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Osprey November 24th 08 10:52 PM

Scarf jointing fascia boards
 
Fitting a number of new fascias to a new project.
Paid extra to get 1" finished thickness softwood & moulding I wanted.

For joints mid run, intend using 45 degree scarf joints (lined up over
rafter end) .... should these be glued or left dry ?

Finish will be dark wood stain.

dpb November 24th 08 10:53 PM

Scarf jointing fascia boards
 
Osprey wrote:
Fitting a number of new fascias to a new project.
Paid extra to get 1" finished thickness softwood & moulding I wanted.

For joints mid run, intend using 45 degree scarf joints (lined up over
rafter end) .... should these be glued or left dry ?


Doesn't make much real difference -- I usually glue if weather suitable
mostly for the sealing effect. Same thing essentially w/ simply good
job of priming the cut ends. I prefer a longer cut than a 45, but
that's just a preference; no real functional reason.

--

Lew Hodgett[_4_] November 24th 08 11:02 PM

Scarf jointing fascia boards
 

"Osprey" wrote:

Fitting a number of new fascias to a new project.
Paid extra to get 1" finished thickness softwood & moulding I
wanted.

For joints mid run, intend using 45 degree scarf joints (lined up
over
rafter end) .... should these be glued or left dry ?

Finish will be dark wood stain.


45 on 1" material isn't much of a scarf compared to a normal 8:1 or
10:1, I typically see.

Have you thought about adding biscuits to strengthen joint and hold
pieces in position?

I'd definitely use glue.

YMMV

Lew



Osprey November 25th 08 09:01 PM

Scarf jointing fascia boards
 
On 24 Nov, 23:02, "Lew Hodgett" wrote:
"Osprey" wrote:
Fitting a number of new fascias to a new project.
Paid extra to get 1" finished thickness softwood & moulding I
wanted.


For joints mid run, intend using 45 degreescarfjoints (lined up
over
rafter end) .... should these be glued or left dry ?


Finish will be dark wood stain.


45 on 1" material isn't much of ascarfcompared to a normal 8:1 or
10:1, I typically see.

Have you thought about adding biscuits to strengthen joint and hold
pieces in position?

I'd definitely use glue.

YMMV

Lew


Good idea ... I can go longer than 45 degree ... not sure what compund
mitre score will allow ... probabky down to 20 or so.

I did think of biscuits ... when I originally was going to but
joint .... are biscuits messy to install on mitre cuts ?

Lew Hodgett[_4_] November 25th 08 10:33 PM

Scarf jointing fascia boards
 
"Osprey" wrote:

Good idea ... I can go longer than 45 degree ... not sure what
compund
mitre score will allow ... probabky down to 20 or so.


Don't gain enough to be bothered IMHO.

.... are biscuits messy to install on mitre cuts ?


Not if you have the tooling.

Lew



Swingman November 26th 08 12:13 AM

Scarf jointing fascia boards
 


"Osprey" wrote
Fitting a number of new fascias to a new project.
Paid extra to get 1" finished thickness softwood & moulding I wanted.

For joints mid run, intend using 45 degree scarf joints (lined up over
rafter end) .... should these be glued or left dry ?


Common practice in this area is to NOT glue scarfed facia joints.

AAMOF, I don't think I've ever seen it done, and would expect that most
cornice crews around here would fall off the scaffolding if you asked them
to do it. :)

FWIW ...

--
www.e-woodshop.net
Last update: 10/22/08
KarlC@ (the obvious)







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