FAQ

Mercier faq

Mercier Wood Flooring has gathered together the most frequently asked questions asked by its customers. Perhaps you’ll find the responses to yours here. So take a look at this section and above all, don’t hesitate to contact the Mercier team if you don’t find all the answers to your questions.

PRODUCTS

What distinguishes the Mercier Generations finish from the Pure Expression oil finish?

Basically, these two UV-ray protected finishes successfully obtained Greenguard certification. Nevertheless, their composition remains very different. The Mercier Generations finish is made of soy-oil (approximately 25% of its composition) and contains layers of aluminum oxide which make it even more resistant. This finish is guaranteed for 35 years. Pure Expression has a finish comprising natural flax and soy oils (100% of its composition) as well as abrasion-resistant UV resins. This finish, which is guaranteed for 10 years, is one of the best on the market in its category.

Do Mercier products contain volatile organic compounds (VOCs)?

Mercier products contain no measurable volatile compounds, emit no formaldehyde discharge and are anti-allergenic. Certified Greenguard Gold, these healthy and environmentally friendly products can be used with complete peace of mind. (Reference: Web site technical data sheet)

Why choose an engineered floor rather than a solid wooden floor?

  • For installation over an in-floor heating system (radiant)
  • For installation in the basement
  • For the versatility of its installation (floating, nailed or glued installation)
  • For dual-adhesive installation with soundproofing membrane (wooden or cement subfloor) or glued directly to the subfloor. (Reference: Installation Guide)

INSTALLATION

Prior to installation, what are the minimum requirements for the subfloor

  • Mercier Wood Flooring recommends the use of plywood or a large ¾ inch oriented strand board (OSB) panel at a maximum distance of 19.2 inches between the floor joists. Using particle board is ineffective. For any other type of subfloor, contact Mercier Wood Flooring for approval.
  • Plywood humidity must be below 12%. The gap between the ¾ solid wood panel and the subfloor must not exceed 4%. However, this difference must not exceed 2% if the width of the boards is greater than 3 ¼ inches.
  • The subfloor (concrete slab or other) must not present an elevation gain of more than 3/16 inch over a distance of 10 feet. (Reference: Installation Guide)

Associated problems: floor formwork, noisy floor.

Is it important to acclimatize the wood?

  • The ¾-inch solid wood must be acclimatized at least 72 hours prior to installation, in a controlled environment (ambient humidity between 40% and 55% and temperature between 20-22 ° C). Acclimatizing the wood is used to prepare for the changing seasons, since humidity fluctuates significantly from one season to the other and from one place to another, which is detrimental to the dimensional stability of the boards.
  • Engineered wood does not have to be acclimatized. (Reference: Installation Guide)

N.B. contrary to popular belief, properly acclimatizing the wood is less a matter of time than a matter of environmental quality.

Associated problems: enlargement of the floor formwork, micro-cracking of the boards or surface cracks, spacing between the boards, noisy floor.

Can I install my flooring slats in the same direction as the joists?

It is not recommended to install the slats in the same direction as the joists because the movement of the latter leads to the emergence of spaces between the slats. When it is impossible to install them perpendicular to the joists, it is advisable to add ½ inch thick plywood onto the subfloor surface taking care to stagger the joints of the two panel thicknesses.

Associated problems: noisy floor when used, floor collapse.

Can I install my solid wood flooring over an in-floor, radiant, heating system?

  • No, an engineered floor is recommended for this type of installation.
  • Glued or dual-adhesive installation is more effective than a floating installation for this type of application.

Are there transition mouldings available with my new Mercier floor?

Yes. You can purchase T-mouldings, quarter round, thresholds and nosing in the same shades as your floor. (Reference: Price List [retailers only], Web site)

MAINTENANCE

How should I maintain my floor to preserve its appearance?

From the outset, it is important that you maintain your floor the right way if you want to preserve its original beauty for as long as possible and to avoid gumming up the surface, making it more difficult to maintain. Ideally, it is recommended to use a hardwood floor cleaning kit as well as effective cleaning products. You can order Mercier cleaning kits from all Mercier retailers.

To protect your investment, it is also strongly recommended to install protective remedies in some places, such as floor rugs. It is also important to cut the claws of domestic animals, mainly dogs, as these can scratch the floor and damage the finish. (Reference: Maintenance Guide)

PREVENTION

To avoid emergence of other problems, maintaining a proper environment is essential. The comfort zone which is ideal for all hardwood is between 40 and 55% humidity and a temperature of about 22 ° C. The environment is largely responsible for any problems with this type of product. Wood is a living material that adapts to its environment. If the environment is too dry, the wood adjusts losing its internal moisture and then deforms. If the environment is too wet, the wood gains moisture and also deforms.

Most problems occur during seasonal changes, mainly when fall gives way to winter, when the heating system is turned on and the air becomes drier. Some devices must sometimes be used over a period of time - more or less extended - to correct too low or too high humidity, such as air conditioning, a humidifier, etc. (Reference: Maintenance Guide)

Associated problems: micro-cracking of boards, dry formwork of engineered boards, and in extreme cases, delamination.

N.B. During extended absences, when there is no human activity in the home or secondary residence (washer, shower or dishwasher in operation, etc.), it’s important to take the necessary steps to maintain a proper environment. It is, therefore, highly recommended that someone you trust carry out regular visits to ensure that minimum environmental considerations are maintained.

DEFINITIONS OF CURRENT PROBLEMS

Moist formwork: Concave deformity of boards due to wood moisture gain. Boards deform individually, which gives the floor a hilly aspect when light is reflected on its surface. Excess moisture can come from either the subfloor or the environment.

Dry formwork: Dry formwork dry is similar to the wet form, but affects only engineered products. Unlike solid wood, engineered wood will undergo concave deformity if hardwood sawing located on the surface experiences moisture loss. In this case, the hardwood lumber dehydrates faster than the substrate on which it is glued.

N.B. Improper storage of wood in a non-controlled environment (house, garage, warehouse, etc.) for long periods can also be the source of the problem.

Micro-cracks: These are fracture lines on the surface of the boards caused by a movement of wood in the process of deforming which is often linked to improper humidity conditions.

Telegraphy: Telegraphy is defined as a compression of the fiber under the cross-ties that affect light reflection. The light reflected on a small surface in another direction gives the visual effect of a bump on the floor surface. This phenomenon occurs primarily where there are cross-ties and is most noticeable on hard and dense wood species in highly lit rooms.

Wood oxidation: This phenomenon is related to the maturing of the floor due to the light to which it is exposed and which causes a slight yellowing of the floor over the years. The more the floor is exposed to UV rays, the more this phenomenon occurs quickly and intensely. Mercier Wood Flooring adds anti-yellowing agents to its finish to slow and reduce this natural phenomenon.

Appearance of white lines in the V joints: on certain species of wood such as oak and ash, paler lines in the V joints may appear. This phenomenon is mainly caused by the light reflection on the V joints under certain lighting conditions. At a certain angle, this phenomenon seems accentuated when light is reflected on the V-joint at a 45 degree angle. Darker colours and wood growth rings are more visible on these species and also give the illusion of a white line in the V joint.

TIPS AND TRICKS

  • Repair kit, marker for oiled wood.
  • Minimize telegraphy (nail, prior adjustment to the nailer).
  • Make the right flooring choice according to expectations, etc.
  • Prior to installation, consult the information documents (without becoming an expert, this allows you to detect any anomaly during or after the floor laying and to ask the right questions).
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