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Re: [Shop-talk] Restoring 100 year old oak dining room chairs

To: "Tim ." <tims_datsun_stuff@outlook.com>
Subject: Re: [Shop-talk] Restoring 100 year old oak dining room chairs
From: David Scheidt <dmscheidt@gmail.com>
Date: Fri, 20 Jan 2023 09:19:29 -0600
Cc: Shop Talk <shop-talk@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: shop-talk@autox.team.net
References: <MN6PR14MB7197062F119A51973609CFADB4C59@MN6PR14MB7197.namprd14.prod.outlook.com>
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> On Jan 19, 2023, at 22:33, Tim . <tims_datsun_stuff@outlook.com> wrote:
>=20
> =EF=BB=BF
> S
>=20
> Question: What glue should I use assuming that I will replace pins/dowels a=
s needed.=20
>=20
> again, sorry for the yadda yadda blah blah
> cheers
> tims

If they=E2=80=99re 100 years old, they were glued with hide glue.  Modern wo=
od glues are pva based. Pva glues do not stick to glue. Not hide, nor to pva=
 glue. You need to scrape out as much glue as possible, and then reglue. Use=
 hide glue , either hot, or Franklin=E2=80=99s (titebond) room temperature s=
tuff. If you=E2=80=99re using the room temperature stuff, buy it somewhere t=
hat sells a lot of  it, it=E2=80=99s got a short shelf life.=20

On gorilla glue: the original gorilla glue is polyurethane. It expands as it=
 cures, that makes it work well for joints with gaps. It=E2=80=99s got no us=
e in non-disposable furniture, joints made with it are impossible to take ap=
art for repair. Hide glue will come apart with heat and maybe moisture.  It a=
lso sticks to itself, so you don=E2=80=99t get glue failures.  That=E2=80=99=
s why it is still used for instrument building, and for top quality hand bui=
lt furniture.=20

Gorilla make a pva wood glue, which is supposed to be good.  I=E2=80=99ve ne=
ver used it, the various titebond products work well, I can get the ones I w=
ant easily.=20



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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto"><div dir=3D"ltr"></div><div dir=3D"ltr"><br=
></div><div dir=3D"ltr"><br><blockquote type=3D"cite">On Jan 19, 2023, at 22=
:33, Tim . &lt;tims_datsun_stuff@outlook.com&gt; wrote:<br><br></blockquote>=
</div><blockquote type=3D"cite"><div dir=3D"ltr">=EF=BB=BF

<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Diso-8859-1=
">



<div class=3D"elementToProof" style=3D"font-family: Calibri, Helvetica, sans=
-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255=
, 255);">
S</div>
<div class=3D"elementToProof" style=3D"font-family: Calibri, Helvetica, sans=
-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255=
, 255);">
<br>
</div>
<div class=3D"elementToProof" style=3D"font-family: Calibri, Helvetica, sans=
-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255=
, 255);">
Question: What glue should I use assuming that I will replace pins/dowels as=
 needed.&nbsp;</div>
<div class=3D"elementToProof" style=3D"font-family: Calibri, Helvetica, sans=
-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255=
, 255);">
<br>
</div>
<div class=3D"elementToProof" style=3D"font-family: Calibri, Helvetica, sans=
-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255=
, 255);">
again, sorry for the yadda yadda blah blah</div>
<div class=3D"elementToProof" style=3D"font-family: Calibri, Helvetica, sans=
-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255=
, 255);">
cheers</div>
<div class=3D"elementToProof" style=3D"font-family: Calibri, Helvetica, sans=
-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255=
, 255);">
tims</div></div></blockquote><div><br></div>If they=E2=80=99re 100 years old=
, they were glued with hide glue. &nbsp;Modern wood glues are pva based. Pva=
 glues do not stick to glue. Not hide, nor to pva glue. You need to scrape o=
ut as much glue as possible, and then reglue. Use hide glue , either hot, or=
 Franklin=E2=80=99s (titebond) room temperature stuff. If you=E2=80=99re usi=
ng the room temperature stuff, buy it somewhere that sells a lot of &nbsp;it=
, it=E2=80=99s got a short shelf life.&nbsp;<div><br></div><div>On gorilla g=
lue: the original gorilla glue is polyurethane. It expands as it cures, that=
 makes it work well for joints with gaps. It=E2=80=99s got no use in non-dis=
posable furniture, joints made with it are impossible to take apart for repa=
ir. Hide glue will come apart with heat and maybe moisture. &nbsp;It also st=
icks to itself, so you don=E2=80=99t get glue failures. &nbsp;That=E2=80=99s=
 why it is still used for instrument building, and for top quality hand buil=
t furniture.&nbsp;</div><div><br></div><div>Gorilla make a pva wood glue, wh=
ich is supposed to be good. &nbsp;I=E2=80=99ve never used it, the various ti=
tebond products work well, I can get the ones I want easily.&nbsp;<br><div><=
br></div><div><br></div></div></body></html>=

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