Grout

RevoTile RAPIDGROUT is our single-component flexible grout designed specifically for clicking titles Select from our grout colors and install on the same day. No waiting. Finished 2X faster than regular tile. RevoTile RAPIDGROUT is a premium, pre-mixed water-based flexible grout offering the ultimate in color accuracy, water resistance, and stain, and cracks protection. No sealing is required.

Beautiful for my new stone tile!. Laversia. Sun Nov 19 2023

Our NEW Starlike EVO grout is a Two-component, acid-resistant epoxy grout for laying and grouting all types of tiles and mosaics with joints 1mm (3/64) to 15 mm (19/32) in. width. World's leading high-performance and high-fashion grouting material. This Litokol Epoxy grout is extremely easy to install and maintain. Can also be used as an adhesive. We also offer several The Tile Doctor Shimmer / Glitter additives that you can add to any of our colors. Product with ultra-low volatile organic compound (VOC) emissions. When applying grout to the tile we recommend using The Tile Doctor Epoxy Float. This float is specially designed to spread grout into joints when grouting tile with epoxy-based grout.

Great color match for what I needed. Zarinah. Los Angeles, CA. Wed Jun 03 2026

Epoxy Elite EVO Acid-resistant 2-part epoxy mortar for the installation and grouting of ceramic tiles and mosaics with 1/32” to 5/8” (1 to 15 mm) joints. For virtually all areas of application, indoor and outdoor floors and walls, also rated for pool and steam environments. Product with ultra-low emission of volatile organic substances (VOC) the ZHERORISK formulations provides an innovation which are safer for the installer, the jobsite and have no transportation or environmental negatives like all of the other epoxy grouting products. Innovative new approach to Epoxy Mortar that enables a smoother matt finish. Epoxy Elite EVO is a commercial product that can be used as a non-sag setting material and grouting product. Extremely easy to install and maintain (follow specific instructions for this product). 2-part anti-acid epoxy mortar. Part A consists of a mixture of epoxy resin, fine-grain siliceous aggregates, pigments and specific organic additives. Component B consists of an innovative organic catalyst. The 2 parts, once mixed together at room temperature will have a full 60 minutes of application and cleaning time, and forms a creamy mixture with excellent smoothness, also for no-drip vertical application. Once hardened, the product has ultra-high performance in terms of mechanical and chemical resistance. The grout is industrial grade performance even when subjected to enzymatic cleaners and other harsh environments. When applying grout to tile we recommend using The Tile Doctor Green Epoxy Float. This float is specially designed to spread grout into joints when grouting tile with epoxy-based grout.

This product is the best. The absolute best ! Sure it's expensive but well worth it.. Monique. QC. Sun Dec 21 2025

SPECTRALOCK PRO Premium TRANSLUCENT Grout† is a patented, extreme high performance epoxy Grout that offers a unique opaque color that diffuses light and makes any design look more vibrant. It also has increased durability and stain resistance with superior ease of use and cleaning.

PERMACOLOR® Grout is a high-performance, fast-setting polymer-fortified grout that provides a tile grout joint that is dense and hard. PERMACOLOR Grout is color-consistent and features built-in Microban® antimicrobial protection to keep the grout surface looking newer for longer. High-performance grout with Water Dispersion Technology™ for enhanced strength, stain resistance, and lasting results.

Laticrete Spectralock Grout Part C is a high-performance epoxy grout designed for demanding residential and commercial installations. Part of the renowned Laticrete Spectralock Grout Part C system, this grout offers superior strength, durability, and resistance to stains, making it ideal for use in high-traffic areas and wet environments. Its color consistency ensures a seamless finish, while its non-sag properties make it perfect for both wall and floor applications, including large-format tiles. Laticrete Spectralock Grout Part C features an advanced epoxy formula that resists mold, mildew, and staining, offering long-lasting protection and ease of maintenance. It is ideal for use in kitchens, bathrooms, pools, and other areas exposed to heavy moisture or cleaning. Whether you're installing tiles in a commercial or residential setting, Laticrete Spectralock Grout Part C provides the ultimate combination of performance and aesthetics.

Parfait. Stephane. Sat Oct 18 2025

PERMACOLOR® Grout is a high-performance, fast-setting polymer-fortified grout that provides a tile grout joint that is dense and hard. PERMACOLOR Grout is color-consistent and features built-in Microban® antimicrobial protection to keep the grout surface looking newer for longer. High-performance grout with Water Dispersion Technology™ for enhanced strength, stain resistance, and lasting results.

