Question Is there any standard to stretch out to make flat?

cheonmu

Grumbler in Training
Joined
Dec 31, 2021
Messages
12
Location
S.korea
Business
Selling artwork
Hi,

I am warpping canvas to frame using Canvas Pliers.

However, I don't know how much is appropriate for wrapping.

Do i have to make it strong as much as possible?

I'd like to know if there is any standard.

Thank you.
 

JFeig

SGF, Supreme Grumble Framer
Forum Donor
Joined
Oct 13, 1999
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4,800
Location
Oak Park, MI
I do not know of any official tension standard for stretching fabric.
There are many factors to take into consideration:

temperature and humidity at the time of stretching
temperature and humidity at the time the product is sold
temperature and humidity when and where the product will be displayed
type of fiber in the fabric
weight of the fabric
surface coating on the fabric after stretching
variation of the temperature and humidity over time where it is displayed or stored. (seasonal and or climate control)
 

Prospero

SPFG, Supreme Picture Framing God
Joined
Jul 16, 2007
Messages
19,583
Location
The Grand Duchy of Lincolnyshire
The term 'stretching' is slightly misleading. In fact the less the canvas is stretched the better. The ideal is to
get it flat and taut so there are no waves or bumps and no excessive 'flop'. 🙂 That is, if you stand the canvas
up and move it to-and-fro then the actual fabric should not deviate more than a mm or two.
 
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