Talked with the guys in toll rental at Home Depot this weekend, to see what size holes to drill for blowing in insulation. They advised a 3" hole because of the size of the hose.
That's a little set back. I had thought it would be more like a 1" hole. May not seem like much difference at first. However, it will require a hole between each of the rafters, meaning dozens of holes. It actually takes much more work to patch a 3" hole than a 1" hole.
In the kitchen, I can use a special bit just for cutting large holes. Then keep the plugs to put back in place later. However, the kitchen has sheet rock. May be a much bigger problem in other rooms, which have stucco and in many places metal lath.
So, my hope is that the rafter spaces go all the way across the center support wall. If they do, I can just cut holes in the kitchen near the center wall and run the hose as far as possible through those holes. Do the same in my bedroom for the bedroom, hallway, laundry room and bathroom. My bedroom is still stucco but it would mean one room to cut through stucco instead of several.
Going to start cutting test holes tonight and see what I'm dealing with.
There is one up side to this. The hose is a lot more likely to get clogged when you're using the nozzle (which is 1" but has limited range). Feeding the hose directly into the ceiling, I can leave the nozzle off, so less likely to experience clogs.
There is the possibility of another issue coming up, which would be that the rafters open into the spaces in the cinder block walls. If that's true, it will mean the insulation will feed into those space and have to be filled before the ceiling does. Which will mean I need a lot more insulation. Once again, an up side, which is that the cinder block walls will be much better insulated.
Update on the truck. The truck seems to be running better. It has better compression. However, it did overheat once this weekend. It also ran rougher later on. I definitely have to pull and clean the plugs. One down side to using sealant is that if the leak goes into the cylinders, the sealant clogs the spark plugs. Have to do that this week.
That's a little set back. I had thought it would be more like a 1" hole. May not seem like much difference at first. However, it will require a hole between each of the rafters, meaning dozens of holes. It actually takes much more work to patch a 3" hole than a 1" hole.
In the kitchen, I can use a special bit just for cutting large holes. Then keep the plugs to put back in place later. However, the kitchen has sheet rock. May be a much bigger problem in other rooms, which have stucco and in many places metal lath.
So, my hope is that the rafter spaces go all the way across the center support wall. If they do, I can just cut holes in the kitchen near the center wall and run the hose as far as possible through those holes. Do the same in my bedroom for the bedroom, hallway, laundry room and bathroom. My bedroom is still stucco but it would mean one room to cut through stucco instead of several.
Going to start cutting test holes tonight and see what I'm dealing with.
There is one up side to this. The hose is a lot more likely to get clogged when you're using the nozzle (which is 1" but has limited range). Feeding the hose directly into the ceiling, I can leave the nozzle off, so less likely to experience clogs.
There is the possibility of another issue coming up, which would be that the rafters open into the spaces in the cinder block walls. If that's true, it will mean the insulation will feed into those space and have to be filled before the ceiling does. Which will mean I need a lot more insulation. Once again, an up side, which is that the cinder block walls will be much better insulated.
Update on the truck. The truck seems to be running better. It has better compression. However, it did overheat once this weekend. It also ran rougher later on. I definitely have to pull and clean the plugs. One down side to using sealant is that if the leak goes into the cylinders, the sealant clogs the spark plugs. Have to do that this week.
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