Anti termite- wood preservative


Presentation Description

what is wood. why to protect. how to protects. methods and types of wood preservation


By: dattashri (103 month(s) ago)

good presentation

By: Luman.pathan (114 month(s) ago)


Presentation Transcript

Wood Preservation : 



GOOD FOR WOOD 2 INTRODUCTION WOOD IS PRECIOUS. SAVE IT Composition of wood Properties Of wood Enemies of wood Environment and insects Why preservation of wood Types of wood preservation Types of wood preservatives Features of wood preservative Major manufacturers

Save wood- save earth : 

GOOD FOR WOOD 3 Wood can’t be manufactured synthetically Wood is rare and precious Wood is eco friendly Save wood- save earth

Composition of wood : 

GOOD FOR WOOD 4 Composition of wood Wood is composed of minute, hollow fibers Some wood is composed of short, hollow brick shaped cells Zone of lighter wood is called sapwood Zone of darker wood is called heartwood Through the fibers the tree transports water and nutrients vertically within the tree Wood is composed of a complex mixture of substances but the main constituent of all wood is a complex sugar called cellulose

Properties of wood : 

GOOD FOR WOOD 5 Properties of wood Wood may be destroyed and damaged by fungi, insects and marine borers Under proper use conditions, wood can give centuries of good service Under unfavorable conditions wood can be crushed in powder Wood is affected by environment factors such as temperature,moisture,winds,salty air, water etc Wood can be cut,mould,bend,chip,stick etc

Wood enemies : 

GOOD FOR WOOD 6 Wood enemies Water,moisture,wind,salts,chemicals Wood- inhabiting fungi- feed on living or dead wood and produce spores (microscopic seeds) Spores can infect moist wood Fungi need favorable temperature and moisture content Types of fungi- wood decay fungi sap staining fungi decay fungi grows in interiors of wood Fungi break down the cellulose component of wood

Wood enemies- contd. : 

GOOD FOR WOOD 7 Wood enemies- contd. Wood decay fungi types Brown rots White rots Soft rots Effects of fungi Excessive wood shrinkage Cross grain cracking Powder Chemical stains – chemical changes in wood during processing or seasoning of wood

Wood enemies contd.- : 

GOOD FOR WOOD 8 Wood enemies contd.- Insects Termites, carpenter ants and beetles Beetles Powder post beetles Anobiid beetles Bostrichid borers Carpenter ants Round headed and flat headed beetles Marine borers

Why wood preservation : 

GOOD FOR WOOD 9 Why wood preservation To overcome environmental effects and insect control To increase life span of wood To preserve and protect wood To maintain natural resources of wood

Types of wood preservation : 

GOOD FOR WOOD 10 Types of wood preservation Moisture control and temperature control- Basic preservation Drying - kiln drying and air drying Chemical control vacuum pressure treatment Mixing with glue Dipping Spray application Brush application impregnation

Types of wood preservative : 

GOOD FOR WOOD 11 Types of wood preservative Solvent borne Creosote base Copper base- cuNAP,ACQ,HDO,AZOLE,ACC,CNSL WATER BORNE Copper chrome arsenic Copper chrome boron Acid cupric chrome Zinc base Oxine copper Copper naphthenate Silicates Glycol base

Characteristics of wood preservative : 

GOOD FOR WOOD 12 Characteristics of wood preservative Effectiveness Toxicity Broad spectrum Eco friendly Marine pollutant Aquatic poisonous Fixation capacity Penetration capacity Leaching in soil and water Retention capacity Distribution in the wood Availability Economical

Wood Preservative Associations and Institutes : 

GOOD FOR WOOD 13 Wood Preservative Associations and Institutes American wood preserver’s association AWPA Wood protection association European wood preservative manufacturer's association Wood preservative science council WPSC Institute of wood sciences and technology,Bangloe Leonard wood Institute, USA Wood Institute of California Forest Research Institute, Dehradun South African wood preserver’s association

Major manufacturers : 

GOOD FOR WOOD 14 Major manufacturers Merichem Ltd.USA Valhalla Wood Preservatives Ltd. USA Wolman,USA Solignum, UK TWP, USA Otter Ind. Malaysia Rockwood, Germany Dattashri Enterprises, India Lada organics, India Pidilite Industries, India Ascu hickson, India

Termites and borers : 

GOOD FOR WOOD 15 Termites and borers

Carpenter ants : 

GOOD FOR WOOD 16 Carpenter ants

Beetles : 

GOOD FOR WOOD 17 Beetles

Fungi Decay : 

GOOD FOR WOOD 18 Fungi Decay

Dry Rot Fungi : 

GOOD FOR WOOD 19 Dry Rot Fungi

Brown rot fungi : 

GOOD FOR WOOD 20 Brown rot fungi

Blue stain fungi : 

GOOD FOR WOOD 21 Blue stain fungi

Wood preservation plant : 

GOOD FOR WOOD 22 Wood preservation plant

Thank you : 

GOOD FOR WOOD 23 Thank you

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