Rigid Fiberglass between window frames?

I have some questions about how people go about installing the cloth wrapped rigid fiberglass between the window frames. I have cut the strips, but am unsure of how to wrap my cloth around them so it will stay? I am also unsure of what to use to hold these pieces in place, esecially on the top. I have read that people glue them in place, so what kind of glue? All that is between the gap is a 16th inch thick piece of neoprene rubber, there is a little wood behind the rubber on each side, so maybe that would aid in attaching? Any help would be greatly appreciated.

"so what kind of glue? " Spray adhesives can be found at your local hardware stores(sometimes) and at the big box building stores(almost always). Hobby shops may be a place to consider as they carry fabric approved spray adhesives as well. edit: John recently posted some information on how gluing fabric to insulation is handled: viewtopic.php?f=3&t=13206

So, how do i attach the cloth the fiberglass strips before glueing them into place?

I'm not certain what it is you are asking.

Mordent123 wrote:

So, how do i attach the cloth the fiberglass strips before glueing them into place?

Other than potential 'sag' on the top piece you can probably do everything with friction. Can you get pieces that are "unfaced" (i.e. no paper or foil backing)? Typically just the friction between the fibers of the fiberglass and the fabric will be enough to hold it in place, but you can also use spray adhesive (tip: put the fabric down on a clean, flat surface, smooth it out, and then put the fiberglass piece down on top of it, and then wrap the fabric up around the sides. Then you should be able to just slot the pieces in place between the window panels with no adhesive (except for maybe the top piece, which could rest on top of the side pieces for support at the ends, but might need a couple 'braces' across the span - maybe a couple short pieces of dowel, small "L" brackets covered with fabric or paint to match, a bead of glue run across the two 'sides' of the top slot before sliding the top piece of fiberglass into place, or similar?

Mordent - I use homosote wrapped in cloth for my window frames. The idea is to not link the two wall frames but cover up the hole between the two. The homosote is light fiberboard so it doesn't transfer vibrations from one wall frame to the other. Al;so - looking at your picture it appears that you have a double pane window in a single wall frame. That poses another problem, humidity and glass windows fogging up. When you have two wall frames the air between the panes is free to mix with the air in the cavities between the inner skin and the outer skin but when you have a single wall frame the air between the window frames is sealed in there and temperature differences between the window panes can cause the air to fog. The solution is to add silica crystals into the cavity that will absorb any moisture that is in the trapped air thus stopping it from fogging up. The method is to cut some holes in the bottom divider before you wrap the cloth around it. Fill the holes with silica crystals and hold them in place with some tape over the hole. When you turn the divider over the crystals won't fall out and they also won't be seen when the divider is put in place. In Australia you can buy the silica crystals from a chemist as they use them when packaging certain drugs into bottles. They are the same crystals use see in pouches when you buy a new camera or piece of electronic gear - its to stop humidity in the packaging from damaging the product.

I was thinking about pooring the sylica balls on top of the cloth. It might add a cool look :?

Hey guys finally finished my windows! I just ended up wrapping them with the cloth using the spray adhesive to hold the cloth on the strips. They were tight enough between the cavity, that I didn't have to glue them at all. The top piece was fine, but I used some really small nails near the center just in case. Don't worry John my wall is a double wall, it just has some thin neprene rubber to "bridge" the gap between the assemblies. I had such a hard time finding silica beads that I had to steal packets of them from shoe boxes at the store lol. Well anyway, thanks a lot everyone, eventually I will post some finished pics of the studio.

stealing is wrong