PERMACOLOR® Grout is a high-performance, fast-setting polymer-fortified grout that provides a tile grout joint that is dense and hard. PERMACOLOR Grout is color-consistent and features built-in Microban® antimicrobial protection to keep the grout surface looking newer for longer. High-performance grout with Water Dispersion Technology™ for enhanced strength, stain resistance, and lasting results.

Anonymous. Thu Jul 02 2026

1500 Sanded Grout is formulated from a blend of high strength portland cement, graded aggregates, polymers and color-fast pigments and provides a grout joint that is dense, hard and durable. For grout joint widths of 1/16" (1.5 mm) up to 3/8" (9 mm). 1500 Sanded Grout is a premium, factory prepared grout designed to be mixed with water. 1500 Sanded Grout is formulated from a blend of high strength portland cement, graded aggregates, polymers and color-fast pigments and provides a grout joint that is dense, hard and durable.

Hydroment vivid is a rapid curing, premium grade, stain resistant cementitious grout developed with the scientific breakthroughs of bostik’s hydrix and color suspension technologies for demanding commercial and residential projects. It offers consistent color technology with enhanced stain and efflorescence protection.

1500 Sanded Grout is formulated from a blend of high strength portland cement, graded aggregates, polymers and color-fast pigments and provides a grout joint that is dense, hard and durable. For grout joint widths of 1/16" (1.5 mm) up to 3/8" (9 mm). 1500 Sanded Grout is a premium, factory prepared grout designed to be mixed with water. 1500 Sanded Grout is formulated from a blend of high strength portland cement, graded aggregates, polymers and color-fast pigments and provides a grout joint that is dense, hard and durable.

Permacolor® is an advanced high-performance cement grout that offers the industry’s first dispensable dry pigment solution. Permacolor is designed for virtually all types of residential and commercial installations and offers optimum performance on the most demanding exterior or interior applications. Easy to mix, grout, and clean.

This grout is a very clean, soft, natural color. Easy to keep clean and is a very pretty border for our tile!. Sarah. Decatur, GA. Tue Jul 28 2026

1500 Sanded Grout is formulated from a blend of high strength portland cement, graded aggregates, polymers and color-fast pigments and provides a grout joint that is dense, hard and durable. For grout joint widths of 1/16" (1.5 mm) up to 3/8" (9 mm). 1500 Sanded Grout is a premium, factory prepared grout designed to be mixed with water. 1500 Sanded Grout is formulated from a blend of high strength portland cement, graded aggregates, polymers and color-fast pigments and provides a grout joint that is dense, hard and durable.

1600 Unsanded Grout. A premium, factory prepared, polymer fortified unsanded portland cement grout designed to be mixed with water. Formulated from a blend of high strength portland cement, graded aggregates, polymers and color-fast pigments. Provides a grout joint that is dense, hard and durable.

Hydroment Vivid is a rapid curing, premium grade, stain-resistant cementitious grout developed with the scientific breakthroughs of Bostik’s HyDrix and Color Suspension Technologies for demanding commercial and residential projects. It offers consistent color technology with enhanced stain and efflorescence protection.

Laticrete Spectralock Grout Part C is a high-performance epoxy grout designed for demanding residential and commercial installations. Part of the renowned Laticrete Spectralock Grout Part C system, this grout offers superior strength, durability, and resistance to stains, making it ideal for use in high-traffic areas and wet environments. Its color consistency ensures a seamless finish, while its non-sag properties make it perfect for both wall and floor applications, including large-format tiles. Laticrete Spectralock Grout Part C features an advanced epoxy formula that resists mold, mildew, and staining, offering long-lasting protection and ease of maintenance. It is ideal for use in kitchens, bathrooms, pools, and other areas exposed to heavy moisture or cleaning. Whether you're installing tiles in a commercial or residential setting, Laticrete Spectralock Grout Part C provides the ultimate combination of performance and aesthetics.

