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Explanation of terminology used in Joinery and Carpentry
We’ve put together a glossary of commonly used Carpentry & Joinery terms. Some of the terms have a couple of different meanings and some you will be familiar with and some maybe not so. Due to the sheer amount of Carpentry and Joinery terms, we will spread it over a couple of posts so we can include as many as possible.We begin with A-B
Woodworking joints can be divided into three main classifications that correspond to their functions. Joints for increasing the width or surface of timber
Joints in length for increasing the lengths of timber,
Joints in width for increasing the width of timber,
Joints in length
This type of joint is used where the required length of timber is unavailable. The four main types are:
Scarf joints, Laminated joints, Heading joint and Handrail bolt.
Joints in width
This type of joint is used to form wider boards for say work/counter tops, cabinet work or shelving or to enable narrow boards to cover larger areas such as flooring or cladding.
This group of joints is a broad one and covers a large variety of joints, such as mitre joint, halving joint, mortice and tenon, dovetailing, housing, bridle, etc.
In part one we shall be looking at angle joints.
The Mitre Joint
This is the most simple of the angled joints and probably the most commonly found joint around your home. The main use of the Mitre joint (Fig. A) is for skirting boards, picture rails and dado rails (external corners), architraves, mouldings and picture framing. Usually, this joint is used to form a 90 degree corner, with the two pieces of timber to be jointed being cut at 45 degrees.
The main aim when jointing any pieces of timber together should be to cut the joints and arrange them so as to weaken the pieces of timber as little as possible. When the connection is effected entirely by means of timbers fitted together, it is called a joint. Most commonly, however, the joint is strengthened and secured by fastenings, such as: wedges, glue, draw pins, pins, screws, nails, etc. In nearly all cases simple joints are more effective than complicated joints.
Woodworking joints can be divided into three main classifications that correspond to their functions:
joints in length for increasing the lengths of timber, joints in width for increasing the width of timber and angle joints.
Like all exterior joinery, our wooden gates and garage doors need protecting from the extremes of the British climate, if they are to last for many years. There are many types of treatments available from paints to stains and oils.
If you decide to oil your wooden gates or doors then be aware that you could end up having to regularly apply additional coats of oil every 2-3 months to keep the timber in tip-top condition.