Check with wedi schluter laticrete goboard or whichever manufacturer to see how they want their product installed over a concrete subfloor.
Hardibacker ok roofing nails.
Hammer the nails around the perimeter first and then along the inside of the sheet.
For shower walls that are a little tough i will double predrill for my backer screws.
The gap allows for expansion just like between the walls and the board.
I will use a small bit for the hole then i will through each hole and use a larger bit.
Space the fasteners 8 inches apart on walls and 6 inches apart on ceilings.
Secure the cement board sheets to the studs with either 1 1 2 inch hot galvanized roofing nails driven with a hammer or 1 1 4 inch cementboard screws driven with a drill and driver bit.
Hammer them so they are flush with the surface of the hardie board.
Planning and executing a good roofing job requires knowledge of every aspect of the job.
This can be beneficial if you are wanting to insulate concrete from an electric floor heating system above it.
Step 4 set the second piece of hardie board next to the first and leave a gap of 1 8 inch on all sides.
Scrape the floors put down liquid nails lay down the hardi backer then nail the piss out of it with a roofing nailer.
That s why it was named the most preferred brand of backer board by tile installers and contractors according to the 2019 tile and stone report conducted by clearseas research in partnership with the national tile contractors association and tile magazine.
That procedure is 100 against what the entire industry recommends for installing tile backer boards.
Backer board cutting t square straightedge utility knife or carbide tipped scoring blade or fasteners hammer 1 inch corrosion resistant roofing nails 1 inch self drilling corrosion resistant screws drill sponge use a sponge to wet down the backer board before applying thin set above the backer board 2 inch wide alkali resistant.
The other is foam backer board which is ok to install over concrete.
Using the correct size of roofing nail will ensure that your roof stays intact for many years to come and can help you avoid the common problem of roofing nails that extract themselves over time and cause you to lose shingles.
Hardiebacker cement board is made better to install better and perform better.