Laticrete Spectralock Grout Part C is a high-performance epoxy grout designed for demanding residential and commercial installations. Part of the renowned Laticrete Spectralock Grout Part C system, this grout offers superior strength, durability, and resistance to stains, making it ideal for use in high-traffic areas and wet environments. Its color consistency ensures a seamless finish, while its non-sag properties make it perfect for both wall and floor applications, including large-format tiles. Laticrete Spectralock Grout Part C features an advanced epoxy formula that resists mold, mildew, and staining, offering long-lasting protection and ease of maintenance. It is ideal for use in kitchens, bathrooms, pools, and other areas exposed to heavy moisture or cleaning. Whether you're installing tiles in a commercial or residential setting, Laticrete Spectralock Grout Part C provides the ultimate combination of performance and aesthetics.

PERMACOLOR® Grout is a high-performance, fast-setting polymer-fortified grout that provides a tile grout joint that is dense and hard. PERMACOLOR Grout is color-consistent and features built-in Microban® antimicrobial protection to keep the grout surface looking newer for longer. High-performance grout with Water Dispersion Technology™ for enhanced strength, stain resistance, and lasting results.

It ARRIVED A DAY LATE FROM SAID DAY OF DELIVERY, I NEEDED IT THE DAY BEFORE BUT I WAS ABLE TO GET THE JOB DONE, THE BAGS ARE WAY SMALLER THAN YOU THINK IT WOULD BE SO IF YOUR DOING A JOB DEFINITELY ORDER 1-2 BAGS EXTRA, I ORDER 1 BAG EXTRA AND I NEEDED IT TO FINISH THE JOB OTHERWISE ITS A GOOD PRODUCT, I HAD TO MATCH EXISTING PATIO SO I HAD TO USE THE SAME GROUT OTHERWISE I USE POWER-GROUT NOT CHEAP BUT IT LOOKS GREAT AND WILL LAST A LIFETIME IF DONE CORRECTLY,I GIVE 4 STARS FOR THE ONE DAY DELAY. George. Shirley, NY. Sun Jun 14 2026

Laticrete Spectralock Grout Part C is a high-performance epoxy grout designed for demanding residential and commercial installations. Part of the renowned Laticrete Spectralock Grout Part C system, this grout offers superior strength, durability, and resistance to stains, making it ideal for use in high-traffic areas and wet environments. Its color consistency ensures a seamless finish, while its non-sag properties make it perfect for both wall and floor applications, including large-format tiles. Laticrete Spectralock Grout Part C features an advanced epoxy formula that resists mold, mildew, and staining, offering long-lasting protection and ease of maintenance. It is ideal for use in kitchens, bathrooms, pools, and other areas exposed to heavy moisture or cleaning. Whether you're installing tiles in a commercial or residential setting, Laticrete Spectralock Grout Part C provides the ultimate combination of performance and aesthetics.

Laticrete Spectralock Grout Part C is a high-performance epoxy grout designed for demanding residential and commercial installations. Part of the renowned Laticrete Spectralock Grout Part C system, this grout offers superior strength, durability, and resistance to stains, making it ideal for use in high-traffic areas and wet environments. Its color consistency ensures a seamless finish, while its non-sag properties make it perfect for both wall and floor applications, including large-format tiles. Laticrete Spectralock Grout Part C features an advanced epoxy formula that resists mold, mildew, and staining, offering long-lasting protection and ease of maintenance. It is ideal for use in kitchens, bathrooms, pools, and other areas exposed to heavy moisture or cleaning. Whether you're installing tiles in a commercial or residential setting, Laticrete Spectralock Grout Part C provides the ultimate combination of performance and aesthetics.

PERMACOLOR® Grout is a high-performance, fast-setting polymer-fortified grout that provides a tile grout joint that is dense and hard. PERMACOLOR Grout is color-consistent and features built-in Microban® antimicrobial protection to keep the grout surface looking newer for longer. High-performance grout with Water Dispersion Technology™ for enhanced strength, stain resistance, and lasting results.

Kate. Thu May 14 2026

PERMACOLOR® Grout is a high-performance, fast-setting polymer-fortified grout that provides a tile grout joint that is dense and hard. PERMACOLOR Grout is color-consistent and features built-in Microban® antimicrobial protection to keep the grout surface looking newer for longer. High-performance grout with Water Dispersion Technology™ for enhanced strength, stain resistance, and lasting results.

