The Technique of FURNITURE MAKING

FIBRE BOARDS

Fibre boards have been used extensively in the building industry for many years in various densities, but until recently the only application for furniture-making was the dense hardboard used for back panels and drawer bottoms. More recently, a medium density fibreboard (MDF) has been manufactured for the furniture industry, and it is available in thicknesses from 1/4 in (6 mm) up to 1 in (25 mm), which gives it a versatility in use that previously only plywood enjoyed.

On average it is about half the price of plywood, and although it is more expensive than particle board it is superior in that the edges do not have to be lipped. Industry can simply mould, colour and polish the edges as if they were solid wood. Its application for the craftsman would be similar to that of good quality plywood or chipboard, but it has a great disadvantage in that it will swell up like a sponge if the untreated edges are ever exposed to water. It is extremely stable and ideal for veneering, but its weight can be another disadvantage.

PURCHASING THE APPROPRIATE QUALITY

Like many other products, manufactured boards are available in a wide range of quality. An expensive oil-tempered sheet of hardboard, for example, is quite a different product from a cheap sheet produced with next to no resin, which is virtually only compressed cardboard. It may, however, be quite adequate for laying out surfaces or storage jobs around the workshop.

The same is equally true of particle board and plywood, and the higher the quality the lower the likelihood of the defects referred to below.

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The Technique of FURNITURE MAKING

ESTIMATING THE COST OF MAN-HOURS IN HANDWORK

Where no previous records are available the proprietor must assess his own capabilities and those of his employees. Common joinery items are usually in softwood of fairly large dimensions, with …

Costs of man-hours

The total cost of man-hours at the rates paid, plus overtime rates where applicable, plus health insurance, pensions, paid holidays, etc. have to be considered. Here again these may be …

Appendix: Costing and estimating

Costing is the pricing of completed work taking into account not only all the direct expenses— materials, wages and insurances, fuel and power, machining costs, workshop expenses, etc.—but also a …

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