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MAPEI Keracolor GG Large Grain 5kg grout bag - high-performance cementitious color grout for 4-15mm tile joints
MAPEI Keracolor GG Large Grain 5kg grout bag - high-performance cementitious color grout for 4-15mm tile joints

Mapei Keracolor GG Wide Joint Grout

Polymer-modified cementitious grout for wider 4–15 mm joints in terracotta, rustic ceramic, facebrick and suitable stone, on interior and exterior walls and floors.

Vendor: Mapei
SKU: GROUTGG100/20
Availability: Out Of Stock
$31.26
$31.26
Prices do not include GST

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Description  

Mapei Keracolor GG is a polymer-modified cementitious grout developed for tile and masonry finishes with wider joints. Its specified 4–15 mm joint range makes it an appropriate choice for rustic ceramic tiles, terracotta, facebrick and suitable stone, where a fine-joint grout may not be the best match for the installation.

Wide joints are often an intentional part of the look of a terracotta floor, textured wall or exposed-brick feature. Keracolor GG helps create a consistent, durable joint between those materials without trying to stretch a fine-textured grout beyond its intended gap width. It is suitable for compatible internal and external wall and floor installations.

Where Keracolor GG makes sense

  • Terracotta and rustic floors: Fill the wider, visible joints associated with traditional or irregular-format tiles.
  • Facebrick and decorative wall finishes: Create a cohesive cementitious joint on approved brick and tile surfaces.
  • Exterior tiling: Use on suitable outdoor tile and stone installations where the substrate, weather exposure and curing programme meet the system requirements.

Which Mapei grout should you choose?

Choose Keracolor GG where the specified joint is 4–15 mm wide. For finer joints up to 6 mm, Keracolor FF provides a fine-grained alternative. If fast setting and early return to service are priorities, compare Ultracolor Plus; for a non-absorbent epoxy finish in demanding conditions, consider Kerapoxy Easy Design.

Getting a consistent finish

Measure mixing water accurately and work within the grout's usable life. Clean at the prescribed stage, checking porous or textured tile faces for staining and residue first. Grout is not a movement-joint sealant or a waterproofing membrane; use the correct flexible joint treatment and full waterproofing system where required.

Common Questions  

What joint width is Keracolor GG for?
It is designed for joints from 4mm to 15mm.

What classification does it have?
It is a CG2WA cementitious grout.

When can a pool be filled?
Allow about 7 days after grouting.

Can it be used where strong chemical resistance is required?
No. Use a suitable epoxy grout such as Kerapoxy.

Uses & Benefits  
Polymer-modified cementitious grout for wider internal and external wall and floor joints from 4mm to 15mm. Classified CG2WA. Reduced water absorption and high abrasion resistance suit façades, balconies, terraces, pools and dry industrial floors. Pot life is about 2 hours. Light foot traffic is possible after about 24 hours and pools can be filled after about 7 days.
How To Apply  
Allow tile adhesive to set and clean joints before grouting. Measure clean mixing water accurately, mix uniformly and use within the approximately 2-hour pot life. Pack joints from 4mm to 15mm fully and clean the tile face without over-watering. For demanding systems such as façades, pools or heavy traffic, use Fugolastic in place of mixing water where specified by Mapei. Allow about 24 hours before light foot traffic, 3 days for full service and 7 days before filling pools.
Limitations and Safety Info  
Do not mix with cement or other products. Do not add water after the mix has begun to set. Do not mix different grout colours together or use salt or dirty mixing water. Apply only between 5°C and 35°C. Measure water accurately. Excess water can cause efflorescence and colour variation. Do not use where high chemical resistance or hygienic epoxy performance is required. Do not fill expansion or distribution joints with Keracolor GG. Test rough or micro-porous tile and stone for cleanability before grouting.
Suitable Substrates  
  • Ceramic, porcelain, klinker and terracotta tile joints.
  • Facebrick.
  • Natural stone, marble, granite, antiqued marble and compatible agglomerates.
  • Exterior façades, balconies and terraces.
  • Swimming-pool and dry industrial tiled systems where chemical resistance is not required.

Mapei Keracolor GG Wide Joint Grout Physical Properties

Mapei Keracolor GG Wide Joint Grout Physical Properties
Property Value
Product Type Granular powder
EMICODE Classification EC1 Plus - very low emission
Mixing Ratio 100 parts Keracolor GG with 18–20 parts water by weight
Pot Life Approx. 2 hours
Application Temperature +5°C to +35°C
Grouting Time (Walls, Normal Adhesive) 4–8 hours
Grouting Time (Walls, Fast-Setting Adhesive) 1–2 hours
Grouting Time (Floors, Normal Adhesive) 24 hours
Grouting Time (Floors, Fast-Setting Adhesive) 3–4 hours
Grouting Time (Floors, Mortar) 7–10 days
Waiting Time for Finishing 10–20 minutes
Ready for Light Foot Traffic Approx. 24 hours
Ready for Use 7–10 days (Australian product listing)
Storage Conditions 12 months in original packaging

Mapei Keracolor GG Wide Joint Grout - Use Cases

Here are some common examples on where Mapei Keracolor GG Wide Joint Grout used by our customers.

Tiling

Swimming Pool Tile Grout

Sealing tile joints in swimming pools, tanks, or continuously wet areas requiring reduced water absorption for longevity.

Formulated with reduced water absorption, it maintains joint integrity in immersion conditions, especially when enhanced with Fugolastic for added protection.

  • CG2WA classification
  • Reduced water absorption
  • 7 days for pools ready
  • Fugolastic compatible

Tiling

Grouting Outdoor Tiles

When grouting exterior façades, balconies, terraces, or swimming pools in varied climatic conditions.

Its CG2WA classification ensures durability against weather, water ingress, and freeze/thaw cycles for long-lasting outdoor installations.

  • CG2WA classified (EN 13888)
  • Joints 4 to 15 mm
  • Resistance to freeze/thaw cycles
  • Low water absorption

Flooring

Durable Industrial Floor Grout

For grouting ceramic tiled industrial floors, warehouses, or garages subject to heavy foot traffic.

Offers high abrasion resistance and compressive strength, maintaining joint integrity under constant wear without cracking.

  • High abrasion resistance (CG2WA)
  • Good compressive strength
  • Joints 4 to 15 mm
  • Low shrinkage

Tiling

Wide Tile Joint Grouting

When grouting large format tiles, rustic finishes, or natural stone materials requiring wide joints.

Designed for robust filling of 4 to 15 mm joints, providing good flexural strength and preventing common grout failures.

  • Joints 4 to 15 mm
  • Terracotta, natural stone
  • Good flexural strength
  • Low shrinkage

Tiling

Standard Grout for 4-15mm Tile and Stone Joints

Grouting interior and exterior floors and walls constructed with a range of ceramic tiles (porcelain, klinker) or natural stone materials, with joint widths between 4mm and 15mm.

This polymer-modified grout provides strong, durable joints across typical residential and commercial applications. It is suitable for various tile and stone types, ensuring good adhesion and crack resistance for wider gaps.

  • For joints from 4 to 15 mm
  • Good compressive and flexural strength
  • Low shrinkage
  • Suitable for all types of ceramic tiles and stone material

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