FIRMFIT Frequently Asked Questions


FIRMFIT is the strongest waterproof floor. We back this claim by warranting an incredible performance in tougher areas or situations where most glue-less flooring products would not be warranted (heat conditions, sunrooms, wide areas without unsightly transitions, humid rooms like bathrooms or kitchens, pet stains and much more).

What makes FIRMFIT so effective?
Two aspects make FIRMFIT‘s core very different from LVT or WPC (two of the more common hard-surface glue-less flooring categories):

  • It contains 0% plasticizers, which are chemical additives which make PVC soft and flexible
  • Its limestone-based

The combination of these two features makes it rigid and much more stable to temperature variations, as well as sunlight.
The pre-attached backing options (such as cork or a sound absorbing pad) can offer extra noise resistance attributes versus traditional laminates or click vinyl planks.

At high temperatures (above 105°F/40°C), PVC like most plastic based materials become much more flexible and start expanding (like when you put a piece of plastic over a lighter, it melts). Because of their high plasticizer and PVC content, standard vinyl or engineered vinyl planks start expanding and aren’t rigid enough to resist to the force created by the expansion. The planks cannot push each other away and can start to curl as expansion increases.

FIRMFIT, thanks to its limestone-based core, is not only rigid, but also extremely dimensionally stable. If certain areas reach such high temperatures (which they rarely do) FIRMFIT can naturally expand a little, and will the planks will push each other and expand well within our recommended expansion gap of 1/4″ (6mm). This is why the recommended 1/4″ (6mm) around the perimeters of the room needs to be respected.

FIRMFIT flooring features a natural embossed and embossed in register synchronized surface, which mimics the grain of real wood, as well as stone.

Rarely do we see indentation issues with FIRMFIT, as the floor features an extremely dense, solid core. Most indentations can be avoided by ensuring there are no heavy rolling loads over the floor, and using traditional installation methods when moving heavy items (e.g. use a smooth plywood panel when rolling in refrigerators, etc.). Also common-sense use of floor protectors under furniture legs, mats under rolling chairs, etc. are also recommended.

While no similar flooring is guaranteed against scratching or loss of gloss, FIRMFIT is textured with a medium graining and a tough wear layer for durability. We warrant that FIRMFIT will not stain from pet (domestic cat or dog) stains, including urine, feces and vomit, providing it is cleaned within 24 hours!

We ensure that FIRMFIT is safe for you and your loved ones. All FIRMFIT floors are subjected to rigorous tests by Third Party Laboratories that are designed to ensure all FIRMFIT products meet the highest standards and do not harm interior air quality. This means our products do not release harmful VOCs (Volatile Organic Compounds) into living environments. FIRMFIT is also 100% free of harmful plasticizers, such as ortho-phthalates.

These rigorous control has resulted in the The Greenguard Environmental Institute to certify all FIRMFIT floors worldwide with their highest certification: GREENGUARD Gold.

GREENGUARD Gold Certification offers the strictest certification criteria, considering safety factors to account for sensitive individuals (such as children and the elderly), and ensures that a product is acceptable for use in environments such as schools and healthcare facilities. It is referenced by both The Collaborative for High Performance Schools (CHPS) and the Leadership in Energy and Environmental Design (LEED) Building Rating System.

FIRMFIT is extremely stable – the floor is not affected by humidity or moisture.

Yes, FIRMFIT Sound Insulation Class is very good with an IIC rating of 66dB (ASTM E492-09, 4mm product with NO pre-attached backing). Walking sound is a lot softer and quieter compared with most hard surface floor coverings such as ceramic, wood or laminate flooring.

FIRMFIT floors can be used in homes where wheel chairs are needed, but FIRMFIT should NOT be applied to ramps. We recommend that you glue-down the joints when motorized chairs will be used.

A pre-attached backing will provide a natural sound barrier and extra joint support for extra noise resistance attributes versus traditional laminates or click vinyl planks.

Yes, the entire plank, including the backing, is 100% waterproof, whether cork or padding.

After detaching the backing, FIRMFIT can be 100% recycled by a company with adequate equipment including flooring manufacturers.

Yes, FIRMFIT can be installed directly over most existing hard surface flooring. The exceptions are laminate, floating floors (not glued-down) of any type, loose lay, and perimeter fastened sheet vinyl. These types of flooring should be removed prior to installing FIRMFIT. You can also install over tiles, as long as it is not a floating installation. The existing floors still have to meet the level requirements, which is no more than a 3/16” (5mm) difference in a 10 foot (3m) span. Please see FIRMFIT installation instructions for further details.

Important: Never install FIRMFIT flooring over carpet.


FIRMFIT can be installed on all levels of the home including wet rooms and directly over most existing hard surface subfloors.

Very few: a room with a floor drain, sump pump or one that is exposed to the elements (like outdoors or in saunas). Although is it 100% waterproof, FIRMFIT should also not be installed in areas prone to flooding as water might sip through the bevels.

FIRMFIT can be installed in homes without climate control when proper installation precautions are taken and under the following conditions:

  1. FIRMFIT installation requirements must be met.
  2. The crawl spaces must be enclosed and vented and meet all requirements and the job site conditions must be correct.
  3. Insulation of the floor in the crawl space is recommended.
  4. Temperatures must stay above 0˚F (-15°C) and below 140˚F (60°C).

