Hello!
I'm going to install a projector on the ceiling, and as far as I understand, the ceiling is some type of lightweight concrete, siporex or something... very soft and porous. I previously had the projector mounted with these plugs:
http://www.biltema.se/products/product.asp?iItemId=83479
Art# 20-151.
And it has stayed up without any problems. Now those are out of stock, and the projector needs to go up, but I don't want to "take a chance" entirely and thus I'm wondering if the blue or gray model is preferable? (see picture) The white one is out of stock, and it's the one I've used before (from Biltema).
http://www.inte100.se/bilder/plugg.jpg
The ceiling mount has 4 mounting points, the projector weighs about 6.5kg, the mount no more than 500g.
I'm going to install a projector on the ceiling, and as far as I understand, the ceiling is some type of lightweight concrete, siporex or something... very soft and porous. I previously had the projector mounted with these plugs:
http://www.biltema.se/products/product.asp?iItemId=83479
Art# 20-151.
And it has stayed up without any problems. Now those are out of stock, and the projector needs to go up, but I don't want to "take a chance" entirely and thus I'm wondering if the blue or gray model is preferable? (see picture) The white one is out of stock, and it's the one I've used before (from Biltema).
http://www.inte100.se/bilder/plugg.jpg
The ceiling mount has 4 mounting points, the projector weighs about 6.5kg, the mount no more than 500g.
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Do you have a CRT projector or a small LCD? There's quite a difference in weight...
I would probably get anchors intended for light concrete or maybe expansion sleeves (or is that bad for light concrete?). I think any of the anchors you show in the picture would work if you drill a hole that's 0.5mm smaller than what you should have for the anchor, but it's risky to take a chance.
The weight was added while I was writing my post. I would probably try mounting the bracket with the gray anchors you show and test pulling on it. If it doesn't hold stable, you'll probably need to get special anchors for light concrete.
I would probably get anchors intended for light concrete or maybe expansion sleeves (or is that bad for light concrete?). I think any of the anchors you show in the picture would work if you drill a hole that's 0.5mm smaller than what you should have for the anchor, but it's risky to take a chance.
The weight was added while I was writing my post. I would probably try mounting the bracket with the gray anchors you show and test pulling on it. If it doesn't hold stable, you'll probably need to get special anchors for light concrete.
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