Sunday, August 24, 2008
Adding pour windows
Filling under the windows reduces the amount of fall for the concrete when filling the forms, but there aren't windows everywhere and I don't want the concrete to fall more than a few feet because the aggregate can separate out. So, holes are cut in the ICCF with a keyhole saw.
The locations (on vertical columns) are marked with a three inch drywall screw, which then serves as the handle to remove and replace the triangle. The triangle is marked with paint so that it can be quickly replaced. At pumping time, the hose is shot in the hole, then the triangle is buttered up with foam glue and stuck back in place. Foam glue can adhere and cure when wet. When you work around the building, the glue has cured by the time you pour the next lift above this hole.
It's best to also use a couple of 16d nails as a mechanical fastener. Just drive them in at an angle to toe nail the piece in place.
The locations (on vertical columns) are marked with a three inch drywall screw, which then serves as the handle to remove and replace the triangle. The triangle is marked with paint so that it can be quickly replaced. At pumping time, the hose is shot in the hole, then the triangle is buttered up with foam glue and stuck back in place. Foam glue can adhere and cure when wet. When you work around the building, the glue has cured by the time you pour the next lift above this hole.
It's best to also use a couple of 16d nails as a mechanical fastener. Just drive them in at an angle to toe nail the piece in place.
You don't have to use a triangle shape, but it's the easist to replace quickly. Avoid circles. Here's a pour hole done in the shape of Pooh Bear's head. I also did Piglet and Eeyore. Tigger's a fraud.# posted by gnome-honey @ 3:44 PM 
