Murphy Paneling: How to Install
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Wood Research Manufacture of Medium Density Fiberboard (Mdf) Panels from Agribased Lignocellulosic Biomass
WOOD RESEARCH 62 (4): 2017 615-624 MANUFACTURE OF MEDIUM DENSITY FIBERBOARD (MDF) PANELS FROM AGRIBASED LIGNOCELLULOSIC BIOMASS Mehmet Akgül Necmettin Erbakan University, Seydisehirahmet Cengiz Faculty of Engineering Department of Materials and Metallurgical Engineering Konya, Turkey Birol Uner Suleyman Demirel University, Faculty of Forestry Department of Forest Products Engineering Isparta Turkey Osman Çamlibel Kirikkale University, Kirikkale Vocational School, Department of Materials and Materials Processing Technology Yahsihan/Kirikkale, Turkey Ümit Ayata Atatürk Üniversity, Oltu Vocational School, Department of Forestry and Forest Products Oltu/Erzurum, Turkey (Received January 2016) ABSTRACTS Lignocellulosics fibers and commercially-manufactured-chip (Pinus sylvestris L., Fagus orientalis and Quercus robur L.) with 11% moisture conten twere used for the experiment. The mixingratios of lignocellulosics fibers was 20% which is from okra and tobaccos talks, hazelnut and walnuts hell, and pinecone for each mixture in preformed panel and commercially- manufactured-chip was 100 % for the control sample. A commercial ureaformaldehyde (UF) adhesive was used as a binder. The physical and mechanical properties such as density, thickness swelling (TS), bending strength (BS), modulus elasticity (MOE), internalbond (IB), screw holding ability (SHA) perpendicular to the plane of panel, Janka hardness perpendicular to the plane of panel properties of MDF were measured.The results indicated that all the panels met the general purpose-use requirements of TS-EN. Thus, our results suggest that biomass from different sources can be an alternative raw material for MDF manufacturing process. KEYWORDS: Lignocellulosic biomass, MDF, physical and mechanical properties. 615 WOOD RESEARCH INTRODUCTION The demand in forest products industry is increasing with population and new product development. -
Coco Lumber Sawdust
MushroomPart II. Oyster Growers Mushrooms’ Handbook 1 Chapter 5. Substrate 91 Oyster Mushroom Cultivation Part II. Oyster Mushrooms Chapter 5 Substrate COCO LUMBER SAWDUST J. Christopher D. Custodio Bataan State College, the Philippines Oyster Mushrooms (Pleurotus spp.) are saprophytic as they obtain there nutrients by decomposing various agricultural by-products. This mushroom has been cultivated worldwide because of its taste and low maintenance technology. There are different substrates that have already been identified that can be utilized for the cultivation of oyster mushroom. The possible substrates include rice straw, coffee pulps, sawdust, and even paper. Most of these are types of low-value lignocellulosic wastes that are primarily derived from agricultural practices or the agro-industry. (J.A. Buswell et. al., 1996) The bioconversion of these wastes is one reason why the cultivation of edible mushrooms is an appropriate practice for a society that depends on its agriculture. In the early 1990s, ‘coco lumber’ was given a great attention in the province as a substitute for hardwood. Sawmills producing lumber from coconut trees bloomed in reaction to the increasing demand for this low cost constructional material. Though beginners in mushroom cultivation are usually persuaded not to use sawdust from softwoods, sawdust from coco lumber (Fig. 1) is another possible substrate for P. ostreatus and has shown great results. Growers living near a coco lumber sawmill can make use of this waste product in order to start their own cultivation of oyster mushroom species. Figure 1. Coco lumber sawdust Coco Lumber Sawdust as a Substrate of Oyster Mushroom Oyster mushroom is one example of edible mushrooms that can utilize lignocellulosic materials as a substrate. -
Section 061053 - Miscellaneous Rough Carpentry
SECTION 061053 - MISCELLANEOUS ROUGH CARPENTRY PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section. 1.2 SUMMARY A. This Section includes the following: 1. Wood framing, blocking, and nailers 2. Wood battens, shims, and furring (for wall panel attachment). 3. Plywood sheathing for miscellaneous structures and replacement of deteriorated roof sheathing. B. Related Sections include the following: 1. Section 075216 "SBS Modified Bituminous Membrane Roofing" for adhesively applied 2-ply, SBS bituminous membrane roofing, with self-adhered base ply sheet. 2. Section 076200 "Sheet Metal Flashing and Trim" for installing sheet metal flashing and trim integral with roofing. 1.3 DEFINITIONS A. Dimension Lumber: Lumber of 2-inches nominal or greater but less than 5-inches nominal in least dimension. B. Lumber grading agencies, and the abbreviations used to reference them, include the following: 1. NLGA: National Lumber Grades Authority. 2. WCLIB: West Coast Lumber Inspection Bureau. 3. WWPA: Western Wood Products Association. 1.4 QUALITY ASSURANCE A. Testing Agency Qualifications: For testing agency providing classification marking for fire- retardant treated material, an inspection agency acceptable to authorities having jurisdiction that periodically performs inspections to verify that the material bearing the classification marking is representative of the material tested. PRSD – Thompson Elementary School Roof Replacement 061053 – MISCELLANEOUS ROUGH CARPENTRY July, 2012 Page 1 of 7 B. Forest Certification: For the following wood products, provide materials produced from wood obtained from forests certified by an FSC-accredited certification body to comply with FSC 1.2, "Principles and Criteria": 1. -
