Hello,
we have a cement screed (CT-C35) in the garage. It was smoothed using a machine (no power trowel) during installation and is now open-pored. Before using it with cars, I would like to seal the screed. Tiles are not an option due to the sliding door, as I would first need to mill down the screed along the track in the floor. Also, I don’t like the look of tiles.
The most common suggestion for sealing is a two-component resin coating. I believe this would also be the most durable solution.
I have also read several times about sealing with water glass. There are no high aesthetic requirements; the sloped screed just needs to be protected from water. As an alternative, I could imagine the following:
I would especially be interested in the opinion of @KlaRa, who seems knowledgeable in this area.
Best regards!
we have a cement screed (CT-C35) in the garage. It was smoothed using a machine (no power trowel) during installation and is now open-pored. Before using it with cars, I would like to seal the screed. Tiles are not an option due to the sliding door, as I would first need to mill down the screed along the track in the floor. Also, I don’t like the look of tiles.
The most common suggestion for sealing is a two-component resin coating. I believe this would also be the most durable solution.
I have also read several times about sealing with water glass. There are no high aesthetic requirements; the sloped screed just needs to be protected from water. As an alternative, I could imagine the following:
- Brushing and vacuuming the screed
- Multiple applications of water glass until saturation
- Optional painting with floor paint
I would especially be interested in the opinion of @KlaRa, who seems knowledgeable in this area.
Best regards!
B
Benutzer 100115 Oct 2024 14:53Thicker porcelain tiles and replace individually if one breaks or needs to be changed for any other reason.
derdietmar schrieb:
I would especially be interested in @KlaRa’s opinion, as they seem knowledgeable in this area. The person addressed thanks for the kind words in advance.
(As a publicly appointed expert, especially for coating systems, I should be familiar with the topic here.)
Refinishing the screed surface with potassium water glass is certainly an inexpensive and effective solution if no visual demands are placed on it.
However, applying a paint layer later on for "cosmetic improvement" does not work that easily.
Potassium water glass seals or fills the pores near the edges, creating an oil- and water-repellent surface. Due to different absorption properties of the screed or concrete, a cloudy light-dark appearance develops visually.
After the potassium water glass has cured (physically, only the contained water as carrier or solvent evaporates), the surface is as hard as glass.
So, if you want to apply paint later, the potassium water glass-treated surface must be thoroughly sanded with suitable electric tools.
Otherwise, there is nothing against using potassium water glass, which is also used as an inexpensive surface protection in industrial applications!
Before any measures, first check whether the screed surface has a slope away from the walls (a spirit level is sufficient as a tool).
-----------------------
Good luck: KlaRa
D
derdietmar6 Dec 2024 18:40Hello,
a quick update: I have now ordered a 2K coating (Easyground). Due to the weather conditions, I obviously can't do anything at the moment, but I will report back as soon as it is finished.
Best regards
a quick update: I have now ordered a 2K coating (Easyground). Due to the weather conditions, I obviously can't do anything at the moment, but I will report back as soon as it is finished.
Best regards