“Carcassing is usually for load-bearing applications, such as the carcass or skeleton of a house. Many years ago it was primarily a rough-sawn product, but it’s now produced with varying degrees of surface finishing.

Is carcassing timber planed?

This timber is used in load bearing projects and internal building work including mid-level flooring joists and partitioning. Is graded to C16 strength for structural use. Planed to regular widths for accuracy. Slow grown for higher strength and durability.

Can you use carcassing timber for decking?

Our C16 range of carcassing timber for decking comes in a variety of lengths and thicknesses. Buy C16 or C24 Carcassing Timber for your roof joists or roof trusses project, and for partition walls. It’s treated with Tanalith E, taking it to Use Class 3 which means it’s perfect to use out of the ground.

What does CLS mean in timber?

CLS Timber – “Canadian Lumber Size” or CLS is finished on all sides giving a smaller cross-section than traditional sawn timber. Originating in the Canadian market, hence the name it is mainly used for timber frame home construction and for internal and partition walls.

What is the difference between CLS and PSE timber?

PAR has mostly been supplanted by PSE today. Hand held planes produce PAR. Planed Square Edge. … CLS is planed smooth, has radiused (rounded) corners, and is free of large knots at the edge of the wood.

What’s the best timber for outside?

What are the best types of timber for garden furniture?

• Teak. Everybody knows about teak, possibly the ideal wood for outdoor furniture. …
• European Oak. There’s a reason why oak is a perennially-popular choice for the woodworkers, particularly those involved in outdoor projects. …
• Western Red Cedar / Siberian Larch. …
• Iroko.

Can I use C16 timber for floor joists?

There are 12 strength grades as set by the British Standard in the BS 5268, but the most commonly specified are C16 and C24. Both grades are used in structural applications and are suited to different loads. They can be used for rafters, floor joists, studwork for partition walls, formwork, shuttering etc…

How can you tell if wood is treated UK?

Firstly, the wood should be clearly marked as treated with a stamp. This is sometimes cut off when timber is cut down to size though. Secondly, treated wood that’s relatively fresh should have a green tinge to it. This green colour fades over time down to a honey gold, and then a silver grey.

How can you tell if wood is treated?

How can you tell if wood is treated? Pressure-treated lumber has end tags or stamps identifying the chemical used. It can have a green or brown color from the treating process. Treated wood can smell oily or chemical as opposed to a nice natural smell of untreated wood.

What is the difference between C16 and CLS?

CLS timber comes in two grades – C24 and C16. Both of these woods typically resemble each other in appearance, but the C24 grade is stronger. C16 graded CLS timber is better suited to indoor construction such as creating partitioning and internal walls.

What is Carcassing Wood used for?

The phrase carcassing is normally used to refer to timbers processed for use in structural applications, for example roof battens, floor joists and studwork for partitioned walls. Sydenhams have available a wide range of sizes and lengths of timber that can be strength graded and treated to your requirements.

What do you use carcassing timber for?

Carcassing timber is kiln-dried treated structural graded softwood that is most commonly used where a grading stamp is required. Predominantly used in the construction of floor joists, roof joists and timber framing, it can also be used in many other applications both internally and externally.

Is a sawn timber?

Answer: Sawn timber is timber that is cut from logs into different shapes and sizes. Sawn timber is generally cut into varying rectangular widths and lengths, but may also be wedge shaped. Common sawn timber products include solid timber beams and more rectangular timber sections.

What wood is used for floor joists?

Wood Species

The common types of wood used to make floor joists are redwood, hemlock, Douglas fir, and southern yellow pine. However, not every type of wood product is available across the country. It’s important to understand the strength differences between wood types when choosing joist material.

What size timber should I use for floor joists?

Solid strutting should be at least 38 mm thick timber extending to at least three quarters the joist depth e.g. 200 x 50mm joists would need at least 150 x 38mm timber used as strutting.

What type of wood is C24 timber?

C16 and C24 represent two distinctly different types of softwood timber, basically pine. The reason there is a difference relates to how quickly the pine trees the timber came from grew. C16 timber comes from fast-growing trees. It consequently tends to have more knots in it than slower-grown timber.

What is the most rot resistant wood?

Cedar, redwood, cypress and other naturally rot-resistant woods are often hailed as the premier choice when building outside structures like decks, arbors or saunas.

…

Naturally Rot-Resistant Species:

• Redwood.
• American mahogany.
• Cypress.
• Western red cedar.
• Pacific yew.
• Teak.
• Black walnut.
• White oak.

Which wood can be used outside?

The three most widely available and suitable exterior lumber choices, not treated with chemical preservatives, include Western red cedar, redwood, and cypress. Your geographic location will determine the availability and cost of these materials.

How do you make wood waterproof?

There are three surefire ways to waterproof your wood for years to come.

1. Use linseed or Tung oil to create a beautiful and protective hand-rubbed finish.
2. Seal the wood with coating of polyurethane, varnish, or lacquer.
3. Finish and waterproof wood simultaneously with a stain-sealant combo.

Is CLS timber strong?

Strong, durable and well-shaped for a variety of uses, CLS timber has become a popular choice for many internal structuring jobs.

What do they call a 2×4 in England?

If you buy 4 x 2 PAR (Planed All Round), its the same stuff which has been put through a planer to smooth it off, generally its then about 3 3/4 x 1 3/4. The general term in the UK for wooden partitions is studwork, don’t ask me why, I just know it is.

