標準編號:	GB/T 20238-2018
中文名稱:	木質地板鋪裝、驗收和使用規范
英文名稱:	Installation,inspection and usage guidelines for wooden flooring
中標分類:	B70    人造板
行業分類:	GB    國家標準
ICS分類:	79.080 79.080    半成品材 79.080
發布機構:	國家市場監督管理總局、中國國家標準化管理委員會
發布日期:	2018-05-14
實施日期:	2018-12-1
標準狀態:	valid
替代舊標準:	GB/T 20238-2006 木質地板鋪裝、驗收和使用規范
翻譯語言:	英文
文件格式:	PDF
中文字符數:	25000 字
翻譯價格(元):	1750.0
交付時間:	付款后 1 個工作日

Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This standard is developed in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 20238-2006 Installation, inspection and usage guidelines for wooden flooring. In addition to editorial changes, the following technical changes have been made with respect to GB/T 20238-2006: ——Applicable products including reconstitued wood flooring, antique style flooring and solid wood flooring for ground with heating system are added (see 5.1, 6.1, 7.1 and 8.1; Clause 1 of Edition 2006); ——The terms interior wood framing installation, reconstitued wood, reconstitued wood flooring, leveling course, moisture proofing course, heat distribution plates, insulating course, washboard for flooring, sandwich profire, floor radiant heating system, floating screed floor radiant heating or cooling and pre-grooved insulation board floor radiant heating and their definitions are added (see Clause 3); ——The terms interface agent and cementitious self-leveling floor mortar and their definitions are deleted (see 3.13 and 3.14 of Edition 2006); ——Definitions of wood flooring for ground with heating system and interior wood framing are modified (see 3.6 and 3.13; 3.15 and 3.1 of Edition 2006); ——Classification is added (see Clause 4); ——The standard structure is modified, i.e. the clauses/subclauses are arranged from based on flooring categories to on installation, inspection and usage guidelines (see Clause 5 to Clause 7, Clause 9 and Clause 10; Clause 4 to Clause 6 of Edition 2006); ——The general requirements and other requirements of installation guideline are modified (see 5.2.1, 5.2.2, 7.2.2, 8.2.1 and 8.2.2; 4.1.1, 5.1.1, 6.1.1 and 7.1.1 of Edition 2006); ——The contents about preparation before installation are modified (see 5.2.5.1.1; 4.1.4.1 of Edition 2006); ——The contents about installation of interior wood framing are modified (see 5.2.5.2; 4.1.4.2 of Edition 2006); ——The contents of the structural diagram for installation of solid wood flooring, i.e. a moisture resistant foil can be installed on the ground, are modified (see Figure 1; Figure 1 of Edition 2006); ——Requirements for the loss resulted from the installation of cork flooring are modified (see 7.2.4; 6.1.3 of Edition 2006); ——Requirements for the reserved joints in the installation of wooden floor used in radiant floor heating, i.e. the solid wood flooring for ground with heating system shall be 10mm~25mm from the wall, are modified (see 8.2.6.1.4; 7.1.5.1.4 of Edition 2006); ——Requirements for heating system are modified (see 8.2.3; 7.1.2 of Edition 2006); ——Requirements for control of indoor temperature in the usage guideline are modified (see 9.1.3; 4.3.3 of Edition 2006); ——The usage guideline of wooden floor used in radiant floor heating is modified (see 9.2.1; 7.3.1 of Edition 2006). This standard was