Toolipedia: Notched Trowel

Toolipedia: Everything you wanted to know aboutnotched trowels

A notched trowel with a blue handle | Construction Pro Tips

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What is a notchedtrowel?

A notched trowel isused to spread adhesiveandthin set. It differs from a regular trowel in that it has notches, usually on two sides of the blade.Running a notched trowel over adhesive or thinset leavesbehind rows of the product. How much adhesive is left behind depends onthe size of the notches; the larger the notch, the more material is left behind.The proper size notch depends on the size of the product being installed. Larger notches are required for larger tiles, while smaller notches aremore commonly used to install small tile,flooring products like linoleum, and paneled products.Tile and flooring installersuse notched trowels.

How is a notched trowel used?

While spreading adhesiveor thin set with a notched trowel, its importthat the trowel stays in contact with thesubstrate(wall, floor, etc.)so that the only material left behind is what flows through the notches. This will ensure aconsistentapplication.Its also important to create a pattern that runs in just one direction. Creating acheckeredpattern willcreateair pockets,whichwillpreventfullcontactbetween the adhesive or thin set andthetile.

What are the differenttypes of notched trowels?

  • V-notched–Small tile, flooring products and panels, usually used with adhesive
  • Square-notched–General use, the type/size of the product determines the size of the notch
  • U-Notched– General use, the type/size of the product determines the size of the notch
  • Notched margin trowel– Fortight spaces
  • InterchangeablehandleRequires lessspacefor pros who need to haul a bunch oftrowels

What makes a good notched trowel?

  • Some prefer U-shaped notchesto squarebecausethere is less chance for creating air pockets
  • Rubber handle that feels comfortable

Rubi makeshigh quality trowels.

Trowels hooked onto the edge of a bucket | Construction Pro Tips

Notched trowel tip

Trowels arebulky. If you have a bunch of them, consider storing them like this in a bucket.

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