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Building a 12x 18 deck on the back of the house at ground
Building a 12x 18 deck on the back of the house at ground level (36 inches)...Can I use 2x8's for the framing? Or do I need 2x10 or 2x12? I will be attaching to house with ledger board and supporting … read more
walkereng
walkereng
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Need help from IRC table on girder beams. 3-2x6 girder beams
Need help from IRC table on girder beams. 3-2x6 girder beams in crawl space supporting 2x8 floor joists are not listed in the charts in chapter 5 for 28 ft wide building for internal walls. Can you gi… read more
PaulP324
PaulP324
consulting engineer
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I have a main house beam that is a single 2x12 that spans
Hi.. I have a main house beam that is a single 2x12 that spans roughly 6 feet between piers. The floor joists span 13 feet and are supported by rim joist beams that are also 2x12's on the house exteri… read more
walkereng
walkereng
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I have a 2 story house with 3 double 2x10 main beams
I have a 2 story house with 3 double 2x10 main beams supporting 2x8 floor joists. I have a couple of pictures I can send. The main load bearing wall runs perpendicular to the main beams and under this… read more
PaulP324
PaulP324
consulting engineer
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How do the footings of my deck have to be done the deckis
How do the footings of my deck have to be done the deckis 24" off the ground and attached to the house in Stevens Point WI … read more
PaulP324
PaulP324
consulting engineer
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I am building a double outhouse and storage closet,
Hi! I am building a double outhouse and storage closet, basically 3 4'x4' rooms, on a 16'x8' deck. I am planning on using PT 4x6's on pre-cast pier blocks for the foundation. My question is: how far c… read more
walkereng
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I need a concrete contractor for a 92 inch by 92 inch by 3
I need a concrete contractor for a 92 inch by 92 inch by 3 foot hot tub i put on a wood deck. the wood deck is made of 2x8 for a ledger and double 2 x 6 joists 9 inches on center. the dimensions of th… read more
PaulP324
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consulting engineer
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Need max. rafter spacing for cathedral ceiling, exposed
need max. rafter spacing for cathedral ceiling, exposed rafters on ridge beam w/2x6 fir decking over top; not sure whether to use 4x6 or 4x8 rafters, both Douglas fir #2 or better; the span is 12 ft. … read more
StructuralEng
StructuralEng
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Bachelor's Degree
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Two 20 foot W12x26, cantilevered 15' over water 5 ft OC
Two 20 foot W12x26, cantilevered 15' over water 5 ft OC apart with 2x6 treated planks At the land end 6" bulkhead is supported by an existing 15" depth x 2 foot deep wall which the beams will rest on.… read more
StructuralEng
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Two 20 foot W12x26, cantilevered 15' over water 12 feet
Two 20 foot W12x26, cantilevered 15' over water 12 feet apart with 2x6 treated planks At the land end about 6ft from bulkhead and 3'-6" below grade, concrete pad 5'x5'x3' deep supporting uplift forceB… read more
StructuralEng
StructuralEng
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Bachelor's Degree
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I need to calculate the maximum load I can put on three
I need to calculate the maximum load I can put on three mezzanine floors. They are all existing structures that we use for storage. … read more
StructuralEng
StructuralEng
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We are planning a 10X16 foot Deck suspended off a ledger
We are planning a 10X16 foot Deck suspended off a ledger board on the house. It will be supported on the other side by (4) 6X6 Posts with a 6X8 Beam on top. I would like to know how large a footing is… read more
StructuralEng
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Consultant
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I'm looking at performing a crawlspace to full basement
sir, I'm looking at performing a crawlspace to full basement conversion. I have one main beam made of two 2x8's and 1/2 inch of plywood with seven concrete piers. I would like to have clear space for … read more
StructuralEng
StructuralEng
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Bachelor's Degree
9,772 satisfied customers
I am building a wood deck and would like to use a W4x13
Hello, i am building a wood deck and would like to use a W4x13 steel I beam. The deck size is 31' x 12'. I will have 3 concrete piers for the I Beam to rest on, the distance between the piers will be … read more
StructuralEng
StructuralEng
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My deck load is 50psf. It is 300sqft. I assume that does not
My deck load is 50psf. It is 300sqft. I assume that does not mean my deck can support 15000lbs. I am considering a pergola but the lumber for it weighs 1400lbs. I'm concerned about that weight when 8 … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
Hello, I am interested in putting a hot tub on my deck. My
Hello, I am interested in putting a hot tub on my deck. My current deck is as follows: 16x8 freestanding deck. It's built on 1ftx1ft concrete piers. There is 28 piers, 4 piers for each joist. There ar… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
I am constructing a deck. The deck is @ 16' (distance
Hi: I am constructing a deck. The deck is @ 16' long (distance parallel to house) x 10' wide (distance out from house). All structural lumber is pressure treated, all fasteners are galvanized. The led… read more
StructuralEng
StructuralEng
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Bachelor's Degree
9,772 satisfied customers
building an exterior deck attached to house. Ceramic tile
building an exterior deck attached to house. Ceramic tile over 1.25" mortar over waterproof membrane over 2x6 t&g fir over df wood joists at 36" o.c.. Max joist span is 9'. I have W6X9 steel I beams (… read more
walkereng
walkereng
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Bachelor's Degree
4,728 satisfied customers
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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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