PERMACOLOR® Grout is a high-performance, fast-setting polymer-fortified grout that provides a tile grout joint that is dense and hard. PERMACOLOR Grout is color-consistent and features built-in Microban® antimicrobial protection to keep the grout surface looking newer for longer. High-performance grout with Water Dispersion Technology™ for enhanced strength, stain resistance, and lasting results.

PERMACOLOR® Grout is a high-performance, fast-setting polymer-fortified grout that provides a tile grout joint that is dense and hard. PERMACOLOR Grout is color-consistent and features built-in Microban® antimicrobial protection to keep the grout surface looking newer for longer. High-performance grout with Water Dispersion Technology™ for enhanced strength, stain resistance, and lasting results.

Jesus. Sat Nov 08 2025

Laticrete Spectralock Grout Part C is a high-performance epoxy grout designed for demanding residential and commercial installations. Part of the renowned Laticrete Spectralock Grout Part C system, this grout offers superior strength, durability, and resistance to stains, making it ideal for use in high-traffic areas and wet environments. Its color consistency ensures a seamless finish, while its non-sag properties make it perfect for both wall and floor applications, including large-format tiles. Laticrete Spectralock Grout Part C features an advanced epoxy formula that resists mold, mildew, and staining, offering long-lasting protection and ease of maintenance. It is ideal for use in kitchens, bathrooms, pools, and other areas exposed to heavy moisture or cleaning. Whether you're installing tiles in a commercial or residential setting, Laticrete Spectralock Grout Part C provides the ultimate combination of performance and aesthetics.

Laticrete Spectralock Grout Part C is a high-performance epoxy grout designed for demanding residential and commercial installations. Part of the renowned Laticrete Spectralock Grout Part C system, this grout offers superior strength, durability, and resistance to stains, making it ideal for use in high-traffic areas and wet environments. Its color consistency ensures a seamless finish, while its non-sag properties make it perfect for both wall and floor applications, including large-format tiles. Laticrete Spectralock Grout Part C features an advanced epoxy formula that resists mold, mildew, and staining, offering long-lasting protection and ease of maintenance. It is ideal for use in kitchens, bathrooms, pools, and other areas exposed to heavy moisture or cleaning. Whether you're installing tiles in a commercial or residential setting, Laticrete Spectralock Grout Part C provides the ultimate combination of performance and aesthetics.

I need the tile in order to use it. Anonymous. Sun Sep 20 2026

1500 Sanded Grout is formulated from a blend of high strength portland cement, graded aggregates, polymers and color-fast pigments and provides a grout joint that is dense, hard and durable. For grout joint widths of 1/16" (1.5 mm) up to 3/8" (9 mm). 1500 Sanded Grout is a premium, factory prepared grout designed to be mixed with water. 1500 Sanded Grout is formulated from a blend of high strength portland cement, graded aggregates, polymers and color-fast pigments and provides a grout joint that is dense, hard and durable.

Laticrete Spectralock Grout Part C is a high-performance epoxy grout designed for demanding residential and commercial installations. Part of the renowned Laticrete Spectralock Grout Part C system, this grout offers superior strength, durability, and resistance to stains, making it ideal for use in high-traffic areas and wet environments. Its color consistency ensures a seamless finish, while its non-sag properties make it perfect for both wall and floor applications, including large-format tiles. Laticrete Spectralock Grout Part C features an advanced epoxy formula that resists mold, mildew, and staining, offering long-lasting protection and ease of maintenance. It is ideal for use in kitchens, bathrooms, pools, and other areas exposed to heavy moisture or cleaning. Whether you're installing tiles in a commercial or residential setting, Laticrete Spectralock Grout Part C provides the ultimate combination of performance and aesthetics.

This is incredible and long lasting. Won't capture stains from water, whoohoo!. Jeneille. Moscow, ID. Thu Oct 09 2025

PERMACOLOR® Grout is a high-performance, fast-setting polymer-fortified grout that provides a tile grout joint that is dense and hard. PERMACOLOR Grout is color-consistent and features built-in Microban® antimicrobial protection to keep the grout surface looking newer for longer. High-performance grout with Water Dispersion Technology™ for enhanced strength, stain resistance, and lasting results.

