Discussions > Instrument Design, Construction and Repair
Replacing grill cloth
Schnorbitz:
A quick bit of advice. I have an old Castagnari where the grill cloth has seen better days. It looks like a muslin cloth which unfortunately has stained (pre me getting the box). It's a bit unsightly so I am looking to change it for a new cloth. Having gone through the forum I've seen the recommendation for using speaker cloth as it has good acoustic properties. I've got some and before I remove the old cloth, I just wanted to check on advice re attaching the new cloth. I have some PVA (which again was the recommendation in previous posts). Am I correct that all I will need to do is cut to shape and then attach to the grill, applying pressure over an evening to ensure that it sticks and is not baggy.
As always, advice is greatly appreciated.
Many thanks
Man1nvan:
That is pretty much it
I have successfully used tacky PVA for this but there may be a better solution
I dont know what type of cloth the original was but something with a bit of stiffness to it makes life easier
Theo:
Bookbinders mull cloth works very well, it's slightly stiff which does help to get a good fit. Clean off all the old cloth and glue first. Sand the back of the grill if necessary to get a smooth surface. Like Man1nvan I use tacky pva and dab it on with a bit of rag. Mull is an off white colour which usually works and it has an open weave so minimally absorbing of sound.
Schnorbitz:
Thanks for the replies Theo and Man1nvan. I'll clean off and ensure there is no residue left (i hadn't thought of lightly sanding if neccesary). I'm just waiting for some muslin from Charlie at CGM to arrive. The speaker cloth looked good, but I was worried that it was not stiff enough. I'm hoping that the muslin will have a bit more rigidity.
Graham Spencer:
--- Quote from: Schnorbitz on February 25, 2019, 11:27:23 AM ---Thanks for the replies Theo and Man1nvan. I'll clean off and ensure there is no residue left (i hadn't thought of lightly sanding if neccesary). I'm just waiting for some muslin from Charlie at CGM to arrive. The speaker cloth looked good, but I was worried that it was not stiff enough. I'm hoping that the muslin will have a bit more rigidity.
--- End quote ---
I replaced the damaged grill cloth on my Saltarelle with Charlie's silver & black stuff; it's sonically very transparent and quite firm & easy to glue. Looks prettier than scrim/mull/muslin as well. But then if you want to stay with the original look.......
Graham
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