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Celery Top Pine | Phyllocladus asplenifolius

Celery Top Pine is an attractive, durable and easily worked softwood, pale when cut and then darker with age, used in boat building, joinery and turnery, and interiors.

Other Names: Tasmanian Celery Top, Phyllocladus rhomboidalis

Overview

Celery Top Pine is a strong, durable and attractive softwood that grows in Tasmania, and is available there and in Victoria. It is a rare wood and available only from specialist timber retailers.

The heartwood of Celery Top Pine is pale yellow to pale brown, which darkens to gold as the heartwood ages. The sapwood is narrow and not readily distinguishable. The texture is fine and even and the grain is usually straight, and the growth rings are conspicuous and very close together.  In timber from smaller trees there are a large number of knots. The heartwood is durable below and above ground, though it is susceptible to the lyctid borer and is not termite resistant.

The strength, durability and ease of working of Celery Top Pine have made it popular in the making of vats (specially for acid storage), garden furniture, joinery, kitchen utensils, turnery, carving, and in boat building.

 

Additional Information

Articles

Recycling and wood waste

Properties

Shrinkage

Very Low Low Medium High Very High
Tangential:          
3.1
Radial: 0 - 2
Unit Movement: 0.19 %

Strength Group

Very High High Reasonably High Medium High Medium Reasonably Low Low Very Low
Unseasoned:S1S2S3S4S5S6S7
Seasoned:SD1SD2SD3SD4SD5SD6SD7SD8

Stress Grade

Structural
No. 1		 Structural
No. 2		 Structural
No. 3		 Structural
No. 4		 Structural
No. 5
Unseasoned: F14 F11 F8 F7 F5
Seasoned: F17 F14 F11 F8 F7

Density per Standard

Unseasoned: 1050 kg/m3
Seasoned: 645 kg/m3

Joint Group

Very High High Reasonably High Medium Low Very Low
Unseasoned:J1J2J3J4J5J6
Seasoned:JD1JD2JD3JD4JD5JD6

Colour

  White, yellow, pale straw to light brown Pink to pink brown Light to dark red Brown, chocolate, mottled or streaky
   

Mechanical Properties

Modulus of Rupture - Unseasoned: 69
Modulus of Rupture - Seasoned: 98
Modulus of Elasticity - Unseasoned: 9.4
Modulus of Elasticity - Seasoned: 12
Maximum Crushing Strength - Unseasoned: 36
Maximum Crushing Strength - Seasoned: 56
Impact - Unseasoned: 7.6
Impact - Seasoned: 6.5
Hardness - Unseasoned: 3.9
Hardness - Seasoned: 4.5

Durability

Low Moderate Reasonably High High
(0 - 5 yrs) (5 - 15 yrs) (15 - 25 yrs) (more than 25 yrs)
In-Ground:
(0 - 7 yrs) (7 - 15 yrs) (15 - 40 yrs) (More than 40 yrs)
Above ground:
(0 - 20 yrs, usually < 5) (21 - 40 yrs) (41 - 64 yrs) (More than 60 yrs)
Marine Borer Resistance:
Lyctid Borer Susceptibility: Not Susceptible
Lyctid Borer Susceptibility - Other: Like all softwoods, Celery Top Pine is not susceptible to lyctid borer.
Termite Resistance: Resistant

Fire Properties

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
EFH Ignitibility:
0 1 2 3 4 5 6 7 8 9 10
EFH Spread-of-Flame Index:
EFH Smoke-Developed Index:
Critical Radiance Flux - Lower: >2.2 and <4.5 kW/m2
Critical Radiance Flux - Higher: >2.2 and <4.5 kW/m2
Smoke Development Rate: <750
1 - non-combustible 2 - reasonably non-combustible 3 - slightly combustible 4 - combustible
Fire Properties Group
Number:
Group Number - Other: 3 if used on MDF or particleboard ≥12mm; veneer thickness 0.6-0.85mm
Average Specific Extinction Area: <250
Bushfire Resistance: Not Tested

Description

Botanical Name: Phyllocladus asplenifolius
Preferred Common Name: Celery Top Pine
Other Names: Tasmanian Celery Top, Phyllocladus rhomboidalis
Species Type: Softwood

Appearance

Celery Top Pine’s sapwood is narrow and not readily distinguishable. The heartwood is pale yellow to pale brown, which darkens to gold as the heartwood ages. In timber from smaller trees there is a large number of knots. The texture is fine and even and the grain is usually straight, and the growth rings are conspicuous and very close together. 

Common Applications

Celery Top Pine’s strength, durability and ease of working have historically made it popular for boat building, cladding and paneling benchtops, flooring, decking, joinery, furniture, beams and poles. It is also used for vats, with its toughness making it useful for the storage of acids.

Common Form

Sawn

Workability

Celery Top Pine is easily worked. It drills cleanly to size, bends and turns well planes well with the grain, and accepts varnishes, paints and stains without difficulty. It may need predrilling as it can be hard to nail when seasoned.

Origin of Timber

TAS

Availability - Further Information

Celery Top Pine is rare and only available from specialty timber dealers in Tasmania and to a lesser extent in Victoria.

Source of Timber

Native Forest

Applications

  • Decking

    Timber decking creates spaces that are functional, practical and aesthetically pleasing. With the right design and care a timber deck will make a valuable addition to any home or business, creating an outdoor living space that will be enjoyed for years to come.

  • External Cladding

    The natural appeal, versatility and strength of timber makes it the superior choice for external cladding. Through specification, planning, design and finishing processes, timber cladding not only creates a building of superior strength, acoustic and thermal performance but also creates a place of beauty, style and natural appeal.

  • Flooring

    Whether for structural or finished flooring applications, timber offers durability, versatility and adaptability. The warmth, strength and natural beauty of timber flooring has proved enduringly popular in a wide variety of interior settings.

  • Internal Paneling

    Timber paneling creates interiors as warm as they are stylish. Commonly utilising an MDF or plywood substrate, internal timber paneling is natural and versatile and comes as either solid natural timber panels or as sheets of engineered wood products

  • Pergolas

    A timber pergola is a practical, functional and attractive way to extend living and entertainment spaces into the outdoors.

  • Retaining Walls (Landscaping)

    When it comes to retaining wall, landscape design and construction, timber is the natural choice. A material that is durable, sturdy and reliable, it boasts natural aesthetics that help it blend seamlessly with the outdoors. Careful consideration during the specification and design process will facilitate the creation of a long lasting, durable and eye catching timber retaining wall that will complement its surrounding landscape for years to come.

  • Structural Timber Poles

    Timber poles are utilised in structural construction to provide support for gravity loads and resistance against lateral forces. Not only serving a structural function, timber poles provide many aesthetic benefits, with their use in construction often complementing architectural designs aimed at harmonisation with the natural environment.

  • Timber Joinery Products

    Timber joinery products offer a classic, unique and stylish touch to any interior design.

  • Timber Mouldings

    Mouldings are extremely versatile and durable, enhancing the aesthetics of any interior and functioning as the icing on the cake for designs with a focus on beauty and splendour.

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