sia House – uncomplicated, simple and quick
1 Window with a perfect surface finish
![](/fileadmin/user_upload/Schleifloesungen/Systemloesungen/Innenausbau/Web_Fenster_Vorher.jpg)
![](/fileadmin/user_upload/Schleifloesungen/Systemloesungen/Innenausbau/Web_Fenster_Nachher.jpg)
1
![](/fileadmin/user_upload/images/industriezweige/Innenausbau/Haus_1__Schritt_1.jpg)
Preparatory steps
- Cover all parts that you are not renovating
- Apply a light layer of bodyfiller to cracks and holes
2
![](/fileadmin/user_upload/images/industriezweige/Innenausbau/Haus_1__Schritt_2.jpg)
Sanding off
- Fully sand off any brittle/peeling paint
- Key the whole window frame
Manual sanding
P80 / P120 Sanding off
P180 Keying
7900 sianet – Rolls
*****
1960 siarexx – Sheets
1960 siarexx – Rolls
****
1902 siacraft – Sheets
***
Machine sanding
P80 / P120 Sanding off
P180 Keying
7900 sianet – Discs
7900 sianet – Polygons
*****
1960 siarexx – Discs
1960 siarexx – Polygons
****
1944 siaone – Discs
***
3
![Fensterrahmen aus Holz wird weiss grundiert](/fileadmin/user_upload/images/industriezweige/Innenausbau/Haus_1__Schritt_3.jpg)
Priming
- Thoroughly clean the window
- Apply a first coat according to the paint manufacturer's specifications
4
![](/fileadmin/user_upload/images/industriezweige/Innenausbau/Haus_1__Schritt_4.jpg)
Intermediate sanding
- Sand off wood fibres resulting from moisture in the paint
Manual sanding
P240
7900 sianet – Rolls
*****
1960 siarexx – Rolls
1960 siarexx – Sheets
****
1902 siacraft – Sheets
***
Machine sanding
P240
7900 sianet – Discs
7900 sianet – Polygons
*****
1960 siarexx – Discs
1960 siarexx – Polygons
****
1944 siaone – Discs
***
5
![](/fileadmin/user_upload/images/industriezweige/Innenausbau/Haus_1__Schritt_5.jpg)
Second coat
- Clean the surface thoroughly
- Apply a second coat according to the paint manufacturer's specifications
![](/fileadmin/user_upload/Schleifloesungen/Systemloesungen/sia-Haus_Bilder_Perfekte_Oberflaeche/Bild_1_Seite_9.jpg)
Window with a perfect surface finish
![](/fileadmin/user_upload/2020-04-14_08h36_59.png)
Expert tip
Use a siasponge Combination Block for precise intermediate sanding.
7990 siasponge
![](/fileadmin/user_upload/2020-04-14_10h53_26.png)
Expert tip
Use siafleece for soft and efficient intermediate sanding.
6120 siafleece