are visible from the ground the damage is wide spread and irreparable.
Install a layer of roofing insulation as recommended by the roofing manufacturer.
Lay the remainder of the row.
How to install corrugated metal roofing.
Even if there s older tar paper.
Finish at the ridge line.
When i built my garden shed in 1987 i used onduline corrugated roofing following the.
Continue onto the next rows.
As long as the wood on your roof is in good condition you can go ahead and put tar paper down.
Continue across the roof until it is completely covered lapping over the previous panel by at least 2 5 inches 6 4 cm minimum.
Hammer down any large nails that are exposed by the removal.
Fit the first sheet.
Start from the top of the roof and remove the old shingles along with the flashing underlayment and vents.
Adjust the lap so that the last panel completes the coverage without making a cut lengthwise.
Use only specialty nails or screws suited for corrugated roof as they should be more water tight and weather proof.
Secure adjoining sheets as well.
Inspect the underlying roof sheathing for damage and make any needed repairs.
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Pre drill the holes and use 10 by 2 in 25 4 by 5 1 cm screws with polycarbonate washers.