Glulam Sizes and Shapes Can Help Desigggners Meet Their Most Demanding Architectural and Structural Requirements Using Numerous Innovative Design Examples
WoodWorks Webinar “The Wood Products Council” is a Registered Provider with The Decem ber 11, 2013 AmericanInstituteofArchitectsContinuingEducationSystems(AIA/CES). Credit(s) earned on completion of this program will be reported to Glued Laminated Timber – An AIA/CES for AIA members. Certificates of Completion for both AIA Innovative and Versatile members and non-AIA members are available upon request. This p rog ra m is r egiste r ed wi th AIA/CES foocotr continu in gpoessoag professional Engineered Wood Composite education. As such, it does not include content that may be deemed or construed to be an approval or endorsement by the AIA of any Product material of construction or any method or manner of handling, using, distributing, or dealing in any material or product. Tom Williamson, P.E. Timber Engineering LLC QQp,,uestions related to specific materials, methods, and services will FASCE, FSEI be addressed at the conclusion of this presentation. Retired Vice President, APA FEtiVPAITCFormer Executive VP, AITC Learning Objectives 1. To illustrate how the flexibility of glulam sizes and shapes can help desigggners meet their most demanding architectural and structural requirements using numerous innovative design examples. Copyright Materials 2. To familiarize designers with how to properly select and specify glulam incorporating relevant industry standards and codes. This presentation is protected by US and 3. To provide design professionals with an overview of key design International Copyright laws. Reproduction, considerations that must be considered to ensure both the structural distribution, display and use of the presentation performance and long-term durability of glulam structures. without written permission of the speaker is 4. -
Environmental Considerations of Treated Wood National Park Service – Pacific West Region
Environmental Considerations of Treated Wood National Park Service – Pacific West Region Overview In support of the mission of the National Park Service, making wise decisions about using wood treatments will help protect the natural areas and biodiversity of our parks, and the health of our employees. Preservative-treated wood’s most important benefit is its resistance to water, fungal, and insect damage. Extending the life of wood products reduces the demands on forests for replacement lumber and reduces maintenance and replacement costs. Historic wooden structures that must be repaired with compatible materials or replaced with in-kind materials make durability even more important. Treated woods are nearly impervious to rot and insects, making them good for outdoor use. Wood treated with chromated copper arsenate (CCA) poses certain environmental and health risks, including the leaching of chemicals such as arsenic and chromium into the environment and workers’ risk of exposure to hazardous chemicals. Disposal of treated wood also proves to be an issue, particularly disposal by incineration. Due to these concerns, manufacturers of treated wood and the EPA reached an agreement to end the sale of CCA-treated wood for most lumber products, effective January 1, 2004. The following offers less-toxic alternatives to CCA, handling and use precautions, and other recommendations when considering using treated wood. Due to the toxicity and potential effects on health and the environment, the Presidio Trust implemented a policy on the use of pressure treated lumber. Standard operating procedure now prohibits the use of CCA, ACZA, CZC, ACC, and Pentachlorophenol. All dimensional lumber is now treated with ACQ as an alternative. -
UFGS 06 10 00 Rough Carpentry
************************************************************************** USACE / NAVFAC / AFCEC / NASA UFGS-06 10 00 (August 2016) Change 2 - 11/18 ------------------------------------ Preparing Activity: NAVFAC Superseding UFGS-06 10 00 (February 2012) UNIFIED FACILITIES GUIDE SPECIFICATIONS References are in agreement with UMRL dated July 2021 ************************************************************************** SECTION TABLE OF CONTENTS DIVISION 06 - WOOD, PLASTICS, AND COMPOSITES SECTION 06 10 00 ROUGH CARPENTRY 08/16, CHG 2: 11/18 PART 1 GENERAL 1.1 REFERENCES 1.2 SUBMITTALS 1.3 DELIVERY AND STORAGE 1.4 GRADING AND MARKING 1.4.1 Lumber 1.4.2 Structural Glued Laminated Timber 1.4.3 Plywood 1.4.4 Structural-Use and OSB Panels 1.4.5 Preservative-Treated Lumber and Plywood 1.4.6 Fire-Retardant Treated Lumber 1.4.7 Hardboard, Gypsum Board, and Fiberboard 1.4.8 Plastic Lumber 1.5 SIZES AND SURFACING 1.6 MOISTURE CONTENT 1.7 PRESERVATIVE TREATMENT 1.7.1 Existing Structures 1.7.2 New Construction 1.8 FIRE-RETARDANT TREATMENT 1.9 QUALITY ASSURANCE 1.9.1 Drawing Requirements 1.9.2 Data Required 1.9.3 Humidity Requirements 1.9.4 Plastic Lumber Performance 1.10 ENVIRONMENTAL REQUIREMENTS 1.11 CERTIFICATIONS 1.11.1 Certified Wood Grades 1.11.2 Certified Sustainably Harvested Wood 1.11.3 Indoor Air Quality Certifications 1.11.3.1 Adhesives and Sealants 1.11.3.2 Composite Wood, Wood Structural Panel and Agrifiber Products SECTION 06 10 00 Page 1 PART 2 PRODUCTS 2.1 MATERIALS 2.1.1 Virgin Lumber 2.1.2 Salvaged Lumber 2.1.3 Recovered Lumber -
TECO Design and Application Guide Is Divided Into Four Sections
