do you need plywood behind hardie board

17 Is a vapor barrier necessary behind cement board. What Do You Put Behind Hardie Board.

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

. Do you need plywood behind the Hardie board. The most common sheathing materials include oriented strand board and plywood. It can also be attached using corrosion resistant screws.

The nail or screw heads are supposed to be concealed against the board. It can crack and if it does you must tear the whole wall down in order to replace just one plank. 16 Can you use drywall screws on cement board.

Edwardh1 May 14 2003 0859pm 2. There is no one answer to this question as it depends on the specific use for the Hardie board. It is heavy on the wall and provides no insulation value.

12 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. Problems With Hardie Siding.

Its composition is sand and water. 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. If you go over existing siding you will end up proud of the trim and it will look awful.

Nails should penetrate through the sheathing and at least 1 into studs. Hardie boards can be installed over plywood. Exchange for 12 inch DenShield.

Its a Georgia-Pacific product part of their line of mold resistant wall and tile backer board. 18 Is Hardie plank water resistant. 7 Jun 10 2008.

And either way you should use a barrier like tarpaper or Tyvek underneath it. Use hot-dipped galvanized or stainless steel nails. Do you need plywood behind Hardie board.

Position nails ¾ to 1 from the edge of the siding. Noplywood is not necessary behind hardie. Hardie Plank is a cement board.

Missing sheathing is not any structural defect. Nails should penetrate through the sheathing and at least 1 into studs. How do you fasten Hardie board.

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 nail hardiplank siding. 15 Can Hardie board be cut with hand saw.

Hardie siding problems aka. When considering plywood for sheathing builders choose from 12-inch CDX common. Its possible that it was not added to the construction plan.

If you remove the existing siding and sheath with 12 material you just might be able to maintain a reveal at existing trim. Use hot-dipped galvanized or stainless steel nails. You need to take into account the final thickness of the fiber-cement plank siding as relates to window door and corner trim.

Siding can either be blind nailed at the top or face nailed at the bottom. You CAN put hardi directly on studs without sheathing but you need to use let-in bracing to give structural rigidity to the walls. Sheathing works as a case or cover structural support insulator and more.

Bring back the HardiBoard. Fiber cement siding can be nailed by hand or with a pneumatic nailer. It is completely okay if you were not aware that theres no sheathing under siding until you removed it.

Its impervious to water needs no vapor barrier built-in and is lighter to handle and really and truly scores and snaps easily. Myself I would not consider using the siding without sheathing but thats your decision. 14 How do you fasten Hardie board.

However you can always add sheathings if you wish.

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