do you need plywood behind hardie board

Some people might place a piece of wood behind the board to provide extra support while others might place a piece of metal or plastic to help reduce vibration and noise. Fiber cement siding can be nailed by hand or with a pneumatic nailer.

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Fiber cement problems are rare but do happen from time to time.

. Noplywood is not necessary behind hardie. Missing sheathing is not any structural defect. Ad Shop a Great Selection of Boards Lumber at The Home Depot.

Hardie Plank is a cement board. Its possible that it was not added to the construction plan. There is no one answer to this question as it depends on the specific use for the Hardie board.

And either way you should use a barrier like tarpaper or Tyvek underneath it. Siding can either be blind nailed at the top or face nailed at the bottom. Hardie siding problems aka.

Use hot-dipped galvanized or stainless steel nails. Nails should penetrate through the sheathing and at least 1 into studs. You CAN put hardi directly on studs without sheathing but you need to use let-in bracing to give structural rigidity to the walls.

How do you nail hardiplank siding. As James Hardie recommended the fibre cement siding can be installed over steel studs or braced wood or it can be installed directly over OSB plywood or sheathing. How do you fasten Hardie board.

Fiber cement is a siding material that was first introduced in the 1980s as a replacement for asbestos cement wood aluminum and vinyl siding products. Its composition is sand and water. It is completely okay if you were not aware that theres no sheathing under siding until you removed it.

Problems With Hardie Siding. What Do You Put Behind Hardie Board. Do you need plywood behind Hardie board.

Sheathing works as a case or cover structural support insulator and more. Edwardh1 May 14 2003 0859pm 2. Hardie boards can be installed over plywood.

Use hot-dipped galvanized or stainless steel nails. Position nails ¾ to 1 from the edge of the siding. However you can always add sheathings if you wish.

It can also be attached using corrosion resistant screws. Myself I would not consider using the siding without sheathing but thats your decision. Nails should penetrate through the sheathing and at least 1 into studs.

It is heavy on the wall and provides no insulation valueFormed to resemble wood it fails to provide a deep rich grain and does not come close to the look of wood. Do you need plywood behind the Hardie board. The nail or screw heads are supposed to be concealed against the board.

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