Structural Design and Plywood Application Guide INTRODUCTION Plywood as we know it has been produced since early in the 20th century. It has been in widespread use as sheathing in residential and commercial construction for well over 50 years and has developed a reputation as a premium panel product for both commodity and specialty applications. Structural plywood products give architects, engineers, designers, and builders a broad array of choices for use as subfloors, combination floors (i.e. subfloor and underlayment), wall and roof sheathing. Besides the very important function of supporting, resisting and transferring loads to the main force resisting elements of the building, plywood panels provide an excellent base for many types of finished flooring and provide a flat, solid base upon which the exterior wall cladding and roofing can be applied. This TECO Design and Application Guide is divided into four sections. Section 1 identifies some of the basics in selecting, handling, and storing plywood. Section 2 provides specific details regarding the application of plywood in single or multilayer floor systems, while Section 3 provides similar information for plywood used as wall and roof sheathing. Section 4 provides information on various performance issues concerning plywood. The information provided in this guide is based on standard industry practice. Users of structural-use panels should always consult the local building code and information provided by the panel manufacturer for more specific requirements and recommendations. -
Wood from Midwestern Trees Purdue EXTENSION
PURDUE EXTENSION FNR-270 Daniel L. Cassens Professor, Wood Products Eva Haviarova Assistant Professor, Wood Science Sally Weeks Dendrology Laboratory Manager Department of Forestry and Natural Resources Purdue University Indiana and the Midwestern land, but the remaining areas soon states are home to a diverse array reforested themselves with young of tree species. In total there are stands of trees, many of which have approximately 100 native tree been harvested and replaced by yet species and 150 shrub species. another generation of trees. This Indiana is a long state, and because continuous process testifies to the of that, species composition changes renewability of the wood resource significantly from north to south. and the ecosystem associated with it. A number of species such as bald Today, the wood manufacturing cypress (Taxodium distichum), cherry sector ranks first among all bark, and overcup oak (Quercus agricultural commodities in terms pagoda and Q. lyrata) respectively are of economic impact. Indiana forests native only to the Ohio Valley region provide jobs to nearly 50,000 and areas further south; whereas, individuals and add about $2.75 northern Indiana has several species billion dollars to the state’s economy. such as tamarack (Larix laricina), There are not as many lumber quaking aspen (Populus tremuloides), categories as there are species of and jack pine (Pinus banksiana) that trees. Once trees from the same are more commonly associated with genus, or taxon, such as ash, white the upper Great Lake states. oak, or red oak are processed into In urban environments, native lumber, there is no way to separate species provide shade and diversity the woods of individual species. -
Grades and Specifications Contents Introduction
APA The Engineered Wood Association PRODUCT GUIDE GRADES AND SPECIFICATIONS CONTENTS INTRODUCTION Introduction ................................................................................................. 3 This guide to APA – The Engineered Wood Key Definitions ............................................................................................. 4 Association panel grades and specifications is APA Trademark........................................................................................ 4 meant to serve as a useful reference source for Product Standard PS 1-83 ........................................................................ 4 APA Performance Standards ..................................................................... 5 structural wood panel users, specifiers, Grade ...................................................................................................... 5 Exposure Durability ................................................................................. 5 dealers and distributors. It contains key Species Group Number............................................................................ 7 information about the many structural wood Span Ratings ............................................................................................ 7 panel grades produced by APA member mills, APA Performance Rated Panels...................................................................... 9 including APA Performance Rated Panels, APA Rated Siding......................................................................................... -
