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I posted a similar Q on another string that seems to be past its prime so I will try again. I want to dense pack cellose into the plaser on sheetrock lath walls of my 1940 home. I read the recent article in FHB:130 and wonder if I need to scale back from the 3.5 lb. per sq. ft. to avoid stressing the wall surface. There are some cracks in the plaster related to settling, but there are no loose spots. If someone can advise, please include comments about calculating and monitoring the density as I install the cellulose. Also, has anyone tried packing this stuff in from behind baseboard rather than from holes near the top of the wall? I figure the holes will be easier to hide with baseboard that plaser patching. The exteior is brick vener, preventing a DIY installation from the outside.
Paul
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paul... i've blown dense-pak thru old lath.. with a 1" nozzle...top and bottom.. there may be obstructions..
just blow to refusal...the lath is strong and any plaster that blows has lost it's keyways anyhow..
the patching problem is not a big deal... alot easier to patch plaster than remove and replace baseboard..
and you'll get a better blow....
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I posted a similar Q on another string that seems to be past its prime so I will try again. I want to dense pack cellose into the plaser on sheetrock lath walls of my 1940 home. I read the recent article in FHB:130 and wonder if I need to scale back from the 3.5 lb. per sq. ft. to avoid stressing the wall surface. There are some cracks in the plaster related to settling, but there are no loose spots. If someone can advise, please include comments about calculating and monitoring the density as I install the cellulose. Also, has anyone tried packing this stuff in from behind baseboard rather than from holes near the top of the wall? I figure the holes will be easier to hide with baseboard that plaser patching. The exteior is brick vener, preventing a DIY installation from the outside.
Paul