proposed by the State Forestry Administration of the People's Republic of China. This standard is under the jurisdiction of the National Technical Committee on Wood-based Panels of Standardization Administration of China (SAC/TC 198). The previous edition of the standard replaced by this standard is as follows: ——GB/T 20238-2006. Installation, inspection and usage guidelines for wooden flooring 1 Scope This standard specifies the terms and definitions, classification, installation requirements, completion inspection requirements, usage guideline and quality requirements within the warranty period in the installation, inspection and usage guidelines for wooden flooring. This standard is applicable to the installation, inspection and usage of wooden flooring. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies. GB/T 4897 Particleboard GB/T 5849 Blockboards and battenboards GB/T 9846 Plywood for general use GB/T 15036.1 Solid wood flooring - Part 1: Technical requirements GB/T 15036.2-2009 Solid wood flooring - Part 2: Examination methods GB/T 18102 Laminate flooring GB/T 18103 Engineered wood flooring GB 18580 Indoor decorating and refurbishing materials - Limit of formaldehyde emission of wood-based panels and finishing products GB 18583 Indoor decorating and refurbishing materials - Limit of harmful substances of adhesives GB/T 20240 Bamboo flooring GB/T 24599-2009 Accessories for laying interior wooden flooring GB/T 35913 Technical requirements of solid wood flooring for ground with heating system GB 50209-2010 Code for acceptance of construction quality of building ground JGJ 142-2012 Technical specification for radiant heating and cooling LY/T 1614 Glued timber flooring LY/T 1657 Cork floor LY/T 1700 Wood-based flooring for ground with heating system LY/T 1859 Antique style flooring LY/T 1984-2011 Reconstitued wood flooring LY/T 1987 Wooden washboard 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 15036.1, GB/T 18102, GB/T 18103, GB/T 24599-2009, GB 50209-2010, JGJ 142-2012 and LY/T 1984-2011 as well as the following apply. For the convenience of application, some terms and definitions given in GB/T 24599-2009, GB 50209-2010, JGJ 142-2012 and LY/T 1984-2011 are listed again. 3.1 interior wood framing installation a method for installation of flooring on interior wood framing or on interior wood framing and load distribution panel 3.2 floating installation a method for direct installation of flooring on under-lay 3.3 glue-down installation an installation method of directly gluing the floor block to the ground 3.4 reconstitued wood a square plate made of small-diameter wood, brush wood and other materials through rolling, gluing, forming blanks along lines and pressing [LY/T 1984-2011, definition 3.1] 3.5 reconstitued wood flooring flooring made of reconstitued wood [LY/T 1984-2011, definition 3.2] 3.6 wood flooring for ground with heating system wooden flooring installed on floor radiant heating system 3.7 other component on the ground protruding objects such as cabinets, posts, pipelines and partitions fixed on the ground 3.8 leveling course structural layer that plays the role of leveling, sloping or strengthening on cushion course, floor