Osmo Exterior Gap Sealer - 310ml

  5.0/5.0 (2 reviews)
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  • A professional grade siliconised, one part acrylic sealant
  • Perfect for sealing window and door frames to masonry
  • Seals cracks, seams and connection joints
  • Formulated to stay elastic through all conditions
  • Water, temperature and UV resistant
  • Solvent free, low odour
Brand Osmo
Drying time hr
MPN GSE8016, GSE1002, GSE8001, GSE1001, GSE8012, GSE9010
GTIN 6429683733090, 6429683732796, 6429683732864, 6429683732628, 6429683732932, 6429683732550

High quality, one component, flexible sealant that has plasto-elastic qualities. Can be used for filling, fixing gaps between masonry, brick and door and window frames.

  • Coverage is dependent on gap width and depth but as a guide, based on 3mm gaps a 310ml tube will fill around 30 linear metres.
  • For interior surfaces see Osmo Interior Gap Sealer - 310ml.

Ensure that surfaces to which Osmo Exterior Sealer is to be applied are clean, dry and free from contamination and loose materials.

Coverage is dependent on gap width and depth but as a guide, based on 3mm gaps a 310ml tube will fill around 30 linear metres. Not suitable for joints exposed to continuous water immersion.

  1. Cut dome seal of the tube with sharp knife, taking care not to damage the thread.
  2. Screw the nozzle on to the tube.
  3. Cut nozzle top at angle to suite size and shape of gap to be filled.
  4. Slowly squeeze mastic gun trigger to start flow from nozzle.
  5. Apply as continuous bead ensuring contact is made with all faced surfaces.
  6. Immediately smooth bead with a flat edge, sponge or wetted finger.
2 customer reviews
5/5.0
 
Easy to use by Richard Harrison

Excellent

Reviewed Medium Oak on: 30/09/16
Works Well by Fred Austin

Works like any other exterior sealer. But not as toxic as others. No complaints.

Reviewed Pine - Spruce on: 26/09/16
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