Terracotta Sealer Glaze (WB) – 20L

Terracotta Sealer Glaze (WB) – 20L

Clear acrylic membrane coating designed for unglazed Terracotta Roof Tiles


SKU: 12TGW Category: Tag:
  • Description
  • Additional information
  • Safety Data Sheet (SDS)
  • Product Data Sheet (PDS)


Roofshield Terracotta Glaze is a Clear acrylic membrane coating designed for unglazed Terracotta Roof Tiles. At first glance, the terracotta glaze appears to be a pinkish colour coating but dries 100% clear. Is designed to seal and protect unglazed terracotta tiles and will not allow lichen to attach and grow on the coating surface. The Roofshield Terracotta Glaze is an essential part of the roof coating process for terracotta roofs

Additional information

Weight 20 kg




A water based 100% Acrylic Sealer / Glaze finish for cleaned, non-glazed Terracotta clay roof tiles to seal against the penetration of water from rain and dew and to restrict the growth of disfiguring algae and lichen. The sealer dries to a pleasing semi-glaze sheen which highlights the natural colour of the tile.

ROOFSHIELD TERRACOTTA TILE SEALER GLAZE is water based with little odour and is environment friendly. 


Property Description
Gloss Level Conforms to AS 2311 – Semi Gloss
Exterior Durability Very Good
Colour Clear
Coverage Varies with surface (5-8 sq M/L)
Number of Coats 2 light coats recommended
Recoat Time 2 hours in normal conditions
Thinning Not normally necessary
Clean Up Water



Refer to suggested Work Procedures. 

Water blast and clean tiles using a 3,000psi machine. Ensure all dirt, fungus, and other deposits are fully removed. Give attention to effective cleaning of the noses of tiles, taking care to not force water up under toiles onto ceilings or soffits. Ingrained fungi and organic material may need to be bleached before coating. Sodium hypochlorite (Pool Chlor or Hypo) is normally used with particularly difficult spots, sometimes requiring treatment with caustic soda. SODIUM HYPO CHLORITE AND CAUSTIC SODA ARE CONCERNTRATED AND CORROSSIVE CHEMICALS AND MUST BE HANDLED ACCORDING TO THEIR MANUFACTURERS SAFETY DIRECTIONS. Applicators should be trained in the proper use of these substances for the treatment of roofs. 

APPLICATION Apply two coats by airless spray. 

OTHER INFORMATION Stir before use. Surface must be dry before application Do Not apply at temperatures below 10 degrees Celsius. This coating is not recommended for application to glazed tiles (gloss or low sheen) nor to brown or dark coloured terra cotta tiles.