Travertine pavers are a timeless choice for patios, walkways, and pool decks. Their natural beauty and durability make them a favorite for homeowners and designers alike. But once the pavers are set, the question often arises. What do you put in between travertine pavers to lock them in and keep them stable?
The answer lies in choosing the right joint material. Let’s break down the best options and what they do for your installation.
1. Polymeric Sand
Polymeric sand ranks among the most popular materials for filling spaces between pavers. Manufacturers mix fine sand with polymer additives, and when you activate it with water, it hardens to form a strong bond.
Benefits:
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Locks pavers in place, preventing shifting.
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Minimizes weed growth.
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Reduces ant infestations.
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Helps prevent erosion of joints.
Polymeric sand is ideal for outdoor spaces that see heavy use, like driveways, patios, and pool decks.
2. Regular Jointing Sand
Traditional jointing sand is a simpler option. It’s swept into the joints and helps fill gaps, but unlike polymeric sand, it doesn’t harden.
Benefits:
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More budget-friendly.
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Easy to install or reapply if it washes away.
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Works well for areas with lighter traffic.
Keep in mind that jointing sand may require more frequent maintenance
3. Mortar or Grout (for Tighter Installs)
In some cases, especially for formal designs or indoor/outdoor transitions, mortar or grout can be used.
Benefits:
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Creates a more permanent, seamless finish.
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Reduces movement and shifting.
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Provides a polished look.
However, grout or mortar is less flexible than sand. For outdoor areas where pavers expand and contract with temperature changes, it can be prone to cracking.
4. Grass or Decorative Ground Cover
For a more natural or rustic look, some homeowners choose to fill joints with grass, moss, or creeping ground covers.
Benefits:
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Softens the look of the stone.
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Adds greenery and texture.
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Environmentally friendly option.
This approach requires more upkeep, but it can create a unique, organic aesthetic.
Choosing the Right Option – What do you put in between travertine pavers to lock them in?
The best joint filler for your travertine pavers depends on your goals:
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Durability & low maintenance → Polymeric sand.
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Budget-friendly, easy fix → Regular jointing sand.
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Formal, permanent look → Mortar or grout.
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Natural, rustic charm → Grass or ground cover.
By choosing the right filler, you not only lock your travertine pavers in place but also protect them against weeds, erosion, and shifting—ensuring your outdoor space remains beautiful and functional for years to come.