What is Type 1 granite?

Author: Green Thompson  |  Last update: Thursday, September 18, 2025

Type 1 is a granular, well-graded material sized from 63mm to dust, but with most of the material sized at 31.5mm to dust. Available both as a limestone or a granite, Type 1 SHW Clause 803 (formerly MOT Type 1) is widely used as a sub-base in the construction of roads, car parks and pathways.

What does level 1 granite mean?

Level 1 granite, often referred to as entry-level or commercial grade, is the most budget-friendly option. Typically sourced from China and prefabricated, Level 1 granite slabs are thinner, around ⅜ inch, and require plywood backing to enhance durability.

Will water drain through type 1?

However, a small disadvantage to using MOT Type 1 is that it is technically not a permeable sub-base material, meaning that little water will pass through and, if any does, it will filter through at a much slower rate. Granite or limestone provide an incredibly fast-draining sub-base.

Is Type 1 granite or limestone?

Type 1 MOT is commonly used to replace limestone and granite since each of these aggregates have a limited availability and can be expensive to quarry and transport. Type 1 MOT crushed concrete can serve the same functions as many other crushed stone aggregate, but at a more reasonable cost.

What is the difference between S type and I type granite?

I-type granites are rich in silica, calcium and sodium but contain lesser amounts of aluminium and potassium when compared to S-type granites. I-type granites are typically metaluminous to weakly peraluminous.

Granite Countertops: Different Types & Grades

What is the difference between type1 and type 2 stone?

Type 2 is a finer grade of sub base material than Type 1, and is typically used in applications where a more substantial base layer is required. Type 2 consists of aggregate that is crushed and screened typically to 63mm down to dust.

What is the most common type of granite?

The most popular types of granite countertops used for kitchen countertops are Alaska White Granite, Black Pearl Leather Granite, Blue Pearl Granite, and White Ice Granite.

What is Type 1 material class?

Type 1 aggregate, also known as "DTp1" or "DTp Type 1," is a granular material that is typically made from crushed rock, such as limestone, granite, or gritstone. It is typically used in road construction and other transport infrastructure, also serving as a sturdy sub-base layer for building foundations.

What type of granite is rare?

Blue Bahia Granite is a rare and exotic stone that is quarried in Brazil. This stunning stone features a deep blue color with white and gold veining throughout. The stone's vibrant color comes from the presence of rare minerals, including sodalite and pyrite.

How do I calculate how much type 1 I need?

To calculate how much Type 1 you need for your whole driveway follow these steps:
  1. Measure the length and width of your driveway area.
  2. Work out how many square metres you need to cover.
  3. Multiply that number by 250kg.

Can you lay type 1 in the rain?

Light rain and drizzle don't present much problem, but heavy downpours are another matter. Here are some of the things that need thinking about: It is very important to get the paving base (MOT type 1) down as quickly as possible in wet weather, otherwise the exposed mud can quickly become waterlogged.

What rock is type 1?

MOT Type 1 or Type 1 MOT is a popular type of sub-base used for highways, driveways, car parks and footpaths. This sub-base consists of limestone, gritstone or basalt and granite crushed to 40mm down to dust to create small particles easy to compact.

What is the cheapest type of granite?

Also known as “entry-level granite” or “commercial grade”, level 1 granite is the most affordable option. It typically showcases simpler patterns and a limited range of colors.

How much is grade 1 granite?

Granite is graded on a scale of 1 to 7, and level 1 granite can cost twice as much per square feet as level 7 granite. “While Level 1 granite costs around $40 to $50 per square foot, you can expect to pay $75 to $100 per square foot for Level 5,” she says.

What color granite is most expensive?

The rarest, most expensive, premium-grade, valuable natural granite colors are blues, followed by blacks, greys, and reds. Typically, these natural granite colors are found in only one mine and appear in tiny quantities.

What is the lowest grade granite?

Level 1 granite, or “entry-level” granite, is the lowest grade of granite. We also sometimes call it “builder-grade” or “commercial-grade”. This lower level of granite usually goes through a pre-fabrication process, meaning it's fabricated prior to a known usage.

Is granite no longer in style?

Now, after several years of declining use, the day has come: another surface has officially surpassed granite in terms of popularity. Any guesses as to what the new countertop du jour might be? It's quartz, otherwise known as engineered stone.

What looks like granite but is less expensive?

While quartz countertop prices are similar to granite, quartz will likely cost less down the line, as it does not require sealing or much regular upkeep. Quartz offers high durability, a non-porous nature, a wide variety of colors and designs, and ease of customization.

What is type 1 stone used for?

Type 1 is a granular, well-graded material sized from 63mm to dust, but with most of the material sized at 31.5mm to dust. Available both as a limestone or a granite, Type 1 SHW Clause 803 (formerly MOT Type 1) is widely used as a sub-base in the construction of roads, car parks and pathways.

What is a Type 1 surface?

MOT Type 1 is a crushed aggregate material used to provide a stable sub-base for road surfaces and pathways. Both primary and recycled material can be used to produce a Type 1 sub-base.

What is a material class 1?

The substance used to make something is called a material. A school desk, for example, may be made from wood, plastic, or metal—or a mixture of all three materials.

How can you tell if granite is high quality?

Quality granite can be identified by being about an inch thick, free of cracks and blemishes, having a beautiful pattern, and having low porosity.

What color granite never goes out of style?

Classic Appeal:

White granite countertops are a classic choice that never goes out of style.

Is granite cheaper than quartz?

Which is more expensive, quartz or granite? Both quartz and granite maintain their value for many years to come, and the materials cost approximately the same, with quartz being slightly less expensive. However, luxurious quartz products can be as expensive as granite slabs.

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