Color: AUTUMN GREEN Never before has a pre-mixed grout offered the superior strength and performance of an epoxy grout, now found in SPECTRALOCK® 1! This patented, professional grade grout offers all the benefits of SPECTRALOCK® epoxy grout without the hassle of mixing. It provides exceptional durability, extreme versatility, and excellent color consistency – even grouting in the most demanding applications. Providing exceptional versatility and excellent color consistency, SPECTRALOCK 1 is stainproof^ and available in a wide variety of colors to match any design. It exceeds ANSI A118.19 as well as meets or exceeds ANSI A118.3* specific test designation 5.6, of which no comparable product on the market can claim. No other grout currently offers the strength, quality and application opportunities in a true, pre-mixed grout.

Alyssa. Frisco, TX. Wed Feb 18 2026

PERMACOLOR® Grout is a high-performance, fast-setting polymer-fortified grout that provides a tile grout joint that is dense and hard. PERMACOLOR Grout is color-consistent and features built-in Microban® antimicrobial protection to keep the grout surface looking newer for longer. High-performance grout with Water Dispersion Technology™ for enhanced strength, stain resistance, and lasting results.

1500 Sanded Grout is formulated from a blend of high strength portland cement, graded aggregates, polymers and color-fast pigments and provides a grout joint that is dense, hard and durable. For grout joint widths of 1/16" (1.5 mm) up to 3/8" (9 mm). 1500 Sanded Grout is a premium, factory prepared grout designed to be mixed with water. 1500 Sanded Grout is formulated from a blend of high strength portland cement, graded aggregates, polymers and color-fast pigments and provides a grout joint that is dense, hard and durable.

PERMACOLOR® Grout is a high-performance, fast-setting polymer-fortified grout that provides a tile grout joint that is dense and hard. PERMACOLOR Grout is color-consistent and features built-in Microban® antimicrobial protection to keep the grout surface looking newer for longer. High-performance grout with Water Dispersion Technology™ for enhanced strength, stain resistance, and lasting results.

Quality product and color of this grout goes perfectly with the tile we ordered. This company offers a wide selection of colors which is so important with so many different tile colors and decorating styles for customers.. Steve. Prescott, AZ. Wed Apr 01 2026

PERMACOLOR® Grout is a high-performance, fast-setting polymer-fortified grout that provides a tile grout joint that is dense and hard. PERMACOLOR Grout is color-consistent and features built-in Microban® antimicrobial protection to keep the grout surface looking newer for longer. High-performance grout with Water Dispersion Technology™ for enhanced strength, stain resistance, and lasting results.

As advertised. This is a fantastic color and goes great with my white penny tile.. Anonymous. Mon Dec 01 2025

PERMACOLOR® Grout is a high-performance, fast-setting polymer-fortified grout that provides a tile grout joint that is dense and hard. PERMACOLOR Grout is color-consistent and features built-in Microban® antimicrobial protection to keep the grout surface looking newer for longer. High-performance grout with Water Dispersion Technology™ for enhanced strength, stain resistance, and lasting results.

Laticrete Spectralock Grout Part C is a high-performance epoxy grout designed for demanding residential and commercial installations. Part of the renowned Laticrete Spectralock Grout Part C system, this grout offers superior strength, durability, and resistance to stains, making it ideal for use in high-traffic areas and wet environments. Its color consistency ensures a seamless finish, while its non-sag properties make it perfect for both wall and floor applications, including large-format tiles. Laticrete Spectralock Grout Part C features an advanced epoxy formula that resists mold, mildew, and staining, offering long-lasting protection and ease of maintenance. It is ideal for use in kitchens, bathrooms, pools, and other areas exposed to heavy moisture or cleaning. Whether you're installing tiles in a commercial or residential setting, Laticrete Spectralock Grout Part C provides the ultimate combination of performance and aesthetics.

Love this epoxy grout (this review is just for the color powder). Its a perfect light grey that worked well with our light taupe/beigey tiles. I'd recommend!. Morgan. Mon Sep 29 2025

Laticrete Spectralock Grout Part C is a high-performance epoxy grout designed for demanding residential and commercial installations. Part of the renowned Laticrete Spectralock Grout Part C system, this grout offers superior strength, durability, and resistance to stains, making it ideal for use in high-traffic areas and wet environments. Its color consistency ensures a seamless finish, while its non-sag properties make it perfect for both wall and floor applications, including large-format tiles. Laticrete Spectralock Grout Part C features an advanced epoxy formula that resists mold, mildew, and staining, offering long-lasting protection and ease of maintenance. It is ideal for use in kitchens, bathrooms, pools, and other areas exposed to heavy moisture or cleaning. Whether you're installing tiles in a commercial or residential setting, Laticrete Spectralock Grout Part C provides the ultimate combination of performance and aesthetics.

