The fixing holes should normally be placed 20 to 25mm from the head of the slate for roof pitches of 60 and above including vertical two nails should be used to fix every tile.
How to nail roof tiles.
Older homes may have roof tiles held on with mortar.
Concrete tile roofs are more affordable than clay roofing and boast a comparable lifespan at 100 years concrete roof tiles are less heavy than clay roof tiles which can make installation easier and your home safer in the long run if the roof structure was to lose it s durability over time.
How to fix a roof.
When installing roofing nails always make sure the nail is flush to the shingle.
Double lap slates should have a minimum of two nails to every slate when centre nailed.
Start aligning and nailing the tiles at the right hand eaves work away from this point along and up the roof nailing as appropriate.
If you have not installed battens you can nail the tiles directly into the sheathing.
If you have installed battens first you will nail the tiles into the battens.
Start with one side first and then move along the length of the roof.
Unless you have roofing experience it s always best to see a professional to prevent further damage to the roofing membrane.
Fixing loose roof tiles before they re blown off.
Newer homes typically use nails to hold tiles in place.
Then use a waterproof sealant or mortar along the sides of the tiles to secure them and complete the seal.
For nibbed tiles at roof pitches below 60 two nails should be used to secure each tile in at least every fifth course.
Tiles can be nailed either directly into the roof sheathing or tiles with lugs can be nailed to battens.
Roofing nails are made of galvanized steel to protect them from the elements.
Every tile of the 2 rows at the eaves both the half and full tiles those up verges and along the 2 rows at the ridge both the half and full tiles should be nailed but otherwise only nail every fifth tile horizontally and every third tile up the roof.
A countersunk nail will rip the shingle and a nail that is not completely nailed down will eventually work its way out.
Corrosion resistant nails must be minimum 11 gauge with 5 16 inch heads and long enough to penetrate the sheathing by 3 4 inch typically 8d nails.
Verges all tiles on a verge should be nailed to the battens are they are exposed getting a neat finish to the verge as the sides of the tiles have either the under or over lap.
Secure the new tiles in place by simply hammering the nails into the tiles.