Lumber and Related Products; a Base Syllabus on Wood Technology. Eastern Kentucky Univ., Richmond
4-f,r ' DOCUMENT RESUME ED 031 558 VT 007 859 Lumber and Related Products; A Base Syllabus on Wood Technology. Eastern Kentucky Univ., Richmond. Pub Date Aug 68 Note-108p.; From NDEA Inst. on Wood Technology (Eastern Kentucky UM, June 10-Aug. 2, 1968). EDRS Price MF-$0.50 HC-$5.50 Descriptors-*Building Materials, Curriculum Development, *Curriculum Guides, *Industrial Arts, Instructional Improvement, Lumber Industry, *Resource Materials, Summer Institutes, Teacher Developed Materials, Teacher Education, *Woodworking Identifiers-*National Defense Education Act Title XI Institute, NDEA Title XI Institute Prepared by participants in the 1%8 National Defense Education Act Institute on Wood Technology, this syllabus is one of a seriesof basic outlines designed to aid college level industrial arts instructors in improving and broadening the scope and .content of their programs. The primary objective of this course outhne is to point out the importance and the many uses of wood and wood products. Topics covered are: (1 )Lumber Grades and Sizes,(2)Plywood,(3)Veneer,(4)Fiberboard,(5) Particleboard,(6)Sheetboard,(7)InsulationBoard,(8)StructuralSandwich Construction,(9)Shingles,(10)Pulp and Paper,(11) Wood Flour,and (12) Cellulose-DerivedProducts.Mostunitscontain 'informationonmanufacturing processes, properties,types and grades, and uses of the products. Selected bibliographies are listed for each unit. The final section provides instructional aids, suggested projects and student activities, and materials and equipment needed for specific prolects. The document is &strafed with drawings, charts, and photographs. Related documents are available as VT 007 857, VT 007 858, and VT 007 861: (AW) ft; LUMBER BAS YLLABUS ON WOOD CHNOLOGY .:'Pre,pare4 by INSTITUTE. -
Architectural Woodwork Standards, 2Nd Edition
Architectural Woodwork Standards WALL/CEILING SURFACING & PARTITIONS 8S E C T I O N SECTION 8 Wall/Ceiling Surfacing and Partitions table of contents INTRODUCTORY INFORMATION COMPLIANCE REQUIREMENTS Guide Specifications ...........................................................................194 GENERAL Introduction .........................................................................................195 Basic Considerations ....................................................................212 Wall and Ceiling Surfacing ..................................................................195 Grades .....................................................................................212 Opaque .........................................................................................195 Economy ...........................................................................212 Transparent ..................................................................................195 Custom ..............................................................................212 Contract Documents ...........................................................................195 Premium ............................................................................212 Product Advisory .................................................................................195 Grade Limitations ..............................................................212 Panel Sequence ..................................................................................196 Contract Documents -
Wood-Based Composite Materials Panel Products, Glued-Laminated Timber, Structural Composite Lumber, and Wood–Nonwood Composite Materials Nicole M
CHAPTER 11 Wood-Based Composite Materials Panel Products, Glued-Laminated Timber, Structural Composite Lumber, and Wood–Nonwood Composite Materials Nicole M. Stark, Research Chemical Engineer Zhiyong Cai, Supervisory Research Materials Engineer Charles Carll, Research Forest Products Technologist The term composite is being used in this chapter to describe Contents any wood material adhesively bonded together. Wood-based Scope 11–2 composites encompass a range of products, from fiberboard Conventional Wood-Based Composite Panels 11–2 to laminated beams. Wood-based composites are used for a number of nonstructural and structural applications in prod- Elements 11–2 uct lines ranging from panels for interior covering purposes Adhesives 11–3 to panels for exterior uses and in furniture and support struc- Additives 11–5 tures in buildings (Fig. 11–1). Maloney (1986) proposed Plywood 11–5 a classification system to logically categorize the array of wood-based composites. The classification in Table 11-1 Oriented Strandboard 11–7 reflects the latest product developments. Particleboard 11–10 The basic element for wood-based composites is the fiber, Fiberboard 11–12 with larger particles composed of many fibers. Elements Speciality Composite Materials 11–15 used in the production of wood-based composites can be Performance and Standards 11–15 made in a variety of sizes and shapes. Typical elements in- Glulam Timber 11–17 clude fibers, particles, flakes, veneers, laminates, or lumber. Figure 11–2 shows the variation and relative size of wood Advantages 11–17 elements. Element size and geometry largely dictate the Types of Glulam Combinations 11–17 product manufactured and product performance.