What is the difference between par and PSE timber?

PSE is a term used to indicate that the timber has a ‘planed square edge‘ . This means that one edge will be planed smooth. PAR is a term used to indicate that the timber is planed all round , meaning that both the edges and sides have been planed.

Treated carcassing is sawn timber, ready to be used for structural work. Treated for protection against insects and decay, our C16 treated timber is perfect for use inside and outside of the home.

Is carcassing timber smooth?

About Our Treated Timber & Carcassing

Our range of treated carcassing is straight, smooth and consistently sized construction timber. It has eased edges for faster handling on site.

What is carcassing?

“Carcassing is usually for load-bearing applications, such as the carcass or skeleton of a house. Many years ago it was primarily a rough-sawn product, but it’s now produced with varying degrees of surface finishing.

How can you tell if wood is treated?

How can you tell if wood is treated? Pressure-treated lumber has end tags or stamps identifying the chemical used. It can have a green or brown color from the treating process. Treated wood can smell oily or chemical as opposed to a nice natural smell of untreated wood.

Is treated timber waterproof?

However, even pressure treated wood may need protection as it is not waterproof; a weather-proofing top coat or base layer preservative is recommended every 12 months to fully protect timber through the winter months. However, it may not be best to treat pressure-treated timber straight away, as this needs to weather.

Can I use rough sawn timber outside?

Like untreated studwork, this works well in stud wall partitioning and general construction. But you can use it outdoors as well as inside your home. It’s also pressure-treated to protect against fungal and insect attack.

Is carcassing timber structural?

Carcassing timber is kiln-dried treated structural graded softwood that is most commonly used where a grading stamp is required. Predominantly used in the construction of floor joists, roof joists and timber framing, it can also be used in many other applications both internally and externally.

Can I use carcassing timber outside?

The timber can also be used in applications where extra protection and lifespan is required. These applications include outdoor or garden projects such as repairing a shed and trellis work.

What does CLS mean in timber?

CLS Timber – “Canadian Lumber Size” or CLS is finished on all sides giving a smaller cross-section than traditional sawn timber. Originating in the Canadian market, hence the name it is mainly used for timber frame home construction and for internal and partition walls.

What’s the difference between C16 and C24 timber?

C24 timber is the superior cousin of C16. This grade is also kiln dried and used in construction products. It is more superior in terms of its properties such as strength, resilience and appearance with very few defects if any. C24 timber costs slightly more than C16.

Can I use C16 timber for floor joists?

There are 12 strength grades as set by the British Standard in the BS 5268, but the most commonly specified are C16 and C24. Both grades are used in structural applications and are suited to different loads. They can be used for rafters, floor joists, studwork for partition walls, formwork, shuttering etc…

Do I need treated timber for Studwork?

Studwork – This timber is perfect for stud wall partitions and in all general construction. … Treated sawn kiln dried timber – Again this is just like the untreated version but can also be used outdoors for project such as boxing in, sheds, framing and battening.

What treated timber?

Treated timber is pressure impregnated to guard against environmental conditions.

What is the best timber to use outdoors?

What are the best types of timber for garden furniture?

• Teak. Everybody knows about teak, possibly the ideal wood for outdoor furniture. …
• European Oak. There’s a reason why oak is a perennially-popular choice for the woodworkers, particularly those involved in outdoor projects. …
• Western Red Cedar / Siberian Larch. …
• Iroko.

What is the difference between sawn timber and planed timber?

Due to the simplicity of preparation, rough sawn timber is always cheaper than planed. As a result, it is the best choice for jobs where the finish of the wood is not important. Rough sawn timber is usually used for pieces such as internal frames where it will be concealed by a neat outer layer.

How do you protect sawn timber?

However, sawn or untreated timber will need an application of preservative before being left outside. Stains, varnish and paints are a great way to protect your wood and with a range of colours available, you can either choose to enhance the natural colour of the wood, or opt for a splash of colour.

Will pressure treated wood rot?

Pressure-Treated Wood Makes the Grade

Pressure-treated wood in contact with the ground needs the most protection, and will rot in just a few years if you use the wrong grade. If you’re planning a DIY project, make sure to tell your lumber dealer the end use, so you’ll get the right grade.

How long does treated timber last outside?

In general, we say that the inside of the wood should be protected for about 60 years, and the outside for about 30 years. This is without any extra treatment, staining, or painting on your behalf.

Can I leave pressure treated wood outside?

Most of the time pt lumber out of the sun is fine for any amount of time. It might be good to sticker it up as long as your storing it.

Can C24 timber get wet?

Treated timber is suitable to be used externally and is suitable for wet areas or areas where the timber will be coming into contact with the ground.

How strong is timber?

Compressive strength: 500 kg/cm2 to 700 kg/cm2 load is enough to test timbers strength. Tensile strength: When timber is enough strong to the tensile force. If perpendicular force is made then timber is weaker. 500-2000 kg/cm2 is the range of tensile strength load.

What type of wood is C24 timber?

C16 and C24 represent two distinctly different types of softwood timber, basically pine. The reason there is a difference relates to how quickly the pine trees the timber came from grew. C16 timber comes from fast-growing trees. It consequently tends to have more knots in it than slower-grown timber.