Sandplast LH Extra

Sandplast LH Extra

Flügger Sandplast is a ready-mixed, ready-to-use filler. Used for smoothing out of ceilings and walls. The products have optimised working properties and filling capacity, good sanding characteristics and produce minimum shrinkage.

Product Description

Filler for dry rooms. Contain light, medium filler paste with premium filling capacity. Finish by treating with a wall covering and/or suitable ceiling or wall paint in the desired colour and gloss.
  • Medium filler
  • Premium filling capacity
  • Light grey


Patching and filling when smoothing out plaster, concrete, lightweight concrete and previously painted surfaces, and as a finish filler on gypsum plasterboard where the joints are filled with Sandplast 696 FOG or Sandplast LB with Marco Spark-Perf or Sheetrock plaster tape.


Must be clean, dry, firm and suitable for surface treatment.


Remove loose material and paint by cleaning, sanding and dusting.
Remove dirt, grime, grease and chalking materials by cleaning with Fluren 37.
Water-soluble discolouration, nicotine and soot can be cleaned with Fluren 49.
Sand flat hard, slippery surfaces.
Apply the filler paste and smooth out.
Sand the surface and prime it before any additional treatment.


Apply and smooth out using a filler knife.
Decide your choice of tools based on the size of the surface.
Apply a sufficient amount and then work and smooth out the filler paste.
Cold/ heat can affect the viscosity of the material.
Condensation during drying/curing must not form.
Cold and increased humidity extends drying time, full curing and recoating interval.
Increased temperature and low atmospheric humidity reduce drying time and full curing.
Risk of shrinkage where the filler paste is not completely cured before additional treatment.
Always perform a test treatment for a check and acceptance of adhesion and result.


Even surface for additional treatment.

Environmental information

Clean off the paint from tools and wash them with water. Bring remains of fluent paint to the local recycling centre. Minimize your paint waste by pre-estimating how much paint you need. Keep the leftover paint for future use so you can effectively reduce the environmental impact.

Storage: Cool, frost-free, and tightly closed

Protection equipment: Spray painting: painting suit, full face mask with combined filter. Painting: eye protection, gloves. Sanding: respiratory protection.

Technical Data

Plaster & Sealant
Light grey
Density (kg/liter)
Weight %
Volume %
Nominal spreading rate (m2/l)
Workable temperature
Min. +10°C
Max. humidity 80 % RH.
Dry to touch at 20°C, 60% RF (Hours)
Fully cured at 20c, 60% RF (Days)
Emission cf. ISO 16000-9:2011
77 < µg/m²h after 28 days
Cleaning of Tools etc.

Current TDS Version

april 2020

Replaces TDS Version

januar 2018