1500 Sanded Grout is formulated from a blend of high strength portland cement, graded aggregates, polymers and color-fast pigments and provides a grout joint that is dense, hard and durable. For grout joint widths of 1/16" (1.5 mm) up to 3/8" (9 mm). 1500 Sanded Grout is a premium, factory prepared grout designed to be mixed with water. 1500 Sanded Grout is formulated from a blend of high strength portland cement, graded aggregates, polymers and color-fast pigments and provides a grout joint that is dense, hard and durable.

TruColor RapidCure is a patented, water-based, premium grout offering the ultimate in color accuracy, water resistance, stain protection and crack protection. This breakthrough formulation installs up to 50 percent faster than traditional grouts, and never needs to be sealed. Its perfect balance of flexibility and toughness enables it to exhibit unmatched performance.

first order was lost.....second got here a day behind schedule. Sherrie. Newport, NC. Wed Feb 12 2025

PERMACOLOR® Grout is a high-performance, fast-setting polymer-fortified grout that provides a tile grout joint that is dense and hard. PERMACOLOR Grout is color-consistent and features built-in Microban® antimicrobial protection to keep the grout surface looking newer for longer. High-performance grout with Water Dispersion Technology™ for enhanced strength, stain resistance, and lasting results.

PERMACOLOR® Grout is a high-performance, fast-setting polymer-fortified grout that provides a tile grout joint that is dense and hard. PERMACOLOR Grout is color-consistent and features built-in Microban® antimicrobial protection to keep the grout surface looking newer for longer. High-performance grout with Water Dispersion Technology™ for enhanced strength, stain resistance, and lasting results.

PERMACOLOR® Grout is a high-performance, fast-setting polymer-fortified grout that provides a tile grout joint that is dense and hard. PERMACOLOR Grout is color-consistent and features built-in Microban® antimicrobial protection to keep the grout surface looking newer for longer. High-performance grout with Water Dispersion Technology™ for enhanced strength, stain resistance, and lasting results.

1500 Sanded Grout is formulated from a blend of high strength portland cement, graded aggregates, polymers and color-fast pigments and provides a grout joint that is dense, hard and durable. For grout joint widths of 1/16" (1.5 mm) up to 3/8" (9 mm). 1500 Sanded Grout is a premium, factory prepared grout designed to be mixed with water. 1500 Sanded Grout is formulated from a blend of high strength portland cement, graded aggregates, polymers and color-fast pigments and provides a grout joint that is dense, hard and durable.

PERMACOLOR® Grout is a high-performance, fast-setting polymer-fortified grout that provides a tile grout joint that is dense and hard. PERMACOLOR Grout is color-consistent and features built-in Microban® antimicrobial protection to keep the grout surface looking newer for longer. High-performance grout with Water Dispersion Technology™ for enhanced strength, stain resistance, and lasting results.

PERMACOLOR® Grout is a high-performance, fast-setting polymer-fortified grout that provides a tile grout joint that is dense and hard. PERMACOLOR Grout is color-consistent and features built-in Microban® antimicrobial protection to keep the grout surface looking newer for longer. High-performance grout with Water Dispersion Technology™ for enhanced strength, stain resistance, and lasting results.

PERMACOLOR® Grout is a high-performance, fast-setting polymer-fortified grout that provides a tile grout joint that is dense and hard. PERMACOLOR Grout is color-consistent and features built-in Microban® antimicrobial protection to keep the grout surface looking newer for longer. High-performance grout with Water Dispersion Technology™ for enhanced strength, stain resistance, and lasting results.

1500 Sanded Grout is formulated from a blend of high strength portland cement, graded aggregates, polymers and color-fast pigments and provides a grout joint that is dense, hard and durable. For grout joint widths of 1/16" (1.5 mm) up to 3/8" (9 mm). 1500 Sanded Grout is a premium, factory prepared grout designed to be mixed with water. 1500 Sanded Grout is formulated from a blend of high strength portland cement, graded aggregates, polymers and color-fast pigments and provides a grout joint that is dense, hard and durable.