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Trying to size a ridge beam for a 24 to 28 foot span for a
trying to size a ridge beam for a 24 to 28 foot span for a cathedral ceiling. walls are 16 oc and 10 feet of load. Rafters span 20 foot opening. standard asphalt shingle roof. It has a supported 4 x 1… read more
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I have a triple 1-3/4" x 11-7/8" Metsawood brand Kerto LVL
I have a triple 1-3/4" x 11-7/8" Metsawood brand Kerto LVL beam spanning 21 feet inside to inside from 3'' bearing inside a wall on a house to 5-1/2" bearing on a 6x6 treated lumber post. The beam is … read more
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Open span of a vaulted ceiling..span is 24 ft. what size of
open span of a vaulted ceiling..span is 24 ft . what size of a beam for an 8/12 pitch roof ridge beam. LVL. ....rafters would be about 20 ft long 2x12 total length of room is 38 width is 24. this beam… read more
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What size lvl do I need for a ridge beam to vault a ceiling.
What size lvl do I need for a ridge beam to vault a ceiling. I'd just install it under the existing ridge board that spans 20 ft. The roof rafters are 2x6's 16 on center and span 14 ft. The roofs pitc… read more
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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
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I have a question for a structural engineer. I am seeking to
I am seeking to add a supplemental structural ridge beam under a ridge board in an old garage, which has some roof sagging (3-4"). It's got 2x8 rafters, 4/12 pitch, and just a 2x8 ridge board with no rafter ties and just a few collar ties. Span is 24'. We would like to drywall the underside of the "cathedral" type ceiling. The walls are concrete block except for the triangular gable ends which are framed. We are not looking to remove anything existing, just slide in a supplemental beam as described here: https://www.youtube.com/watch?v=BMSo-avByjY&list=WL&index=6&t=0s The video shows roof trusses being cut, but we have no trusses - it just describes the method of lifting we'd like to use. My question is, what size LVL beam do we need? The supplier near me offers microlam LVL 1 3/4" thick beams in 14", 18" tall, and other heights, in any length, that are supposed to be sandwiched to make any width like 3.5" or 5.25". We do not want to add rafter ties because the vertical walls are only 7' tall and we need the headroom. … read more
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I need to figure out the size of beam needed for a 25' span
I need to figure out the size of beam needed for a 25' span with a corner post and the other sitting 2 x 4 wall. there will be no posts in between and no ceiling joists. It's a porch with a storage sh… read more
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Detached garage. I would like to have a cathedral ceiling in
Detached garage. I would like to have a cathedral ceiling in a 24x36 detached garage with a 5/12 roof pitch. If I use LVL beams at 12' intervals along the 36' width (2 24' LVL beams) to support my roo… read more
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What size ridge beam would I need for 16 ft tributary width,
What size ridge beam would I need for 16 ft tributary width, 10psf dead load, 20 psf live load, 20 ft length? Can I use Doug fir #2 or must I use LVL? … read more
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I am building a pavilion cover over a deck. I want to use
I am building a pavilion cover over a wood deck. I want to use cedar wood for the post, beams, and rafters. The post would be 8x8, the rafters 2x10 or 2x12 on 24" centers. The beams would span 14' on … read more
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Span 36 wide house with 8 pitch and 130 # snow load, New
Span 36 wide house with 8 pitch and 130 # snow load … read more
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Building an addition on my garage. addition is 16' wide by
building an addition on my garage. addition is 16' wide by 24' long. need to be open(no rafter ties) to accommodate car lift. was planning on using 1 3/4 x 9 1/2 LVL as roof support beam. is there a b… read more
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I need to span 21 ft 4 inches held up by existing walls on
I need to span 21 ft 4 inches held up by existing walls on either side. How big of a beam do I need to hold up the roof… read more
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I want to support a roof that is 20 feet wide by 17 feet in
I want to support a roof that is 20 feet wide by 17 feet in length. The cieling will be cathedral type with the beam in the center. the beam will span 17 feet in length. The ceiling is 2 x6 with sheet… read more
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I am constructing a building app. 24' long by 30' wide with
I am constructing a building app. 24' long by 30' wide with a rafter beam spanning the 24' length and rafters 16'. I sandwiched 4 ply thick 2 by 10's yellow pine to make the beam. My problem is I'm ge… read more
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I am replacing my asphalt shingle roof and modifying it at
I am replacing my asphalt shingle roof and modifying it at the same time. In the future I will remove the existing ceiling to create a cathedral ceiling. I am removing the existing 3/4" plywood deck a… read more
walkereng
walkereng
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I am building a roof over a deck using 6 x 6s as posts spaced
I am building a roof over a deck using 6 x 6's as posts spaced 12' apart (12' x 12'). The roof will have 4 x 6's for rafters on a 9/12 pitch spaced 3' apart (0, 3, 6, 9, 12') with 1 x 8" t/g on top of… read more
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I am going to build an 18.6 x 12 wood frame storage shed.
I am going to build an 18.6 x 12 wood frame storage shed. I want to use 2 ea. 2 x 6 for the roof beam (no trusses). The rafters are to be on 16 in. centers. The roof covering will be 1/2 in. plywood, … read more
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