slab or filler course (light and loose materials) [GB 50209-2010, definition 2.0.8] 3.9 moisture proofing course structural layer that prevents moisture under a building foundation or floor from passing through the ground [JGJ 142-2012, definition 2.0.21] 3.10 heat distribution plates metal plates or foils which are installed under or above the heating parts or both and can uniformly disperse the heat generated by the heating parts, when the pre-grooved insulation board heated ground is adopted [JGJ 142-2012, definition 2.0.11] 3.11 insulating course structural layer (excluding pre-grooved insulation board and the insulation substrate of heating plate) installed separately on site to block the transfer of cold and heat and reduce ineffective cold and heat losses in radiant heating and cooling [JGJ 142-2012, definition 2.0.20] Note: The insulating course includes the insulating course on the radiant surface and that on the side face. 3.12 concealment concealed works during flooring installation Note: The concealment includes concealed works under construction such as pipeline arrangement during flooring installation. 3.13 interior wood framing batten used to support the flooring 3.14 trenail wooden cork used to drive into the concrete hole Note: Trenails are used to facilitate driving in interior wood framing nails. 3.15 load distribution panel panel installed between the flooring and the interior wood framing for ensuring the flatness of flooring installation foundation Note: Load distribution panel is generally wood-based panels such as multiply plywood, blockboard and battenboard or particleboard. 3.16 guiding hole guide hole driven in advance at the position to drive in flooring nail in order to facilitate the nailing of flooring nail to fix the flooring 3.17 moisture resistant foil plastic film with moisture-proof function 3.18 under-lay material flatly installed under the flooring to play a role of buffering, reducing noise and keeping away from moisture 3.19 washboard for flooring strip material used at the joint of indoor wall and flooring [GB/T 24599-2009, definition 3.8] 3.20 sandwich profire material used at the position of transition, closing, fixation, connection and abutment between different or same interfaces (such as flooring and ceramic tile, flooring and flooring) in interior decoration [GB/T 24599-2009, definition 3.9] 3.21 floor radiant heating system a generic term of the insulating course, isolation layer, heating method and filler course installed in the building ground [GB 50209-2010, definition 2.0.15] Note: The floor radiant heating system is installed to realize the effect of floor radiant heating. 3.22 floating screed floor radiant heating or cooling floor radiant heating or cooling form of installing heating components on the insulating course and filling concrete or cement mortar before installation of flooring surface [JGJ 142-2012, definition 2.0.9] Note: Floating screed floor radiant heating or cooling is referred to as floating screed radiant heating or cooling. 