140mm High Flexural Strength WPC Deck Flooring Embossed Freeze Thaw Resistant

Product Specification

140mm Freeze-thaw resistant high flexural strength Co-extruded WPC decking

Product Summary

This heavy-duty engineering layout introduces the freeze-thaw resistant, high flexural strength Co-extruded WPC decking built for high-latitude municipal boardwalks, commercial plazas, and public infrastructure exposed to sub-zero freeze cycles and intense loads. Featuring a 360-degree hermetically sealed polymer cap, it cuts off moisture penetration, ensuring zero structural fractures during continuous freezing and thawing. Simultaneously, the core is formulated with a highly crystalline reinforced composite matrix to maximize breaking modulus. This overview directly solves common engineering failures like winter frost-shattering and heavy-foot-traffic sagging, delivering an ultra-stable flooring solution.

About this Product

• Extreme Freeze-Thaw Structural Integrity

• Our premium Co-extruded WPC decking can survive the harshest sub-zero winters. Because the 360-degree cap completely seals the composite core, there is zero space for water absorption or moisture ingress. When the temperature drops below freezing, no internal ice crystals can form, preventing the board from frost-shattering or delaminating. 

• Commercial-Grade High Flexural Strength

• Engineered with a dense, high-performance reinforced core, these boards possess an exceptional high flexural strength profile and modulus of elasticity. It safely supports heavy point loads, public utility maintenance carts, and non-stop public crowds without experiencing permanent sagging, warping, or structural fatigue.

• Uniform Molecular Thermal Resistance

• The co-extruded outer protection layer and the high flexural strength core are extruded simultaneously to ensure homogeneous physical performance. The entire profile expands and contracts at a micro-controlled, uniform rate, minimizing joint movement and keeping the long-term architectural layout clean and perfectly straight.

Technical Specification

Certification

How to Install

1. Subframe Spacing (Max 350mm)

Install your joists (wood or aluminum) on a level, draining foundation. Joist spacing must be a maximum of 350mm center-to-center to prevent the deck from sagging.

2. Lock the First Board

Screw Starter Clips into the edge of each joist. Slide the groove of your first WPC board firmly into these clips to lock the outer perimeter without surface screws.

3. Install Center Clips

Slide Hidden Fastening Clips into the inner groove of the board at every joist intersection and screw them down. These clips automatically create the mandatory 5mm side-to-side expansion gap. Slide the next board into place and repeat.

4. Manage End-to-End Joints (Double Joists)

Where two board ends meet:

• Must use Double Joists: Each board end must rest on its own independent joist and clip.

• Leave an Expansion Gap: Leave a 5mm to 8mm end-to-end gap so the boards can expand in summer without buckling.

5. Perimeter Wall Gap & Fascia

• Wall Clearance: Always leave a 10mm gap between the decking and any brick wall or solid structure.

• Finishing: Cover exposed hollow edges by screwing on a WPC Fascia Trim around the perimeter.

Application Gallery

Colors

Our Factory 

FAQ

Q1: Why is a Co-extruded WPC deck more freeze-thaw resistant than a first-generation uncapped deck?

A1: First-generation decks absorb moisture through exposed surface fibers; that water expands when frozen, cracking the board. Our Co-extruded profile features a 100% moisture barrier that keeps water completely out of the interior composite. With zero moisture inside, freeze-thaw cycles have no structural impact. 

Q2: Does high flexural strength mean we can save money by extending the spacing between underneath joists?

A2: While our high flexural strength Co-extruded decking offers industry-leading structural rigidity, we always recommend following standard commercial engineering codes (typically 35cm to 40cm maximum span center-to-center for solid boards). This ensures maximum public safety and protects the project against unforeseen extreme impacts. 

Q3: Can we use chemical melting salts to clear ice from the freeze-thaw resistant deck in winter?

A3: Yes. The polymer outer shield is highly durable and chemically inert. It will not react with calcium chloride, rock salt, or standard winter de-icing chemicals. The salt will not cause surface corrosion, pitting, or whitening, allowing municipal crews to clean the freeze-thaw resistant walking surface safely and rapidly. 

Q4: Will heavy outdoor furniture or public garbage bins cause a solid, high flexural strength board to dent over time?

A4: No. Low-grade hollow or soft plastics can experience a failure called "compressive creep" under constant heavy weights. Our heavy-duty Co-extruded board combines a dense outer shell with a high flexural strength core, distributing downward pressure evenly to ensure the surface remains perfectly flat without permanent dents or dimples.