CA glue questions

Don pianotuna at accesscomm.ca
Wed Apr 4 18:47:24 MDT 2007


Hi David,

I only use it for very small cracks. I find that the thin will work--if you
apply it many many many times. Better to go to medium or thick after first
application with thin.

At 08:39 PM 4/4/2007 -0500, you wrote:
>Don -
>Very thorough explanation.  Thanks.  It sounds like ventilation 
>problem is unavoidable. What would you do, or recommend?   Also, if 
>the cracks in the bridge are indeed as small as Rex implies, would 
>the water-thin glue act as gap fill with multiple applications? That 
>is, would it achieve the same hardness, once cured?
>
>Regards
>
>David Skolnik
>Hastings on Hudson, NY
>
>
>
>
>
>At 01:07 PM 4/4/2007, you wrote:
>>Hi Rex,
>>
>>Yes odorless CA exists. I don't use it so I can't offer a source of supply.
>>
>>All houses are recommended to have at least .35 air changes per hour--so a
>>build up of fumes is not likely.
>>
>>"The American Society of Heating, Refrigeration and Air-Conditioning
>>Engineering (ASHRAE exiting epa  recommends (in its Standard 62-1999,
>>"Ventilation for Acceptable Indoor Air Quality") that homes receive .35 air
>>changes per hour, but not less than 15 cubic feet per minute (cfm) per
>>person. A common rule of thumb is the 15 cfm multiplied by number of
>>bedrooms in the house plus one. For example, a 3 bedroom house would
>>require at least 60 cfm of outdoor air. [(3 bedrooms + 1) x 15 cfm = 60
>>cfm]. Kitchens should have an intermittent exhaust capacity of 100 cfm;
>>bathrooms an intermittent capacity of 50 cfm. (ASHRAE also notes that
>>"dwellings with tight enclosures may require supplemental ventilation
>>supply for fuel-burning appliances, including fireplaces and mechanically
>>exhausted appliances. See information on combustion appliances.)"
>>
>>http://www.epa.gov/iaq/homes/hip-ventilation.html
>>
>>For bridge cracks it may be best to treat the wood with the water thin
>>variety first to seal it--then follow up with medium or even thick. Be
>>prepared to make more than one application.
>>
>>At 09:46 AM 4/4/2007 -0400, you wrote:
>> >        Dear List     I have two questions regarding CA glue.     1. I
seem
>> >to remember odorless CA glue being talked about on the list, but I was not
>> >able to find a reference to a source. Does anyone know if it actually
>> >exists and where it can be purchased?     I have a piano that needs a
>> >treatment on the tuning pins, but is in one of the new houses in this area
>> >that are sealed for energy conservation. Would the regular CA fumes
cause a
>> >problem in a house where it may not be possible to get much outside
>> >ventilation?     2. When using CA glue on the bridge, is it necessary to
>> >remove the strings before applications? Does the CA have enough gap
filling
>> >property to fill small cracks and gaps, or does it just solidify the area
>> >around the pin?     Thanks     Rex Roseman
>>Regards,
>>Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T.
>>Non calor sed umor est qui nobis incommodat
>>
>>mailto:pianotuna at yahoo.com      http://us.geocities.com/drpt1948/
>>
>>3004 Grant Rd. REGINA, SK, S4S 5G7
>>306-539-0716 or 1-888-29t-uner
>
>
>
>
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1:15 PM
>
>
Regards,
Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T.
Non calor sed umor est qui nobis incommodat

mailto:pianotuna at yahoo.com	http://us.geocities.com/drpt1948/

3004 Grant Rd. REGINA, SK, S4S 5G7
306-539-0716 or 1-888-29t-uner


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