High-Performance Thermal & Soundproof Insulation Boards | DONGYUAN SEVEN

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Lightweight Insulation Boards for Retrofitting Projects

Upgrade old buildings effortlessly! DONGYUAN SEVEN’s 25mm-50mm foam insulation sheets weigh 70% less than traditional materials.
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High-Performance Insulation & Soundproof Solutions for Lasting Comfort

Premium Thermal Insulation Boards – Cut Energy Costs

Reduce heating/cooling expenses with 1-2 inch foam insulation boards, ISO-certified for durability. Ideal for roofs, walls, and rigid panels to block heat transfer efficiently.

Noise-Reducing Acoustic Panels – Peace Guaranteed

Block 90% of external noise using 25-50mm soundproof insulation boards. Perfect for offices, homes, and studios with CE-certified, easy-install acoustic isolation panels.

Affordable Rigid Foam Boards – Buy Direct & Save

Get budget-friendly rigid foam insulation sheets (2mm to 2-inch thickness) with bulk discounts. Fire-resistant, lightweight, and ideal for DIY or commercial projects.

Durable Roof & Wall Panels – Weatherproof & Eco-Friendly

Protect structures with 50mm insulation sheets for roofs/walls. Waterproof, recyclable, and compliant with ISO14001 standards for sustainable building practices.

Our Products

Budget constraints shouldn’t compromise insulation quality. Our proprietary extrusion process creates rigid foam insulation boards with 30% higher compressive strength (45psi) at 20% lower density than standard XPS. The 25mm insulation board variant costs just $0.72/sq.ft while achieving R-5 performance - ideal for retrofitting existing walls. For cold storage facilities, our 2-inch thick insulation boards with anti-microbial coatings prevent condensation without vapor barriers. Global distributors stock 20+ variants from basic foam insulation sheets to fire-rated A2-s1 solid insulation boards, all CE-marked and shipped in protective pallets.

Top Solutions for High-Performance Insulation & Soundproofing Panels

How to insulate a roof cheaply without sacrificing quality?

Use lightweight 25mm rigid foam insulation sheets. Our CE-approved panels provide high thermal resistance, moisture resistance, and easy installation for long-term savings.
Soundproof acoustic insulation panels (50mm+) with dense foam cores minimize echoes. Sevencladding’s fire-rated boards reduce 30dB+ noise, ideal for walls and ceilings.
Yes! Our 2" rigid foam boards offer high compressive strength (20psi+) and thermal stability (-40°C to 80°C), perfect for harsh climates and exterior cladding systems.
2"-4" rigid foam boards can cut heating/cooling costs by 25%+. Our thermally fused aluminum-clad panels prevent thermal bridging for maximum ROI.

Our Blogs

Won the honor of

14

Feb

Won the honor of "National Quality Leader Enterprise" in China's Metal Composite Materials Industry

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Transform your walls with stylish Aluminum Veneer. Where to start?

05

Apr

Transform your walls with stylish Aluminum Veneer. Where to start?

Explore the numerous benefits of aluminum veneer for modern walls, including durability, aesthetic versatility, and lightweight advantages. Discover innovative design ideas, step-by-step installation techniques, and maintenance tips for long-lasting results in construction projects using metal boards, aluminum claddings, and more.
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Lightweight and versatile, Aluminum Plastic Panel for modern builds.

05

Apr

Lightweight and versatile, Aluminum Plastic Panel for modern builds.

Explore the core construction of aluminum plastic panels, covering composite material compositions, fastener integration, and durability factors. Discover architectural applications and fire safety considerations for aluminum composite boards.
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Homeowners, Stone Plastic Floor: easy to clean and maintain.

05

Apr

Homeowners, Stone Plastic Floor: easy to clean and maintain.

Discover expert tips for maintaining stone plastic floors. Learn about effective daily cleaning routines, optimal tools, stain removal strategies, and seasonal maintenance for lasting durability and shine.
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Premium Insulation Solutions for Energy Efficiency & Noise Control

Emily R.

The 2-inch foam insulation boards transformed our attic storage. Easy to install and noticeably reduced AC costs. Perfect balance between thickness and thermal performance. Highly recommend.

James T.

50mm acoustic insulation panels solved our home office noise issues. Lightweight yet sturdy - blocks street noise without compromising wall space. Smart investment for urban living

Sarah L.

Rigid foam board insulation delivered on its promise! Maintained stable temperatures in our metal workshop year-round. Impressive durability against moisture and temperature shifts.

Olivia W

Soundproof insulation panels made our condo walls breathe better. Reduced echo while keeping neighbor noise out. Appreciate the fire-resistant feature in the rigid foam design

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