The problem should be easy to diagnose.
Correct nails for cement siding.
Learn how to nail hardieplank lap siding with this instructional video from james hardie.
15 hot dip galvanized ring shank fiber cement siding nails.
15 coil ated nails labeled for fiber cement and cedar shakes shingles.
From the top of the board.
If the hardiplank is being installed on a building in a humid climate or near the ocean or any large body of water the stainless steel nails are the first choice.
8d hot galvanized spiral siding nails 1 lb pack are hot galvanized for durability and are ideal for fastening your siding project.
8d hot galvanized spiral these grip rite 2 1 2 in.
These grip rite 2 1 2 in.
If hand nailing fiber cement siding use hot dipped galvanized nails and drive the nails into the wall studs.
Simply go outside grab the lower edges of a siding course and try to slide it back and forth photo 1.
Nails for blind nailing should be between 1 in.
These nails feature a spiral design.
N nail lengths should be chosen so they penetrate a minimum of 1 1 4 in.
Be sure the flashing overlaps the siding course below.
Into the solid wood wood sheathings like osb and plywood count toward the 1 1 4 in but soft sheathings like fiber board and foam don t.
Use 6d or 8d galvanized or stainless siding nails and install a single nail about 1 in.
From ends of boards.
It isn t always possible to nail.
Nails are driven through the sheathing into the studs.
8d nails which are 2 1 2 inches long are suitable for most siding materials.
Pick out stainless steel or hot dipped galvanized nails size 6d 1 1 2 inch long siding nails and 2 inch long siding nails in the quantity you need for your project.
Leave a small gap at butt joints and fill with caulk.
More product details close.
Down from the top edge at each stud no more than 16 in.
1 blind nailing measurements keep nails 3 8 in.
Drive the nail heads flush to the siding not below the surface.
Vinyl siding tends to expand and contract considerably with temperature changes.
For this reason manufacturers design it to hang loosely on the nails rather than to be tightly nailed like wood siding.
Maze stormguard double hot dip galvanized nails are recommended by many of the fiber cement manufacturers and the cedar shake and shingle bureau.