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My manufactured home has longitudinal floor joists and not
My manufactured home has longitudinal floor joists and not transverse. I'm redoing my subfloor because it's soft and rotted in many places, and nearly all of the joists are tilted to the left. This ma… read more
JAYCEG
JAYCEG
College Degree B.S.
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I have a room over my garage that has 2 x 8 joist on 2 foot
I have a room over my garage that has 2 x 8 joist on 2 foot centers and the rest of my house has 2 x 10 joists at 16 inch centers. I what to add a subfloor in the room over the garage at the same leve… read more
StructuralEng
StructuralEng
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Raised foundation home w 3/4” diagonal planking. I want to
Raised foundation home w 3/4” diagonal planking. I want to add a layer of plywood subfloor on top of planks. My question is what thickness plywood? And does it have to be tongue n groove?… read more
walkereng
walkereng
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My question is can I add additional weight in a first floor
My question is can I add additional weight in a first floor room ceiling by adding more drywall (for sound isolation) and how much can I add in total.Background:The downstairs room is comprised of con… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
Second opinion] The hardwood in my living room buckled the
second opinion] The hardwood in my living room buckled the subfloor is 3/4 plywood and it is warped. What ca I do to eliminate moisture from the slab… read more
Shannon Galway
Shannon Galway
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Bachelor's Degree
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In our San Diego residential home built in 1986 located near
Hello,In our San Diego residential home built in 1986 located near the top of a big hill/small mountain We recently had flooring failure of our luxury vinyl planks in our dining room (the LVP buckled … read more
walkereng
walkereng
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Bachelor's Degree
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Ok for a load bearing column to be installed over hardwood
Hi! Idiot ok for a load bearing column to be installed over hardwood finished flooring? Solid oak wood 3/4 in thick.… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
I will be having porcelain "plank" flooring ( 8"x48" tile)
I will be having porcelain "plank" flooring ( 8"x48" tile) installed. The existing subfloor is 2x12's. do I need a layer of plywood for stability, before placing the tile underlayment? Which would be … read more
walkereng
walkereng
Consultant
Bachelor's Degree
4,728 satisfied customers
Installing luxury vinyl plank and trying to figure out if I
Installing luxury vinyl plank and trying to figure out if I should go right on the subfloor or install a plywood or osb underlayment on the subfloor.… read more
walkereng
walkereng
Consultant
Bachelor's Degree
4,728 satisfied customers
I'm wondering if our floor can support the weight of quartz
Hello. I'm wondering if our floor can support the weight of quartz countertops. Existing floor joists are 2x8's (1.5" x7.25" actual), grade 2, S-P-F, on 16" centers. They span 12'-6". There is 19/32" … read more
walkereng
walkereng
Consultant
Bachelor's Degree
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I am looking at joists that are 2x4 top and bottom with some
I am looking at joists that are 2x4 top and bottom with some type of metal or iron in between. 24" centers. plywood sub is 4x8 23/32. I need to install 5"x3/4 Hickory. NWFA/APA say I have to add anoth… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
I'm installing 3/4" solid hardwood flooring (nail down) on a
I'm installing 3/4" solid hardwood flooring (nail down) on a plywood subfloor. Regarding the underlayer, is 15lb black felt paper adequate for this situation?… read more
walkereng
walkereng
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Bachelor's Degree
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This is a structural engineer question. We had a metal roof
This is a structural engineer question. We had a metal roof taken off our house. The contractor put the plywood sheathing onto the 1 by 4 purlins that were left. The nails are quite long and go quite … read more
walkereng
walkereng
Consultant
Bachelor's Degree
4,728 satisfied customers
We took in a small porch into our kitchen. The porch had a
We took in a small porch into our kitchen. The porch had a small slant on it. Small shims were up in to level the floor. However, the 3/4 inch was to thick where it joined to kitchen floor. This was n… read more
walkereng
walkereng
Consultant
Bachelor's Degree
4,728 satisfied customers
Hello, I think it best I give you some information first then
Hello, I think it best I give you some information first then state my questions. I have been living in a newly built house in Ohio since April. House is a ranch on basement. The floor joists run 17 f… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
I want to tile my kitchen. The house is one story, and the
I want to tile my kitchen. The house is one story, and the floor joist are 2x8 16" oc, spanning 13 ft, over a full basement. The subfloor marterial is 5/8 Plywood. I can put a beam in the basement per… read more
walkereng
walkereng
Consultant
Bachelor's Degree
4,728 satisfied customers
Planning to put porcelin tile in a 9 x 12 ft. bathroom that
Planning to put porcelin tile in a 9 x 12 ft. bathroom that in a 1978 home that has 2x5 T&G Planks on 4x6 beams on 48 inch centers. I was going to screw down the T&G boards then add 5/8 Plywood subflo… read more
walkereng
walkereng
Consultant
Bachelor's Degree
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I have a 100 year old house. They used an actual 2" by 7"
I have a 100 year old house. They used an actual 2" by 7" board as floor joists across an 18 ft span in the kitchen, roughly 24" on center. Needless to say, the floor is a little bouncy. I only have t… read more
walkereng
walkereng
Consultant
Bachelor's Degree
4,728 satisfied customers
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vgdlpc

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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