Yes, FIRMFIT™ is compatible with floor heating systems. You should ensure the radiant heat surface temperature doesn’t exceed 85°F (30°C).

FIRMFIT installation allows up to 80ft (25m), in either direction, or over an area of 6400ft² (620m²) with no unsightly transition moldings needed as long as the flooring can freely move. Make sure to respect the 1/4″ (6mm) expansion space around the perimeters of the room.

As long as you are within the limit that does not require transition strips, unsightly door transitions are fortunately not required either! FIRMFIT installation allows up to 80ft (25m) in either direction, or over an area of 6400ft² (620m²) with no transition moldings needed. Make sure to respect the 1/4″ (6mm) expansion space around the perimeters of the room.

Although FIRMFIT, thanks to it rigidity, hides minor subfloor imperfections, the subfloor must be clean and level to 3/16” (5mm) within a 10 foot (3m) span.

For installation over existing tile, you would need a self-leveling compound to fill in low grouted joint areas.

When installing FIRMFIT, underlayment is not required because FIRMFIT Sound Insulation Class is already very good with an IIC rating of 66dB (ASTM E492-09). However, some FIRMFIT collections come with a hypoallergenic cork underlay or a sound absorbing pad, which provides a natural sound barrier and extra joint support.

Moisture barrier is recommended; however, it is not required. Although this floor is waterproof, it is not aimed to be used as a moisture barrier. The subfloor must be dry (max 2.5% moisture content – CM method). This product is also not to be installed in areas that have a risk of flooding, such as saunas or outdoor areas.

If you wish to glue down the flooring to a concrete subfloor, it is recommended to measure the pH level of the concrete prior to installation. A too high alkalinity may cause damage to the adhesives and primers. The ideal condition for most flooring adhesives is an alkalinity-pH level of 9.0pH or less than 9.0pH, at the surface of the concrete BEFORE you install the floor. The exact pH level required is to be determined by the adhesive manufacturer.

Depending on the project, you can allow the toilet to be placed directly on top of FIRMFIT. Otherwise, you could trim/cut it tight to the toilet as well. For caulking, please use a silicone caulk.

FIRMFIT is extremely stable to temperature variations and it is in general not necessary to acclimate, unlike standard laminate or LVT which usually requires to leave your floor in open boxes 24 to 48h in the room you will install before installation.

Do not install your kitchen cabinets directly over your FIRMFIT floor. FIRMFIT quality can be guaranteed as long as the floor can move freely.

Yes, you can. For wall and ceiling installation the planks need to be fully glued down on the substrate. Many designer use FIRMFIT for partial wall installation because of the unique and highly realistic color available in the FIRMFIT selection. Note: the FIRMFIT warranty do not cover wall installation.


Yes. We recommend non-staining vinyl-backed mats or woven rugs. We do not recommend the use of rubber- or latex-backed mats because the chemical (antioxidant) used to keep the backing from becoming brittle can permanently stain your floor.

The planks themselves are waterproof, but once installed they do not provide a fully airtight surface. Water can still sip through the bevels if left over 24 hours. Water spillage as is the case in bathrooms and kitchens won’t damage the floor but standing water must be avoided at all times. We recommend cleaning up water spillage as soon as possible, before 24 hours pass.

No, it resists staining, is easy to clean and requires no waxing. Waxing is not compatible with this product and using wax will void warranty.

We recommend ensuring that your initial flooring purchase includes several extra FIRMFIT planks in case you have one that needs replacement. Follow these steps to remove and replace a damaged plank:

  • Use a circular saw to make several cuts in the board to be removed. Make sure to use the correct depth of the saw blade and protect the surrounding planks.
  • Use a chisel to carefully break and remove the part of the plank to be removed. Clean all the debris and dust
  • Cut off the groove on the long side and short side of the new plank to be installed.
  • Apply one beam of adhesive on the long side and short side tongue of the existing planks that will receive the new planks.
  • Carefully place the new planks in position and remove the excess of glue immediately with a damp cloth.

Support furniture with wide-bearing, non-staining floor protectors. Ideally, the protectors should be at least one inch in diameter, made of non-pigmented, hard plastic and rest flat on the floor. Non-staining felt protectors are also acceptable. Casters with a minimum 3/4″ flat surface width or floor protectors are recommended for all movable furniture. Make sure any metal protectors are rustproof. Replace your narrow-dome furniture rests with wide-bearing ones.

For chocolate, grease, juice and wine stains, use lukewarm water and a non-abrasive cleaner. Nail polish, tar, markers, crayon, lipstick, ink and cigarette burns can be removed using nail polish remover or denatured alcohol.

The use of residential steam mops on this product is allowed. Use at lowest power with a suitable so pad, and do not hold a steam mop on one spot for an extended period of time (longer than 5 minutes). Refer to the steam mop’s manufacturer instructions for proper usage.

Yes, we recommend that FIRMFIT is promptly uninstalled, sorted separately, and placed in a dry environment. Please allow 48-72 hours to dry. Once both your subfloor and FIRMFIT panels have dried completely you may reinstall.

If you feel that you have a warranty related problem, you should take your original purchase receipt, back to the us and file a warranty claim. We will then contact to FIRMFIT to begin the warranty process. An inspector may come to your home to evaluate the conditions and determine what caused the problem. Once an evaluation is complete you will be contacted with the results. The whole process could take up to 20-30 business days, depending on the circumstances, although most issues are resolved much faster