5.5mm SPC Flooring
5.5mm SPC flooring combines waterproof rigid-core construction with a moderate finished-floor profile. Available products may include attached backing, durable wear layers, click-lock installation, EIR texture, and wide or extra-long wood-look planks.
This collection is organized by total thickness, allowing homeowners to compare qualifying 5.5mm products without restricting the search to one brand, color, wear layer, or plank size.
What Is 5.5mm SPC Flooring?
SPC stands for stone-polymer composite. It uses a dense rigid core designed to provide firm underfoot performance and dimensional stability.
The stated 5.5mm thickness may include:
- Protective surface coating
- Transparent wear layer
- Printed wood-look design
- SPC rigid core
- Stabilizing layers
- Attached backing
Confirm the complete construction because manufacturers may divide the total thickness differently between the core and backing.
Browse SPC vinyl plank flooring to compare all available rigid-core thicknesses.
Is 5.5mm SPC Flooring Thick?
A 5.5mm product sits between common 5mm and 6mm rigid-core constructions. It provides a moderate profile without adding as much height as premium 8mm, 10mm, or 12mm floors.
Compare it with:
The best thickness depends on the subfloor, adjoining surfaces, doors, appliances, backing construction, and preferred underfoot character.
Extra-Long 5.5mm SPC Flooring
Some 5.5mm floors use approximately 9x72 planks. These six-foot boards can provide:
- Fewer end joints
- Broad wood-grain presentation
- Strong room-to-room continuity
- Premium plank proportions
- A cleaner look in open interiors
Extra-long boards place greater importance on subfloor flatness and careful handling.
Republic Floor options may also be compared in the Pure SPC Max flooring collection.
Is 5.5mm SPC Waterproof?
Products included in this collection should have verified waterproof plank construction. This can support practical cleanup of ordinary spills, wet footwear, and pet accidents.
Waterproof planks do not waterproof the subfloor, walls, cabinets, or complete installation.
Can 5.5mm SPC Go Over Concrete?
Approved products may be installed over concrete when the slab is:
- Moisture tested
- Flat within the required tolerance
- Clean
- Structurally sound
- Properly patched
- Free from unresolved water intrusion
- Used with specified vapor protection
Attached backing does not automatically replace a required vapor retarder.
Frequently Asked Questions
Is 5.5mm SPC thicker than 5mm SPC?
Yes. The difference is half a millimeter, although construction quality and backing may create more noticeable differences than the measurement alone.
Does 5.5mm include the attached backing?
It may. Check the individual product specification.
Is 5.5mm SPC suitable for kitchens?
Qualifying products may be suitable when installed according to the cabinet, island, appliance, expansion, and subfloor instructions.
Is 5.5mm SPC available in long planks?
Yes. Selected products use approximately 9x72 dimensions.
Should I order samples?
Yes. Review samples flat on the floor under the room’s actual daylight and artificial lighting.
