Ken Meyer Posted September 17, 2009 Report Share Posted September 17, 2009 Can anyone identify this type of cellulose insulation? It has long fibers in it, looks like sawdust and wood fibers. Any idea if it would have been treated with fire retardant? There's only 3 or so inches of it, could it be covered with more blown in insulation? 1961 ranch. Click to Enlarge 56.95 KB Click to Enlarge 82.04 KB Link to comment Share on other sites More sharing options...
Tom Raymond Posted September 17, 2009 Report Share Posted September 17, 2009 Mulch? Link to comment Share on other sites More sharing options...
hausdok Posted September 17, 2009 Report Share Posted September 17, 2009 Hi, It's SilvaWool, I see it all the time in mid-50's to mid-70's houses. ONE TEAM - ONE FIGHT!!! Mike Link to comment Share on other sites More sharing options...
Ken Meyer Posted September 17, 2009 Author Report Share Posted September 17, 2009 Thanks, made by Weyerhauser? Link to comment Share on other sites More sharing options...
Bill Kibbel Posted September 17, 2009 Report Share Posted September 17, 2009 Yep, Silva-Wool. Manufactured by Weyerhaueser in Eugene, OR. It's made from Douglass fir and was treated "to prevent decay, repel rodents and vermin, and retard combustion". Link to comment Share on other sites More sharing options...
Ken Meyer Posted September 18, 2009 Author Report Share Posted September 18, 2009 I guess it didn't work against winged vermin. Of course, when you have a big opening like this, what can you expect? Click to Enlarge 51.4 KB Link to comment Share on other sites More sharing options...
Bill Kibbel Posted September 18, 2009 Report Share Posted September 18, 2009 I guess it didn't work against winged vermin. After 50 years, I don't know how effective the treatment still is. Take a pinch and hold a flame to it. I've done it with Balsam Wool to illustrate a point. Link to comment Share on other sites More sharing options...
Tom Raymond Posted September 18, 2009 Report Share Posted September 18, 2009 Yep, Silva-Wool. Manufactured by Weyerhaueser in Eugene, OR. It's made from Douglass fir and was treated "to prevent decay, repel rodents and vermin, and retard combustion". So I was right, it is mulch.[:-bigeyes Tom Link to comment Share on other sites More sharing options...
ghentjr Posted September 18, 2009 Report Share Posted September 18, 2009 I guess it didn't work against winged vermin. Of course, when you have a big opening like this, what can you expect? Click to Enlarge 51.4 KB Squab for dinner. Link to comment Share on other sites More sharing options...
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