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5.13.0 Glulams A glued laminated timber (glulam) is a stress-rated engineered wood product consisting of laminations of wood bonded together with an adhesive. The typical glulam is constructed of individual pieces of lumber generally having a nominal thickness of two inches (5.08 cm) or less. Individual pieces of lumber are end joined together to create long lengths referred to as laminations; the grain of all laminations run parallel with the length of the member. Glulams are available in a variety of stock sizes and can be ordered in custom lengths, widths, and depths. Glulams are available in four appearance groups—framing, industrial, architectural, and premium. 5.13.1 Camber in Glulam Beams
(By permission from APA—The Engineered Wood Association, Tacoma, Washington.)
Plywood, Composite Wood Products, High-Pressure Laminates
5.13.2 Glulam Sizes and Weights
(By permission from APA—The Engineered Wood Association, Tacoma, Washington.)
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5.13.3 Equivalent Douglas Fir Glulam Sections as Substitutes for Sawn Lumber
(By permission from APA—The Engineered Wood Association, Tacoma, Washington.)
5.13.4 Glulam Beam Bearings—End Wall, Masonry Wall
(By permission from APA—The Engineered Wood Association, Tacoma, Washington.)
Plywood, Composite Wood Products, High-Pressure Laminates
5.13.5 Glulam Bearings at End Walls with Steel Tie and Cap Plates
(By permission from APA—The Engineered Wood Association, Tacoma, Washington.)
5.13.6 Continuous Glulam Beam Over Intermediate Steel Column
(By permission from APA—The Engineered Wood Association, Tacoma, Washington.)
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5.13.7 Glulam Beams Butting Over Intermediate Wood Supports
(By permission from APA—The Engineered Wood Association, Tacoma, Washington.)
5.13.8 Beam Size Changes Over Intermediate Supports
(By permission from APA—The Engineered Wood Association, Tacoma, Washington.)
5.13.9 Glulam Continuous Floor Beam Over Intermediate Wood Supports
(By permission from APA—The Engineered Wood Association, Tacoma, Washington.)
Plywood, Composite Wood Products, High-Pressure Laminates
5.13.10 Glulams as Garage Door Headers
(By permission from APA—The Engineered Wood Association, Tacoma, Washington.)
5.13.11 Rafter to Beam Framing
(By permission from APA—The Engineered Wood Association, Tacoma, Washington.)
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5.13.12 I-Joist Series—Size, Depth, Flange Width
(By permission from APA—The Engineered Wood Association, Tacoma, Washington.)
5.13.13 I-Joists Bearing on Floor Beams
(By permission from APA—The Engineered Wood Association, Tacoma, Washington.)
Plywood, Composite Wood Products, High-Pressure Laminates
5.13.14 Beam Support at End Wall with Floor I-Joists
(By permission from APA—The Engineered Wood Association, Tacoma, Washington.)
5.13.15 I-Joists Mounted Flush with Floor Beam
(By permission from APA—The Engineered Wood Association, Tacoma, Washington.)
5.13.16 Lumber Joists Bearing on Floor Beam
(By permission from APA—The Engineered Wood Association, Tacoma, Washington.)
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5.14.0 High-Pressure Laminate (HPL) Q&A
(By permission of Formica Corporation, Cincinnati, Ohio.)
Plywood, Composite Wood Products, High-Pressure Laminates
5.14.0 High-Pressure Laminate (HPL) Q&A—Continued
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5.14.1 HPL Tips for Avoiding Panel Warpage
(By permission of Formica Corporation, Cincinnati, Ohio.)
Plywood, Composite Wood Products, High-Pressure Laminates
5.14.2 HPL Stress Crack Avoidance
(By permission of Formica Corporation, Cincinnati, Ohio.)
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5.14.2 HPL Stress Crack Avoidance—Continued
(By permission of Formica Corporation, Cincinnati, Ohio.)
Plywood, Composite Wood Products, High-Pressure Laminates
5.14.3 HPL Post-Forming Countertops
(By permission of Formica Corporation, Cincinnati, Ohio.)
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5.14.4 HPL Post-Forming Countertops (Manual Techniques)
(By permission of Formica Corporation, Cincinnati, Ohio.)
Plywood, Composite Wood Products, High-Pressure Laminates
5.14.5 Common Post-Forming Problems
(By permission of Formica Corporation, Cincinnati, Ohio.)
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5.14.6 HPL Decorative Laminate Summary Table
(By permission of Formica Corporation, Cincinnati, Ohio.)
5.14.7 How to Laminate a Countertop
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(By permission of Formica Corporation, 10155 Reading Rd., Cincinnati, Ohio.)
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Section 5
5.14.8 How to Install a Countertop
(By permission from Formica Corporation, 10155 Reading Rd., Cincinnati, Ohio.)
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Continued
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5.15.0 Low-Pressure Laminates (LPL) Sometimes referred to as saturated paper laminates, these LPLs can take the form of solid-color decorative papers that have been saturated with either a melamine, a phenolic, or a polyester resin. These low-pressure laminates are wood based and will shrink and expand in the presence of moisture or the lack of moisture. Although the contractor will generally purchase these kinds of panel materials from a manufacturer, it is helpful to have knowledge of the factors involving successful assembly of these products. • During assembly, the press should be loaded and closed as quickly as possible. • Hot boards should be stacked flat and well supported while cooling. Rapid cooling is to be avoided. • The volatile material in the papers should be retained and not dried out. • The press platen temperature and conditions for the proper curing of both sides must be set when using different papers. • When using phenolic papers with elevated temperatures and extended press times, degradation of the substrate must be avoided. Proper cooling of these panels is essential.
Plywood, Composite Wood Products, High-Pressure Laminates
5.16.0 Cabinet Joinery Details
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5.17.0 Wood Trim and Molding Profiles
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