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Channel-Tufted Four-Seat Flush-Floor Upholstered Sofa Specifications

SOF-4SEAT-CHANNEL-NAVY

Code:3V76B6V1
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2026-09-08 13:28Popularity: 5
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SOF-4SEAT-CHANNEL-NAVY

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PRODUCT MODULE 01 / 06

Physical Dimensions

Automatic mm / inch conversion · Core engineering specifications

Overall dimensions3300 x 1100 x 800 mm
Per-seat width660 mm
Seat height from floor470 mm
Seat depth (usable surface)660 mm
Arm height from floor660 mm
Arm width (outer to seat edge)220 mm
Backrest height above seat330 mm
Seat cushion thickness (compressed)180 mm
Back cushion thickness (compressed)150 mm
Base clearance under sofa0 mm
Armrest padding thickness120 mm
Seat Cushion Thickness180 mm
Back Cushion Thickness160 mm
Leg Height / Floor Clearance160 mm
PRODUCT MODULE 02 / 06

Weight, Load & Performance

Net weight / load capacity / users / durability

Per-seat static load capacity150 kg
Product net weight160 kg
Leather upholstery abrasion resistance20000 Martindale cycles
Upholstery lightfastness rating4 (8scale)
Recommended maximum occupancy4 adults
Seat foam density45 kg/m³
Back foam density35 kg/m³
Foam rebound rate60%
Seat Foam Density / Rebound40 kg/m³ / 60%
Upholstery Abrasion ReferenceFabric 60000 cycles; leather-class cover 1.4 mm
PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

Upholstery surface1.4 mm thick full-grain semi-aniline leather
Internal frameKiln-dried solid hardwood with corner blocking
Seat support system50 mm wide Pirelli elastic webbing
Seat cushion coreHigh-resiliency polyurethane foam wrapped in polyester fiber
Back cushion coreHigh-resiliency polyurethane foam with soft fiber fill
Armrest internal structurePlywood support wrapped in matching foam padding
Base panel12 mm thick plywood base frame covered in matching upholstery
Stitching detailsMatching color bonded polyester thread with 30 mm seam pitch
Timber Frame Section / MoisturePrimary section ≥30 × 50 mm; recommended moisture 12%
Spring / Webbing SpecificationSinuous spring wire 4 mm; elastic webbing 70 mm wide
Leg Connector SpecificationReference M8-M10 with at least 1 mechanical fixing per leg
Reference Upholstery Color CountRecommended 8fabric/leather color options
PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Seating configurationFixed 4-position linear layout with vertical channel tufting
Cushion designFixed attached seat and back cushions, no removable cushions
Base designZero-clearance floor-sitting base with no exposed legs or feet
Armrest functionIntegrated full-height padded armrests on both ends, no adjustable arm features
Recline functionNo reclining, tilting, or adjustable back mechanisms
Modular connectionIntegrated single-unit construction, no detachable sectional modules
Surface treatmentSmooth matte leather finish with subtle natural grain texture
Maintenance accessHidden zipper access on rear panel for padding adjustment
Cushion Service ConfigurationRecommended 2removable/replaceable cushion methods
PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Shipping carton dimensions2900 x 1200 x 900 mm
Gross shipping weight180 kg
Reference Package Count1 set / 2 cartons
Reference Assembly Time40 minutes per set
Reference Module Carton Dimensions2200× 1050× 850 mm
Reference Packaging Volume1.8 m³/item
Reference Packaged Gross Weight110 kg/item
PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

Residential living room applicationSuitable for open-plan modern living rooms, low-profile lounge layout for 4 users
Hospitality lounge applicationSuitable for hotel lobbies, club lounges, and high-end reception areas
Studio/loft applicationIdeal for open studio apartments and loft spaces, flush base creates clean visual line
Configuration pairing recommendationPair with low-profile round coffee tables and area rugs for cohesive contemporary styling
Space size requirementRecommended for rooms with minimum 4000 mm clear wall length
User group suitabilitySuitable for adult household and commercial users, firm supportive padding for extended sitting
STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

Domestic furniture seating strength standardEN 12520:2015 Domestic furniture strength, durability and safety for seating
Leather upholstery specificationEN 13336:2013 Leather for furniture upholstery requirements
Formaldehyde emission for wood panelsEN 312:2010 Particleboard specifications
STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

Upholstered furniture safety standardGB/T 3324General technical requirements for wooden furniture
Leather upholstery standardGB/T 16799Furniture leather
Formaldehyde emission limitGB 18584Indoor decoration material formaldehyde limit for wooden furniture
Soft furniture flame retardancyGB 20286Flame retardant public place furniture requirements
Standardized tender description text
This product must meet the following technical requirements:
1. Upholstered furniture safety standard: GB/T 3324General technical requirements for wooden furniture;
2. Leather upholstery standard: GB/T 16799Furniture leather;
3. Formaldehyde emission limit: GB 18584Indoor decoration material formaldehyde limit for wooden furniture;
4. Soft furniture flame retardancy: GB 20286Flame retardant public place furniture requirements;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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Product Description

The Channel-Tufted Four-Seat Flush-Floor Upholstered Sofa features a sleek linear silhouette defined by a zero-clearance, fully upholstered base that sits flush to the floor with no exposed legs, creating a seamless, low-profile visual line. Vertical channel tufting runs across the backrest, complemented by smooth matte full-grain semi-aniline leather upholstery with a subtle natural grain texture, for a refined contemporary aesthetic. Integrated full-height padded armrests cap both ends of the fixed four-position layout, and matching-color bonded polyester stitching with a consistent seam pitch lends a polished, tailored finish. Built for long-term durability, the sofa’s internal structure uses a kiln-dried solid hardwood frame with corner blocking, cut to primary sections of 30 by 50 mm with a recommended 12% moisture content to resist warping. A 12 mm thick plywood base panel, wrapped in matching upholstery, supports a 50 mm wide Pirelli elastic webbing seat suspension system. Seat cushions contain a 45 kg/m³ high-resiliency polyurethane foam core wrapped in polyester fiber, topped with 180 mm of compressed padding, while back cushions use 35 kg/m³ high-resiliency foam with soft fiber fill; all cushions are permanently attached with no removable components. Armrests are built with plywood supports wrapped in matching foam. The 1.4 mm thick leather upholstery delivers 20000 Martindale cycles of abrasion resistance and a lightfastness rating of 4 on an 8-point scale, with a per-seat static load capacity of 150 kg to support up to 4 adults. Designed for stable, supportive seating without recline, tilt, or adjustable mechanisms, the sofa offers a 470 mm seat height, 660 mm usable seat depth, and 660 mm per-seat width, suited for extended sitting sessions. It works equally well in open-plan modern residential living rooms, studio and loft spaces, hotel lobbies, club lounges, and high-end reception areas, pairing cohesively with low-profile round coffee tables and area rugs. Rooms require a minimum 4000 mm clear wall length for proper placement. For procurement, note the unbranded model ships in 2 cartons with a gross shipping weight of 180 kg, and requires 40 minutes of assembly per set; plan for appropriate delivery access and on-site installation support for commercial or multi-unit orders.

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