Spruce has square-shaped needles that are shorter and much sharper compared with needles of pine. Pine produces rigid cones made of tough and woody scales. Spruce produces flexible cones made of papery and thin scales. Both types of cones are arranged upside-down on the branches.
They fall to the ground in a single piece when they reach maturity. Spruce tree is covered with rough, scaly bark which becomes deeply furrowed when tree reach maturity. Pine tree is covered with smooth bark when the tree is young, but its bark becomes reddish-brown and starts to flake after several years.
Pine and spruce have soft timber. Pine lumber is cheaper and more available than spruce lumber. In general, it has a medium weight and is usually soft. Pine has good durability, but it cannot handle moisture well. Because of its flexibility, the construction industry uses pine extensively.
Interior decorators use pine for paneling. In spruce wood, neither the sapwood nor the heartwood is resistant to decay. However, in pinewood, the heartwood is quite resistant to rot but not its sapwood. The sapwood and heartwood of both spruce and pinewood are not of high contrast in seasoned timber. However, the difference in color between the early and late wood is slightly more pronounced in pine when compared to spruce.
Spruce is a light-colored wood that has a little variation between sapwood, heartwood. The knots and rings are also light and do not stand out. Spruce is white to yellow and sometimes has pink shades. Spruce wood has a straight-grained look with a smooth and silky texture. While the grain pattern is subtle, spruce may contain visible small knots. On the other hand, pine may have large knots but with less consistency than spruce.
Spruce gives a dull glow with its creamy white color and its fine consistent grain lines. Pine is reddish-brown to amber to look at can alternate with either white or yellow shades. It can sometimes have a bold grain pattern or can display streaks of brown. Pine is also a light-colored wood, but its growth rings and knots. Because of this, the growth rings and knots stand out and are aesthetically pleasing.
This look makes it ideal for making furniture. But pine can easily dent, making some woodworkers consider it to be a lower quality wood. Both pine and spruce are difficult to stain because of their small pores. Spruce trees, also called red spruce, grow in mountainous regions of Europe.
Woodworkers use this for making container boxes. However, as most drying of SYP is for 2-inch thick construction grade lumber, it may be difficult to find someone that has the experience and time to dry the wood to 9 to 10 percent final moisture content, using equalizing to achieve the required moisture uniformity and conditioning treatments to remove drying stress. In many cases, quality for lumber intended for remanufacturing is better if you dry it yourself, using hardwood drying procedures and schedules designed for furniture-grade pine and similar products.
Brown stain, common in most pine species, can occur during drying if logs are old, temperatures are high over F , or humidities are high over 75 percent RH initially. Anti-brown stain schedules are available. The resin or sap in the lumber must be "set" in the kiln to avoid subsequent bleeding of the resin. This is done by using F or higher temperatures at the end of drying. Gluing and Machining. Southern pine glues okay, but the dark colored part of each annual ring is hard to glue with many standard "furniture-type" adhesives; good results have been reported with some PUR adhesives.
More expensive adhesives, such as phenol-formaldehyde, also work well. Best gluing is achieved if the lumber has not been dried at temperatures over F. As always, with a dense species, gluing surfaces must be flat and true. Machining is very difficult because the dark-colored portion of each ring is very hard, while the lighter-color portion is very soft. Knives must be very sharp and feed rates modest.
The timber experiences a bit of pressure as it sinks a couple of centimetres below the surface of the liquid. This colours the timber with a very cheap colourant and as it leaves the factory it looks good.
However, it offers far less protection than proper pressure treated bearers. A dipped piece of timber may be expected to last a year before it needs to be re-treated. A pressure treated piece of timber can be expected to last 10 years without any need to retreat it. Our garden buildings are of high quality and long lasting. Offering you a place to create fond memories with your family, friends.
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