[Greenbuilding] friction & insulation batts

[Reuben Deumling]

Two questions.
Were you pushing these batts into a bay the long way (vertically if this is
a wall)?
What is PPE?


On Fri, Mar 27, 2015 at 6:56 AM, David Wentling <dpwentling at ymail.com>
wrote:

> Years ago I needed to install thick batts in openings. To assist me ensure
> the batts were square to the opening and not compressed I created a wooded
> knife shaped stick. I would press in one side of the batt along the long
> edge then swing the batt into the opening using the ‘knife’ between the
> batt edge and the joist or stud. The ‘knife’ allow me to reduce the
> friction when sliding next to the wood and provided a tool to compress the
> batt the full depth of the batt to ensure the back edges were square to the
> opening. We used unfaced fiberglass.
>
> The wooden knife was a board about 16” long, more of a small machete, that
> was belt sanded to a thin rounded edge and a rounded handle for easier
> handling. I had to make several of the them over the renovation project and
> used lathe strips pulled from the house. Looked like a large wooden letter
> opener.
>
> Don’t for get the PPE!
>
> David
>
> On Mar 25, 2015, at 2:34 PM, Reuben Deumling <9watts at gmail.com> wrote:
>
> The situation is as follows:
> a ceiling with 7-1/4"x14" bays, 11 feet deep
> car decking below, fir T&G flooring above, rough sawn 2x8s in between.
>
> I can get Rockwool/Roxul batts that are the right height and will figure
> out a way to trim them to the right width. My question is whether anyone
> has a suggestion about how to devise a sleeve or baffle to reduce the
> considerable friction all those rough sawn or at least not particularly
> smooth surfaces will present to the batts being shoved horizontally through
> those bays?
> I expect to be able to access both ends for this purpose, which should
> increase the options for friction-reducing aids.
>
> Any ideas?
>
> Thanks very much.
>
> Reuben
>
> Oh, and I nixed the blown in cellulose idea because of the challenges of
> creating the necessary back pressure on a bay that deep/long. I'm sure with
> a suitably devised baffle that I could gradually back out the nozzle & this
> problem could be overcome, but it is not a large job (11'x12') and the
> batts seemed easier.
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