Communities in developing countries have limited budgets for education. Even though they may provide a school building, they often don't have money to buy furniture to equip it. However, low-cost, durable, attractive sc More... Free Download
In the aftermath of a natural disaster such as a hurricane or earthquake, victims could get more than temporary help if the structures erected to provide immediate relief could be easily converted into permanent structur More... Free Download
This full-color, soft-cover book brings together a lifetime of sawmill experience and technical training to help readers solve lumber manufacturing problems and save money. It includes chapters on wood quality and charac More...
Storage of wood biomass is not a new concern, but our current focus on using wood for renewable energy has brought it back to researchers' attention. Many barriers stand in the way of the use of wood biomass for energy. More... Free Download
Yellow-poplar (also called tulip poplar or American tulip) has shown a resurgence in popularity in recent years due to its cost and greater abundance. This publication examines the positive and negative attributes of yel More... Free Download
After 30 years of extensive research, Purdue's Forestry and Natural Resources Professor Dan Cassens has released a new CD Lumber from Hardwood Trees. It is a fact-filled resource of field research and information that More...
Gummosis is a defensive response of trees in which resinous gum is exuded and deposited on the bark. This response is widespread among plants and is prevalent in members of the Rosaceae (e.g., Prunus supp.). This group i More... Free Download
This 32-page four-color publication shows the panels of wood that can be found in the Pfendler Hall display. Each panel is a representative portion of what that particular lumber group is like. There are 27 different p More... Free Download
Buying and selling logs and standing trees based on an estimate of the number of board feet they contain is an everyday practice in the lumber industry. However, it can also be a very confusing practice. There are a numb More... Free Download
Assuming you don't want your cabinets, RTA furniture or other products made from plywood to smell like dirty diapers, a quick look at a hardwood plywood manual by Ang Schramm is in order. According to Schramm, South Amer More...
The objectives of this study were to determine types of machines used by the value-added industry sector and to identify commonalties of types of machines used between industry segments. More... Free Download
In 1977, the Wood Research Laboratory, in the Department of Forestry and Natural Resources of Purdue University, was asked by the General Services Administration of the Federal Government to develop performance tests for More... Free Download
This publication explains the effects that the removal of moisture has on wood and outlines proper air drying procedures. A method for drying small quantities of lumber for indoor use is also given. References for more i More... Free Download
This book presents criteria for selection, construction and erection of glued trusses. Designs for 9,004 plywood-gusset wood trusses with 20' to 60' spans 3/12, 4/12, and 5/12 slopes; 2', 4', and 8' spacings; 0, 5, and More...
Most landowners may immediately think of timber when considering income opportunities from their woodland. However, there are many more possibilities. This publication highlights a few of the more popular alternative ent More... Free Download
A publication that provides an overview of the National Hardwood Lumber Association's rules for grading lumber. Information is also given for those who must understand hardwood lumber grading concepts and terms in orde More... Free Download
Plywood and strand board have been used frequently in furniture frame construction for many years. Before such frames can be produced, however, information must be available concerning the strength of joints constructed More... Free Download
This publication outlines the veneer manufacturing process and general markets of veneer. It also discusses the characteristics affecting the quality and value of sliced veneer as well as of standing trees and logs. I More... Free Download
A publication containing information on the defects of surface and end checking. It includes methods to eliminate or control checking, tests to determine its presence, and appropriate NHLA guidelines. The publication a More... Free Download
There are many types of adhesives. This publication aims to provide an insight on some various types of adhesives. Some of the adhesives covered are synthetic resin adhesive, protein based adhesives and thermosetting res More... Free Download
This thirteen-page publication entitled, "Seasoning of Wood" discusses how wood contains excess moisture which must be removed before it can be seasoned. This is one of the most important steps in converting raw wood More... Free Download
This eighteen-page publication entitled, "Wood Moisture Calculations" deals with the cell wall substances contained in wood. Several aspects of wood moisture relationships are covered. Moisture content, density and s More... Free Download
This report will present total tree oven-dry weights for small diameter hard and soft hardwoods. In addition, information is included on top weight data for sawlog size oak in Indiana and regional data for oak and othe More... Free Download