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I have a span of 18 feet between posts on a deck I'm putting
I have a span of 18 feet between posts on a deck I'm putting up. … read more
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For a deck with a flush beam, what is the maximum spance for
For a deck with a flush beam, what is the maximum spance for 5 treated 2x12's (laminated together) on 8x8s? … read more
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I have a 17' span on my deck which I am building a pergola.
I have a 17' span on my deck which I am building a pergola. I would like to use an aluminum beam to span this. What si8ze do I need and how much weight will it support? I will wrap in cedar. I just wa… read more
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I am doing a deck, and it will be supported at one side by
I am doing a deck, and it will be supported at one side by the house foundation. The I-Beam will be down the middle. The deck will be 12' wide, and 20' long. Assume a peak of 30 people on the deck, 6,… read more
walkereng
walkereng
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Looking at doing a 2x8 beam on south wall of house for
Looking at doing a 2x8 beam on south wall of house for garage door opening. Planning on using flitch plate with triple 2x8's and steel sitting on top of the sill plate if I use 1/2" steel, what hole s… read more
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Building a deck 12 foot span 6x6 post to 6x6 post want use
Building a deck 12 foot span 6x6 post to 6x6 post want use 6x8 beam and hang 2x8 joists from it at 24in spacing… read more
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
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How big a LVL beam do I need to span 20 feet on a porch that
How big a LVL beam do I need to span 20 feet on a porch that is 16 feet wide. The beam will support 2x8 rafters.… read more
walkereng
walkereng
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Want to support a 5.5' 1250 lb bathtub (including water and
Want to support a 5.5' 1250 lb bathtub (including water and person) perpendicular across 4 2X8 floor joists. Joists have 15' span and bathtub is positioned about in the middle of the joists. Concerned… read more
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StructuralEng
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I am building a deck and am putting a 6'x7' hottub on it.
I am building a deck and am putting a 6'x7' hottub on it. The unit weighs 800lb and holds 300gal, and up to 5 people. I have 2x10joists (pressure treated grade 1 pine) spanning 11'6" spaced 11"on cent… read more
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Can a SPIB no. 2, dead load only, span 11.5'? It's
Can a SPIB no. 2, dead load only, span 11.5'? It's for an outdoor pergola. Supports are 6x6 post. Overhang on post ends 12".… read more
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StructuralEng
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I am thinking of building a pergola attached to the house with
I am thinking of building a pergola attached to the house with 2 structural composite columns about 14'using two cedar 2X10s. Will this hold the load without sag?… read more
StructuralEng
StructuralEng
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What is the maximum span for a beam made of 2-2x8, 1/2 inch
What is the maximum span for a beam made of 2-2x8, 1/2 inch Plywood sandwiched, and 2-2x4 flat top and bottom to be used similar to top plates to support only a metal roof and rafters. Construction is… read more
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StructuralEng
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I am building a deck to hold a hot tub and wanted to bounce
I am building a deck to hold a hot tub and wanted to bounce the specs off an engineer to double check the load for the structure… read more
StructuralEng
StructuralEng
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I am rebuilding a 2nd floor wood deck on an older historic
I am rebuilding a 2nd floor wood deck on an older historic house. The deck will measure 8 x 14. It is supported by a ledger board and 2 perpendicular 4 x 8 beams set in masonry.I am unable to set foot… read more
walkereng
walkereng
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If i have a deck with 2x10" southern pine joists at 18" spacing,
If i have a deck with 2x10" southern pine joists at 18" spacing, what's the maximum span if i use a 6x8" red cedar beam? and if using 6x6" red cedar posts to support that beam, what's the maximum spac… read more
walkereng
walkereng
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Bachelor's Degree
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2x3 cedar purlins on 2x8 rs cedar joists 16"oc span 11 on
2x3 cedar purlins on 2x8 rs cedar joists 16"oc span 11' on 2/2x12 rs cedar beams bolted 2'oc and spanning 16'10" Are these beams big enough for this Pergola… read more
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StructuralEng
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Building a raised indoor deck platform about 7 x 14 deck
Building a raised indoor deck platform about 7' x 14' deck area about 10' off the ground in a garage. It will be used only for storage not for walking on. Load weight total maybe 1500 -2000 lbs over e… read more
StructuralEng
StructuralEng
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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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