Termite Behavior and Habitat

What is the purpose of the mud tube constructed by subterranean termites?

To provide a route to the wood

Where are non-subterranean termites typically found in the United States?

The southern part of the country

What is a sign that indicates the presence of non-subterranean termites inside wood structural members?

The presence of sawdust-like pellets

When are discarded wings typically found in wood infested with non-subterranean termites?

In late spring or early summer Signup and view all the answers

What is the primary purpose of vegetable glues?

For structural joining and manufacturing of glu-lam and plywood Signup and view all the answers

Why should lumber be inspected for evidence of infestation before it is used in construction?

To ensure it is free of non-subterranean termites Signup and view all the answers

What is the purpose of a physical barrier in termite prevention?

To provide a space between the ground and the wood Signup and view all the answers

What is the main difference between box nails, common nails, and spikes?

Their diameter Signup and view all the answers

What happens when unseasoned wood is nailed and then seasoned?

The nails loosen Signup and view all the answers

What is the primary characteristic of animal glues?

They are made from animal parts Signup and view all the answers

What affects the resistance to withdrawal of a nail?

The nail's diameter and length driven into the wood Signup and view all the answers

Why are nails sometimes coated with cement or rosin?

To make them more resistant to withdrawal Signup and view all the answers

What is the primary purpose of wax in wood finishing?

To protect against minor scratches and moisture Signup and view all the answers

What is the characteristic of a Semi-Transparent Stain?

It alters the color of the wood while allowing the texture and grain to show Signup and view all the answers

What is the main advantage of Glue-Lam construction?

It enables the creation of longer and larger wood members Signup and view all the answers

What is the primary difference between Varnish and Sealer?

Varnish provides a clear coat, while Sealer is a water-repellent substance Signup and view all the answers

What is the typical use of Creosote and creosote–coal tar mixtures?

For exterior wood finishing in more demanding conditions, such as saltwater Signup and view all the answers

What is a common characteristic of Glue-Lam Timbers?

They are made of Douglas fir or southern pine Signup and view all the answers

What is the primary purpose of OSB APA-rated Sturd-I-Floor?

Single-layer floor systems under pad and carpet Signup and view all the answers

What are the criteria for meeting the OSB panel performance standard?

Structural adequacy, dimensional stability, and bond durability Signup and view all the answers

What is a characteristic of Casein Glue?

Dulling tools excessively Signup and view all the answers

What is the primary application of Casein Glue?

Furniture, millwork, and cabinet work Signup and view all the answers

Which type of glue is used when waterproof glues are needed?

Melamine resin Signup and view all the answers

What is a common characteristic of Melamine resin, phenol resin, resorcinol resin, and resorcinol resin–phenol resin combinations?

High strength development Signup and view all the answers

What is the primary concern for shear wall systems in terms of connection to other structural elements?

Positive connection to headers and other structural elements Signup and view all the answers

What is a major advantage of using wood composites for outdoor deck and railing systems?

Resistance to moisture and insects Signup and view all the answers