3.23 pre-grooved insulation board floor radiant heating floor radiant heating form of installing the heating pipe or heating cable which is matched with and on the same level as the groove of the insulation board in the pre-grooved insulation board, so that the surface course can be directly installed without filling concrete [JGJ 142-2012, definition 2.0.10] 3.24 gap splicing clearance between adjacent floor battens after installation 3.25 high difference height difference between adjacent floor battens after installation 3.26 warp the edge of the flooring is titled upward 4 Classification 4.1 According to the installation method: a) Interior wood framing installation; b) Floating installation; c) Glue-down installation. 4.2 According to whether floor radiant heating is adopted: a) Radiant heating floor; b) Non-radiant heating floor. 5 Requirements for interior wood framing installation and completion inspection of flooring 5.1 Applicable product category The clause is applicable to the installation and completion inspection of solid wood flooring, glued timber flooring, reconstitued wood flooring, bamboo flooring, antique style solid wood flooring and antique style bamboo flooring. 5.2 Installation guideline 5.2.1 General requirements Before installation, the following requirements shall be confirmed: ——Before installation, the installation method, requirements, period and inspection guideline shall be explained to and approved by the user. ——The flooring installation shall be carried out after the completion and inspection of concealment, ceiling work, end surface work and hydropower work. ——The strength and thickness of ground foundation shall comply with GB 50209-2010. ——The floor shall be solid, flat, clean and dry. ——The moisture content of the floor shall not exceed 20%, otherwise the construction of moisture proofing course shall be carried out or dehumidification measures shall be taken to make the moisture content of the floor be acceptable, and then installation can be carried out. The ground adjacent to soil shall be subjected to construction of moisture proofing course. ——The area to be floored shall be effectively isolated from water sources to prevent water sources (such as heating pipes, kitchens, bathrooms, etc.) from leaking into the area. ——The wall shall be perpendicular to the ground. The wall within 200mm from the ground shall be flat and the maximum chord height of the wall shall be less than or equal to 3mm by measuring it with a 2m guiding rule ——Materials that do not conform to GB 18580 and GB 18583 shall not be used. ——For areas with large difference between indoor and outdoor temperature, the wooden flooring shall be installed for 24h at the installation site before being unpacked for installation.

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Classification 5 Requirements for interior wood framing installation and completion inspection of flooring 5.1 Applicable product category 5.2 Installation guideline 5.3 Completion inspection guideline 6 Installation and completion inspection requirements for flooring by floating installation 6.1 Applicable product category 6.2 Installation guideline 6.3 Completion inspection guideline 7 Installation and completion inspection of flooring by glue-down installation 7.1 Applicable product category 7.2 Installation guideline 7.3 Completion