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Husky10015 Dec 2020 13:20Hello, we wanted to drill from the basement ceiling to the outside and used a 35 mm (1.4 inch) drill bit. Unfortunately, the hole ended up going through the exterior wall. The drill hole is now about 80 cm (31.5 inches) deep. I would like to fill it with plaster and masonry mortar. How can I get the mixture into this hole without it falling back out? Is there any special tool that allows you to push it in and press it against the sides, similar to using a cartridge? Or is there another method?
Thank you very much for your help!
Husky1001
Thank you very much for your help!
Husky1001
Dry mortar and styrofoam discs 35mm x 30-60mm thick (1.4 inches x 1.2-2.4 inches thick) (to prevent thermal bridges).
1. Small trowel of mortar – styrofoam disc – tap firmly with a broom handle, repeat step 1, finish with mortar, place a board on top, fix with dowels, wait 3 days, remove the board
1. Small trowel of mortar – styrofoam disc – tap firmly with a broom handle, repeat step 1, finish with mortar, place a board on top, fix with dowels, wait 3 days, remove the board
Husky1001 schrieb:
approx. 80cm deep (31.5 inches). Deep inside? What do you mean by that?
Masonry mortar doesn’t just fall out that easily; the mixture is stiff enough to be spread and packed properly.
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Husky10015 Dec 2020 18:40Thank you for the responses. The idea with the mortar and the polystyrene might work. However, I would need to cut the polystyrene pieces into a circular shape. Would it make sense to spray the drill hole with water beforehand to help the mortar adhere better?
The hole was made from the basement ceiling at an angle upwards into the exterior wall.
Are there any other ideas or suggestions? I am thinking of an 80 cm (31.5 inches) long cartridge that I could fill with masonry mortar, push all the way into the hole, and then slowly release the mortar inside the hole in one go. At the bottom, I would screw a board in to hold everything in place until it dries. But I guess such a cartridge does not exist, right? Thank you very much.
The hole was made from the basement ceiling at an angle upwards into the exterior wall.
Are there any other ideas or suggestions? I am thinking of an 80 cm (31.5 inches) long cartridge that I could fill with masonry mortar, push all the way into the hole, and then slowly release the mortar inside the hole in one go. At the bottom, I would screw a board in to hold everything in place until it dries. But I guess such a cartridge does not exist, right? Thank you very much.
The previously mentioned solution is simple and pragmatically serves its purpose. There are also cartridges for injection – keywords are injection anchors and resin mortar. However, these products are primarily designed for bonding heavily loaded fasteners into walls, such as threaded rods. The material hardens extremely quickly, within a few minutes.
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