Ridge Board....What's That?

[ccoombs]

The vertical member cut to install the vent looks like backing for the siding. Even if intact it wouldn't do anything structurally.

[Peter C. Russell]

Paul, how many layers of shingles on the roof?

[Paul W. Abernathy]

Just (1).....Metal Roof....

[Roy D. Cooke, Sr]

Originally Posted by pabernathy

Just (1).....Metal Roof....

Whoops ! I did not read that before .
They are almost self supporting I would not be too concerned about collar ties You get very little snow in your area and most could slide off.
( that can be a concern ) ( plunk on the head with 200 lbs of snow could get your attention ).
Did a home with out avalanche guards .
I recommend immediate instillation of Avalance guards .
What does the Home Inspector know this home has not needed them in 4 years .
Well she left her Mercidies in the wrong place $28,000.00 damage hood fenders windshield and roof.
I guess the snow told her that HI did know a little .

Roy Cooke A Happy Nachi Member

[Marcel R. Cyr]

Originally Posted by pabernathy

Just (1).....Metal Roof....

Different picture now.
They say a picture is a thousand words, but I have to disagree.

You can only evaluate what you see in the picture and not evaluate the panoramic vision of the Human eye with the experiece factor behind it.

Marcel

[dhelm]

Originally Posted by mcyr

Just thought some of you might enjoy this.

Bread and butter



Still have it.

Palo Alto, California
Price $2.50
Copyright by A. F. J. Riechers 1917 and 1944

Belonged to my Father and have preserved it all this time. He used to be able to cut a hip roof on the ground piece by piece and not climb the roof. Would just hand up the pieces and they would fit. This always amazed me back then as to how he did it. After he died in 1973, I found his little trick book.
I have used it myself quite a few times, up until the smart calculators come out.

Marcel </IMG></IMG></IMG>

It still can be found. I own several copies. It was my bible for the early days of my building career. I always preferred cut rafters to trusses. Problem nowadays is that very few carpenters know how to cut rafters, and to use the book which, by the way, is very easy to understand and use. There has never been a better rafter book written.

[dhelm]

Originally Posted by pabernathy

Oh...here is the GABLE vents they added in the remodel..notice the only real supports they had on the end were cut for those vents....yet only 3" of OLD insulation in the roof and no heat upstairs...they did cut some vents in the floor to let the heat rise.....oil heat furnace that was EMPTY of oil on the inspection and could not be tested....lol

The supposed roof supports are actually only siding nailers. The gable end is non load bearing for all practical purposes. The only way you would support at the ends is with a structural ridge. Certainly not necessary in this situation.

[Marcel R. Cyr]

Originally Posted by dhelm

The supposed roof supports are actually only siding nailers. The gable end is non load bearing for all practical purposes. The only way you would support at the ends is with a structural ridge. Certainly not necessary in this situation.

David.

I agree.

Marcel

[Peter C. Russell]

Originally Posted by dhelm

The supposed roof supports are actually only siding nailers. The gable end is non load bearing for all practical purposes. The only way you would support at the ends is with a structural ridge. Certainly not necessary in this situation.

King post and gable end studs, not structural other than as you said, nailer's for the sheathing and siding.

[lewens]

One of the first things my Grandfather taught me was how to read and use a rafter square. That knowledge has seen me through many a roof over the years. Most carpenters today do not even know that a rafter square exists.
I too learned how to cut a roof on the ground and pass the pieces up and have them fit. Marcel, I would like to get a copy of that guide and can't find one up here in the great white north.
Larry

[Roy D. Cooke, Sr]

Originally Posted by lewens

One of the first things my Grandfather taught me was how to read and use a rafter square. That knowledge has seen me through many a roof over the years. Most carpenters today do not even know that a rafter square exists.
I too learned how to cut a roof on the ground and pass the pieces up and have them fit. Marcel, I would like to get a copy of that guide and can't find one up here in the great white north.
Larry

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Full Length Roof Framer (Library Binding)
by A. F. Riechers (Author) "First determine the pitch and then the span of the rafters..." (more)
Key Phrases: common rafter span, rafter seat cut, rafters overhang, Jack Rafters, Span Length Span Lgth, Under Span (more...)
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[Marcel R. Cyr]

Originally Posted by lewens

One of the first things my Grandfather taught me was how to read and use a rafter square. That knowledge has seen me through many a roof over the years. Most carpenters today do not even know that a rafter square exists.
I too learned how to cut a roof on the ground and pass the pieces up and have them fit. Marcel, I would like to get a copy of that guide and can't find one up here in the great white north.
Larry

Larry, are you all set with what Roy sent you??

Did you ever see a wish list that long in Jargon before, ha. ha.

Marcel

[Paul W. Abernathy]

I dont need that BOOK....I got you guys to ask....

[Roy D. Cooke, Sr]

Originally Posted by pabernathy

I dont need that BOOK....I got you guys to ask....

Ain't the truth what a great BB and wonderfull help in all directions .
I am so glad to be a small part of this .
Roy Cooke
</IMG>

[Robert J. OConnor]

Just to clarify "Collar Ties" are smaller members installed up higher on the rafters (top 1/3 of the roof), usually every 2nd or 3rd rafter, and the only real purpose of these is to keep the rafters from lifting apart at the top in high winds. In older framing sometimes just plywood gusset plates were used where the rafters meet in lieu of collar ties.

"Collar Ties" are NOT very effective at preventing rafter spread, even if installed at every rafter and bolted. In fact this can actually cause excessive rafter bending, in addition to rafter spread, if rafters are not bumped up in size (see attached diagram).

True "Rafter Ties" to help prevent rafter spreading are larger members installed at every rafter down low (bottom 1/3 of the roof). Usually the ceiling joists act as the rafter ties, with fairly heavy nailing at both the rafter/joist and joist/joist splice connections (see attached diagram).

Even rafter ties in the bottom 1/3 can be problematic if not connected adequately (no ... a handful of 10d nails doesn't work). Actually current construction standards (e.g. IRC R802.3) require a structural ridge where there are no ceiling joist parallel to the rafters at the wall top plate level, with adequate connections.

Paul ... If you see no rafter spread (sagging ridge, bowed outside walls, or rafter dishing near the middle) then maybe the ceiling joists are running parallel to the rafters and connected together ... forms kind of like a large triangular truss.

However, it is considered good practice to also have either collar ties or gusset plates at the top to help prevent the top of the rafters from coming apart in high winds ... especially if there is no ridge board with rafter toenails into the ridge plate. This becomes essential in higher wind areas.

JMO & 2-nickels ...