inspection guideline 8 Installation and completion inspection of wooden floor used in radiant floor heating 8.1 Applicable product category 8.2 Installation guideline 8.3 Completion inspection guideline 9 Usage guideline for wooden flooring 9.1 General requirements 9.2 Usage guideline for wooden floor used in radiant floor heating 10 Quality requirements for wooden flooring during warranty period 10.1 Warranty period 10.2 Quality requirements for flooring surface course 10.3 Maintenance 10.4 Inspection after maintenance Figure 1 Schematic diagram for the installation structures of solid wood flooring, glued timber flooring, reconstitued wood flooring and bamboo flooring Table 1 Installation quality requirements of the solid wood flooring, glued timber flooring, reconstitued wood flooring and bamboo flooring Table 2 Installation quality requirements of washboard for flooring Table 3 Installation quality requirements of laminate flooring Table 4 Installation quality requirements of engineered wood flooring and engineered cork flooring Table 5 Installation quality requirements of cork flooring Table 6 Requirements for the quality of surface course of solid wood flooring, glued timber flooring, reconstitued wood flooring and bamboo flooring Table 7 Requirements for the quality of surface course of laminate flooring Table 8 Requirements for the quality of surface course of engineered wood flooring and engineered cork flooring Table 9 Requirements for the quality of surface course of cork flooring

木質地板鋪裝、驗收和使用規范 1 范圍 本標準規定了木質地板鋪裝、驗收和使用規范的術語和定義、分類、鋪裝要求、竣工驗收要求、使用規范和保修期內質量要求。 本標準適用于室內用木質地板鋪裝、驗收和使用。 2規范性引用文件 下列文件對于本文件的應用是必不可少的。凡是注日期的引用文件，僅注日期的版本適用于本文件。凡是不注日期的引用文件，其最新版本(包括所有的修改單)適用于本文件。 GB/T 4897刨花板 GB/T 5849 細木工板 GB/T 9846普通膠合板 GB/T 15036.1 實木地板 第1部分：技術要求 GB/T 15036.2—2009實木地板 第2部分；檢驗方法 GB/T 18102 浸漬紙層壓木質地板 GB/T 18103 實木復合地板 GB 18580室內裝飾裝修材料 人造板及其制品甲醛釋放限量 GB 18583室內裝飾裝修材料 膠粘劑中有害物質限量 GB/T 20240 竹地板 GB/T 24599—2009 室內木質地板安裝配套材料 GB/T 35913 地采暖用實木地板技術要求 GB 50209—2010建筑地面工程施工質量驗收規范 JGJ 142—2012輻射供暖供冷技術規程 LY/T 1614實木集成地板 LY/T 1657 軟木類地板 LY/T 1700地采暖用木質地板 LY/T 1859 仿古木質地板 LY/T 1984—2011 重組木地板 LY/T 1987木質踢腳線 3術語和定義 GB/T 15036.1、GB/T 18102、GB/T 18103、GB/T 24599—2009、GB 50209—2010、JGJ 142—2012和LY/T 1984—2011等界定的以及下列術語和定義適用于本文件。為了便于使用，以下重復列出了GB/T 24599—2009、GB 50209—2010、JGJ 142—2012和LY/T 1984—2011中的某些術語和定義。 3.1 木龍骨法 interior wood framinginstallation 將地板鋪設在木龍骨上或木龍骨和毛地板上的鋪裝方法。 3.2 懸浮法floating installation 將地板直接鋪設在地墊上的鋪裝方法。 3.3 直接膠粘法glue-down installation 地板塊用膠黏劑與地面直接粘貼的鋪裝方法。 3.4 重組木 reconstituedwood 以小徑材、枝椏材等材料經碾壓、施膠、順紋組坯、加壓而成的板方材。 [LY/T 1984—2011，定義3.1] 3.5 重組木地板reconstituedwood flooring 用重組木生產加工而成的地板。 [LY/T 1984—2011，定義3.2] 3.6 地采暖用木質地板wood flooring for ground with heating system 鋪設在地面輻射供暖系統上的木質地板。 3.7 地面固定物other component on the ground 固定在地面上的立柜、柱子、管道、隔斷等凸出物體。 3.8 找平層leveling course 在墊層、樓板上或填充層(輕質、松散材料)上起整平、找坡或加強作用的構造層。 [GB 50209—2010，定義2.0.8] 3.9 防潮層 moisture proofing course 防止建筑地基或樓層地面下潮氣透過地面的構造層。 [JGJ 142—2012，定義2.0.21] 3.10 均熱層heat distribution plates 采用預制溝槽保暖板供暖地面時，鋪設在加熱部件之下或之上、或上下均鋪設的可使加熱部件產生的熱量均勻散開的金屬板或金屬箔。 [JGJ 142—2012，定義2.0.11] 3.11 絕熱層 insulating course 輻射供暖供冷中，用于阻擋冷熱量傳遞，減少無效冷熱損失，在現場單獨鋪設的構造層(不包括預制溝槽保暖板和供暖板的保溫基板)。 [JGJ 142—2012，定義2.0.20] 注：絕熱層包括輻射面絕熱層和側面絕熱層。 