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I want to build a shed with a 6 foot cantilevered roof
I want to build a shed with a 6 foot cantilevered roof overhang. It will sit on 6 x 6 posts, with a 4 x 12 beam spanning the posts. Will a 4 x 8 roof joist have sufficient strength to carry the unsupp… read more
walkereng
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Glulam span calculations. I need Glulam Beam Calculations
I need Glulam Beam Calculations for the following 1200 SF home; … read more
PaulP324
consulting engineer
MS
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How far can an 8x8 deck beam span? Building a 16'x22'
Building a 16'x22' carport that will want to have as a roof deck down the line. Four 8x8 posts, two 16 ft long beams front and back, 22 ft joists perpendicular to them. what are the smallest beam and joist sizes possible with these spans? … read more
PaulP324
consulting engineer
MS
1,276 satisfied customers
I have a 12 x 12 foot deck made of 20 gauge Trex Elevations
I have a 12 x 12 foot deck made of 20 gauge Trex Elevations joists 1 foot on center. Trex has rated the deck at 100 PSF. It is supported by 2 6x6" wood posts set on Helical Piles each supporting 1600 … read more
StructuralEng
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I have a deck rebuild. the distance in support is 14ft by
I have a deck rebuild. the distance in support is 14ft by 9ft with 12' OC 2x10' joints . We are going to use glulams. what size of gluelam should we consider … read more
StructuralEng
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Bachelor's Degree
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I have to support a 22' LVL on one end with a hanger nailed
I have to support a 22' LVL on one end with a hanger nailed into a tripled 2 x 8 that are carriage bolted together with a 8' span. Both ends of this span will be supported by 6” posts. On the far end … read more
StructuralEng
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I am rebuilding a 2nd story balcony/deck. It is connected to
I am rebuilding a 2nd story balcony/deck. It is connected to the house. I am needing to know if my beam size is correct. The span from post to post is 14'2.5". The joists will span 8'5' from house to … read more
StructuralEng
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What size beam do I have to have to span 18 feet that is
hello...what size beam do I have to have to span 18 feet that is only holding up a 9 X 18 foot exterior balcony with wood veranda coming off if it. Currently have 3- 6 X 6 beams holding it up and want… read more
walkereng
Consultant
Bachelor's Degree
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I'm building a 20x20 deck directly off a house. Can I use
I'm building a 20x20 deck directly off a house. Can I use (3) 2x12 beam at center and at end of deck. And use 2x10 joists at 16" o/c? … read more
StructuralEng
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Bachelor's Degree
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I'm redoing my deck and I have a few questions regarding the
Hi there . I'm redoing my deck and I have a few questions regarding the support of the roof. This will rest on one side on the house, and on the other side on a beam. The supports for the beam are 13f… read more
StructuralEng
Consultant
Bachelor's Degree
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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
Consultant
Bachelor's Degree
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I am replacing a ceiling beam on an outdoor Paris. I need to
I am replacing a ceiling beam on an outdoor Paris. I need to know if a 20' 6x6 beam will be suffice, as well as if 2 6x6 vertical support beams will be enough to hold it up, and the maximum spacing be… read more
StructuralEng
Consultant
Bachelor's Degree
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My customers want to take a treated 6x6 down that's in the
My customers want to take a treated 6x6 down that's in the middle of a 16' span. The 6x6 holds up 2 2x12 treated to hold up the end of the deck. My question is can I take that beam down and span that … read more
StructuralEng
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Bachelor's Degree
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Another question on this. If I'm removing a wall and
Another question on this. If I'm removing a wall and supporting it with a W8X18 beam and each end of the beam will be supported by a 6X6 douglas fir no. 2 what sort of support should by under the 6X6 … read more
StructuralEng
Consultant
Bachelor's Degree
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I have a 1960s built house in san diego. If you cut off the
Hi I have a 1960s built house in san diego. If you cut off the garage it is a rectangle about 65' by 24'. The 65' sides are the bearing walls of a 4/12 roof with asphalt shingles. The joists are conne… read more
StructuralEng
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Bachelor's Degree
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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
Consultant
Bachelor's Degree
9,772 satisfied customers
I'm looking at building a deck and wish to eliminate 4 additional
I'm looking at building a deck and wish to eliminate 4 additional 6x6 would post to have a steel I beam of 8, 10, 12 inch to support a wood structure that goes over a pool. My to post with a 2 ft over… read more
StructuralEng
Consultant
Bachelor's Degree
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I have a deck with cantilevered joists that are deteriorated. I
I have a deck with cantilevered joists that are deteriorated. I am going to cut the joists off at the house. I will install a ledger on the side of the house. I need to install a 28 foot beam 7 feet o… read more
StructuralEng
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Bachelor's Degree
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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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