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Old 07-16-2012, 04:22 PM   #16
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garage firewall question


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Originally Posted by Maintenance 6 View Post
The backer board stuff was probably for shear resistance. If you tear that out, you need to replace it. 3/8 or 1/2 plywood or 1/2 OSB depending on the age of the home.
house was built in 1971 but garage was added on a few years later

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Old 07-16-2012, 07:48 PM   #17
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That means that the wall you're dealing with was an exterior wall and the "backer board" was there for shear resistance (diagonal bracing). You need to put that back in place if you tear ir out.
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Old 07-16-2012, 08:40 PM   #18
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That means that the wall you're dealing with was an exterior wall and the "backer board" was there for shear resistance (diagonal bracing). You need to put that back in place if you tear ir out.
is there a actual name for it and can i buy it at like a home depot? i want to t ear it out to to get to the insolation. i want to start from scratch and not do a half ass job
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Old 07-20-2012, 01:40 PM   #19
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You can replace it with 1/2" OSB. All the big stores have it. Replace one piece at a time and nail it using the same spacing as what you tear out.
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Old 07-20-2012, 03:12 PM   #20
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You can replace it with 1/2" OSB. All the big stores have it. Replace one piece at a time and nail it using the same spacing as what you tear out.
im going to tear it out all at once, no point to do one piece at a time, that would take forever. is osb a better product for fire protection though?
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Old 07-20-2012, 10:21 PM   #21
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I don't like the door. The electrical outlets need to be addressed as well.
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Old 07-20-2012, 10:37 PM   #22
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I don't like the door. The electrical outlets need to be addressed as well.
the outlet is not grounded. what else do you see is wrong and with the door?
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Old 07-21-2012, 07:13 AM   #23
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You should check the rating on the door and if it has self closing hinges or not.

I suspect all the penetrations in the wall are suspect-check the electrical boxes for rating.
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Old 07-21-2012, 07:30 AM   #24
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You should check the rating on the door and if it has self closing hinges or not.

I suspect all the penetrations in the wall are suspect-check the electrical boxes for rating.
ok thanks. i knew i have to redo the outlet box. and i know when i re do the wall tape all the joints and what not.
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Old 07-21-2012, 07:32 AM   #25
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If the door is wood framed then it is not fire rated. Also not all steel doors are fire rated. There will be a tag on the edge of the door or the frame indicating if it is.

I find it hard to believe that a house built in '71 does not have grounded wiring. Check in the box to see if there is a ground wire there.
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Old 07-21-2012, 07:35 AM   #26
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If the door is wood framed then it is not fire rated. Also not all steel doors are fire rated. There will be a tag on the edge of the door or the frame indicating if it is.

I find it hard to believe that a house built in '71 does not have grounded wiring. Check in the box to see if there is a ground wire there.
the whole house is grounded. i have a tester and it says not grounded. the gargae was a add on and if you saw how the basement was remodeled you wouldnt be too happy or surprised about anything, thats why i ripped the whole basement out right down to foundation walls and concrete floor
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Old 07-22-2012, 05:32 PM   #27
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You should check the rating on the door and if it has self closing hinges or not.

I suspect all the penetrations in the wall are suspect-check the electrical boxes for rating.
sticker on door says mastercraft fire rated for 20 min
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Old 07-22-2012, 06:01 PM   #28
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jhack,

make sure to leave the sticker on the door if you are required to have inspections. without the sticker the inspector may question the door as being code compliant. justa thought ....
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Old 07-22-2012, 06:28 PM   #29
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jhack,

make sure to leave the sticker on the door if you are required to have inspections. without the sticker the inspector may question the door as being code compliant. justa thought ....
yup thank you sir. i am actually in the begining stages of becoming a home inspector. i have over 7 years of experience in roofing siding windows framing, kitchen and bath and many other trades. i want my house and your house to be up to code and jobs done right. i hate seeing people getting ripped off by crappy contractors. i hate the feeling of not knowing how safe your house actually is. i want to help people.

thing i dont get is if you are a home inspector and you are not sure of something while doing an inspection, why dont they just tell the home owner to get a licensed pofessional in there to take a further look.

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