3.12 地面隱蔽工程concealment 地板鋪裝時遮蓋的工程項目。 注：地面隱蔽工程包括地板鋪裝時遮蓋的管線排布等施工項目。 3.13 木龍骨 interior wood framing 用于支撐地板的木條。 3.14 木栓trenail 用作打入混凝土鉆孔的木塞。 注：使用木栓是為了便于釘木龍骨釘。 3.15 毛地板load distribution panel 確保地板鋪裝基礎平整的板材，鋪設在地板和木龍骨之間的板材。 注：毛地板通常采用多層膠合板、細木工板或刨花板等人造板。 3.16 引眼guiding hole 為便于釘入固定地板的地板釘，預先在釘地板釘處鉆的導孔。 3.17 防潮膜 moisture resistant foil 起防潮作用的塑料薄膜。 3.18 地墊under-lay 平鋪在地板下起緩沖、降噪和防潮作用的材料。 3.19 踢腳線 washboard for flooring 用于室內墻體和地板連接處的條狀材料。 [GB/T 24599—2009，定義3.8] 3.20 扣條 sandwich profire 用于室內裝修中不同界面或相同界面(如地板與瓷磚、地板與地板)之間的過渡、收口、固定、連接、貼靠等處的材料。 [GB/T 24599—2009，定義3.9] 3.21 地面輻射供暖系統floor radiant heating system 在建筑地面中鋪設的絕熱層、隔離層、供熱做法、填充層等的總稱。 [GB 50209—2010，定義2.0.15] 注：地面輻射供暖系統鋪設的目的是為了實現地面輻射供暖的效果。 3.22 混凝土或水泥砂漿填充式地面輻射供暖供冷floating screed floor radiant heating or cooling 加熱部件敷設在絕熱層之上，需填充混凝土或水泥砂漿后再鋪設地面面層的地面輻射供暖供冷形式。 [JGJ 142—2012，定義2.0.9] 注：混凝土或水泥砂漿填充式地面輻射供暖供冷簡稱混凝土填充式地面輻射供暖供冷。 3.23 預制溝槽保溫板地面輻射供暖pre-grooved insulation board floor radiant heating 將加熱管或加熱電纜敷設在預制溝槽保溫板的溝槽中，加熱管或加熱電纜與保溫板溝槽尺寸吻合且上皮持平，不需要填充混凝土即可直接鋪設面層的地面輻射供暖形式。 [JGJ 142—2012，定義2.0.10] 3.24 拼裝離縫gap 鋪裝后相鄰地板條之間的拼接縫隙。 3.25 拼裝高度差high difference 鋪裝后相鄰地板條之間的高度差。 3.26 卷邊warp 地板邊緣向上翹起。 4分類 4.1按鋪裝方式分： a)木龍骨法； b)懸浮法； c)直接膠粘法。 4.2按是否采用地面輻射供暖分： a)輻射供暖地面； b)非輻射供暖地面。 5木龍骨法地板鋪裝、竣工驗收要求 5.1 適用產品類別 本章適用于實木地板、實木集成地板、重組木地板、竹地板、仿古實木地板和仿古竹地板的鋪裝和竣工驗收。 5.2鋪裝規范 5.2.1一般規定 實施鋪裝前，應對下述規定進行確認： ——在鋪裝前，應將鋪裝方法、鋪裝要求、工期、驗收規范等向用戶說明并征得其認可。 ——地板鋪裝應在地面隱蔽工程、吊頂工程、端面工程、水電工程完成并驗收后進行。 ——地面基礎的強度和厚度應符合GB 50209—2010。 ——地面應堅實、平整、潔凈、干燥。 ——地面含水率不得大于20％，否則應進行防潮層施工或采取除濕措施使地面含水率合格后再鋪裝。與土壤相鄰的地面，應進行防潮層施工。 ——擬鋪裝區域應有效隔離水源，防止有水源處(如暖氣管道、廚房、衛生間等)向擬鋪裝區域滲漏。 ——墻面應同地面相互垂直，在距離地面200 mm內墻面應平整，用2 m靠尺檢測墻面平整度，最大弦高宜小于或等于3 mm。 ——不得使用不符合GB 18580和GB 18583的材料。 ——室內外溫差大的區域，木質地板應在鋪裝地點放置24 h后再拆包鋪裝。 5.2.2 其他規定 用2 m靠尺檢測地面平整度，靠尺與地面的最大弦高應小于或等于5 mm。 5.2.3主要材料質量要求 主要材料質最應滿足下述要求： ——實木地板應符合GB/T 15036.1的規定，實木集成地板應符合LY/T 1614、重組木地板應符合LY/T 1984—2011、竹地板應符合GB/T 20240和GB 18580的規定，仿古實木地板和仿古竹地板應符合LY/T 1859的規定。 ——鋪裝用木龍骨、墊木等木材含水率應符合GB/T 15036.1的規定。木龍骨應使用握釘性能良好、具有一定耐腐性能或經防蟲處理的木材。木龍骨厚度≥25 mm，寬度≥35 mm。 ——毛地板可采用膠合板、細木工板和刨花板等人造板材，應符合GB/T 9846、GB/T 5849和GB/T 4897等標準的規定，甲醛釋放量應符合GB 18580中E1級的規定，厚度≥9 mm。 ——鋪裝用膠黏劑應符合GB 18583的規定。 ——踢腳線應符合LY/T 1987的規定。 5.2.4用戶認可 鋪裝單位提供驗貨單，用戶根據以下條款檢驗并簽字確認： ——地板包裝和標識的驗收。地板應包裝完好，包裝內應有產品質量合格證或標識。產品包裝應印有或貼有清晰的中文標識，如生產廠名、廠址、產品名稱、執行標準、規格、木材名稱、等級、數量和批次號等。 ——地板產品的驗收。用戶應核對所購地板種類、規格和數量與合同的一致性。 ——地板和木龍骨含水率的驗證。鋪裝單位和用戶在鋪裝前應對地板和木龍骨的含水率進行驗證，并記錄在驗貨單上。 ——其他主要材料的要求。鋪裝單位應給用戶明示膠黏劑等主要材料的合格證或標識。 ——產品數量核定。通常地板鋪裝損耗量小于鋪裝面積的5％，特殊房間和特殊鋪裝由供需雙方協商確定。 5.2.5鋪裝技術要求 5.2.5.1 鋪裝前準備 5.2.5.1.1 通用事項 實施鋪裝前，應做好下述準備： ——徹底清理地面，確保地面無砂粒、無浮土、無明顯凸出物和施工廢棄物。 ——測量地面的含水率，地面含水率合格后方可施工，不應濕地施工。 ——根據用戶房屋已鋪設的管道、線路布置情況，標明各管道、線路的位置，以便于施工。 ——制定合理的鋪裝方案。若鋪裝環境特殊應及時與用戶協商，并采取合理的解決方案。 ——門的下沿和安裝好的地板(或扣條)間預留不小于3 mm的間隙，確保地板鋪裝后門扇應開閉自如。 5.2.5.1.2龍骨法鋪裝事項 測量并計算所需木龍骨、踢腳線和扣條數量。 5.2.5.2木龍骨安裝 木龍骨安裝時，應符合下述要求： ——根據用戶要求確定地板鋪裝方向后，確定木龍骨的鋪設方向。 ——根據地板的長度模數計算確定木龍骨的間距并劃線標明，不采用毛地板的木龍骨法鋪裝應確保地板端部接縫在木龍骨上，木龍骨間距不超過350 mm。 ——地面可鋪設防潮膜，防潮膜交接處應重疊100 mm以上并用膠帶粘接嚴實，端角處翻起大于或等于50 mm。 ——根據木龍骨的長度，合理布置固定木龍骨的位置；打孔孔距小于或等于300 mm，孔深度小于或等于60 mm，以免擊穿樓板。如使用木栓，木栓應采用握釘力較好的干燥材，直徑大于電錘鉆頭直徑。 ——采用專用木龍骨釘固定木龍骨，龍骨端頭宜預留60 mm～70 mm以避免木龍骨釘劈裂木龍骨。不得用水泥或含水建筑膠固定木龍骨。 ——木龍骨與地面有縫隙時，應用耐腐、硬質材料墊實。如木龍骨不平整，應刨平或墊平。 ——木龍骨安裝時，木龍骨間距允差≤5 mm，平整度小于或等于3 mm/2 m，與墻面間的伸縮縫為8 mm～12 mm。 ——相鄰兩排木龍骨端頭接縫應錯開300 mm以上。 5.2.5.3地板鋪裝 實木地板、實木集成地板、重組木地板和竹地板鋪裝結構見圖1。