Archives: FAQs

A&B Grade

The hardwood lumber grading with a minimum of eyes and defects. Although eyes are allowed not more than 2 per board with an average size of 4 cm. In this A-grade, one will find boards with also zero eyes or knots.


Is a mild version of the D-grade. D and C hardwood lumber grading will come most of the time together to give a mild appearance to the D-grade.


In basic, the grading that can be called, rustic. In this grade, one will find heavy eyes, some cracks, sapwood and colour differences that will give this wood that lively look of a castle or cottage style idea.

Wood Grades

Generally speaking, the higher the number of knots, the higher the sap content and the more variety in colour – the lower the grade of timber.

Aluminum Oxide

Is an amphoteric oxide of aluminum, commonly used to finish flooring because of its strength. Second, in hardness to diamond, it serves as a hard protective coating for many hardwoods and bamboo.

AC5 Heavy Commercial

Built for the busiest commercial uses and high–traffic spaces like department stores and government buildings. As a general rule of thumb, the higher the AC Rating, the higher the price. When shopping for laminate flooring there are several factors that need to be taken into consideration in addition to AC Rating such as thickness, finish …

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AC4 General Commercial

Built to withstand every kind of residential use as well as more heavily trafficked commercial spaces that have off-street traffic like offices, cafes, and boutiques.

AC3 Heavy Residential / Moderate Commercial

Built for all kinds of residential use, including high–traffic rooms and even commercial spaces that have light traffic like offices without off-street traffic and hotel rooms.

AC2 General Residential

Built for moderate foot traffic. Suitable in residential spaces that don’t see a tremendous amount of wear and tear like dining rooms or living rooms.

AC (Abrasion Criteria)

It means products have been tested for durability for abrasion, impact resistance. The AC rating assigned after testing specifies the level of stress and the suitable location for the laminate flooring to be installed. These ratings will also tell you if the laminate flooring can be used in residential or commercial areas.

Emission Classification

A term, which is very often used in the product information. E1 means that the formaldehyde emission limit decreed by the law of 0.1 ppm (= 0.12 mg/m3 air) is observed.


Refers to warped and weakened hardwood as a result of conditions such as excessive moisture.

Bi-Lever Reducer

Is a type of moulding used to transition from a hardwood floor to a carpeted room.

Bevelled Edge

Refers to a type of edge available in hardwood flooring. With a distinct and deep “v” shaped groove, the bevelled edge hardwood is commonly used in informal settings. Also used where subflooring imperfections exist, as it helps to conceal them as well as slight differences in plank thicknesses.


Is an acronym used for the American Standard Testing Methods.

STC (Sound Transmission Class)

An STC rating is a measure of a reduction in airborne sound transferring through walls, floors, ceilings, etc. The higher the number, the less the sound is transferred. (e.g. talking, music, etc.)

IIC (Impact Insulation Class)

An IIC rating is a measure of a reduction in impact sound transferring from a floor surface to the room underneath. The higher the number, the less the sound is transferred. (e.g. foot traffic, dropping items on the floor, etc.)

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