Timber Joints and Rafter Type Roof Structures

Flashcards covering key concepts and details from the

Wind special exposures on pitched roofs can cause changes in and .

Direction and pressure

When snow melts on the roof due to heat loss, it freezes again around the __ where there is no heat loss.

eaves

The roof pitch angle depends on the type and __ of precipitation.

amount

The parts of the roof include eaves, ridge, hip, valley, __, chimney flashing, and dormer window.

fire wall

The two main types of roof form structures include and roof structures.

rafter, purlin

Classification of timber elements by size includes thin products like batten and __.

board

Glued laminated timber (GluLam) is characterized by its use of __ and finger joints for lengthening.

glue

Cross-laminated timber (CLT) typically uses __ as the raw material.

spruce

The main biological deterioration factors for timber include fungal __ and insect damage.

decomposition

When timber is exposed to temperatures above __ °C, ignition occurs.

230

are essential traditional timber joint types that include half lap and tongue and groove.

Basic timber joints

Up-to-date timber joints often use __ steel connectors for durability and strength.

galvanized

Structural connections differ between traditional joints and modern methods such as __ design involving FEM.

calculated

The classification of roof structures includes various forms, such as tie beams supported by __ constructions.

heavyweight

The main types of roof structures are classified by their supports, primarily into and .

rafter type, purlin type