Hello everyone,
after our New Year, the construction of our balcony is planned for spring. The railing has been ordered, and porcelain tile slabs have been purchased. The balcony slab was cast in concrete, insulated with sloped insulation, and sealed with a flat roof membrane.
Should we place the tiles on pedestal supports or embed them in gravel? Does it make sense to use a drainage mat as an underlayment? We need to cover a height difference of 17cm (7 inches) from the slab up to the balcony door entrance.
Are the tiles installed before or after building the railing?
after our New Year, the construction of our balcony is planned for spring. The railing has been ordered, and porcelain tile slabs have been purchased. The balcony slab was cast in concrete, insulated with sloped insulation, and sealed with a flat roof membrane.
Should we place the tiles on pedestal supports or embed them in gravel? Does it make sense to use a drainage mat as an underlayment? We need to cover a height difference of 17cm (7 inches) from the slab up to the balcony door entrance.
Are the tiles installed before or after building the railing?
R
Reini123416 Mar 2020 14:51@Matthew03
For the same reasons as with anat? The panels sound hollow?
For the same reasons as with anat? The panels sound hollow?
M
Matthew0316 Mar 2020 14:56The sound is secondary for me, but they simply don’t fit perfectly, and with slight unevenness, it’s almost impossible to get them perfectly level with the water.
It also depends on the quality of the bearings; we replaced ours because the first ones were too cheap. But even the higher-quality ones didn’t achieve a surface as perfect as the neighbor’s gravel...
It also depends on the quality of the bearings; we replaced ours because the first ones were too cheap. But even the higher-quality ones didn’t achieve a surface as perfect as the neighbor’s gravel...
Well, that’s exactly why I’m giving this tip. I laid mine on gravel, with dimensions of 45x90x2cm (18x35x0.8 inches). My slabs shifted, and when you step on the edge, they wobble slightly. After two years, I’ll have to lift them and reset the approximately 16cm (6-inch) diameter pieces, which are like plates, using a cross jointing method.
According to the landscape gardener, the split layer was too thick at 4cm (1.6 inches). They should have used a maximum of 2cm (0.8 inches) or proper supports that are adjustable from above.

According to the landscape gardener, the split layer was too thick at 4cm (1.6 inches). They should have used a maximum of 2cm (0.8 inches) or proper supports that are adjustable from above.
The panels that are good have dimensions of 80x40x3.8 millimeters (3.1x1.6x0.15 inches) (Kann Andalusia). The panels that are not good have dimensions of 80x40x2 millimeters (3.1x1.6x0.08 inches) (Emperor Rio Dorado). Unfortunately, no weight information was found online. And yes, the thinner panels also sound different, slightly hollow, but that doesn’t bother us.
R
Reini123410 Aug 2020 14:46One more question:
Did you place building protection mats under the pedestal supports? If yes, what thickness did you use?
Did you place building protection mats under the pedestal supports? If yes, what thickness did you use?
Protective mat under the pedestal supports.
There are significant differences even among pedestal supports. Those with large heads and adjustable slopes, etc., are excellent. Glue individual pedestal supports to the floor.
Currently, we have only completed the balcony and one exit. The slabs are 60 x 60 x 2 cm (24 x 24 x 0.8 inches). Very sturdy.
On the terrace, the slabs will be 120 x 60 x ? cm (47 x 24 x ? inches). We allow the rainwater to flow through and direct it into a cistern.
If a slab becomes damaged, it can be easily replaced, and retrofitting cables or pipes is simple.
There are significant differences even among pedestal supports. Those with large heads and adjustable slopes, etc., are excellent. Glue individual pedestal supports to the floor.
Currently, we have only completed the balcony and one exit. The slabs are 60 x 60 x 2 cm (24 x 24 x 0.8 inches). Very sturdy.
On the terrace, the slabs will be 120 x 60 x ? cm (47 x 24 x ? inches). We allow the rainwater to flow through and direct it into a cistern.
If a slab becomes damaged, it can be easily replaced, and retrofitting cables or pipes is simple.
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