Defects in Timber (or) Timber Defects:

 



Timber is a natural product, and every natural product has some imperfections. Most of the defects in timber cause weakness or other sorts of difficulties. However, some defects can be beneficial for a specific type of work. Twisted wood is good for making a bowl. Timber available in many critical stages like growing without defects, cutting at the right time, seasoning, converting and using. In General, the Defects are Occurring due to the following reasons:

  1. Natural Forces
  2. Fungi
  3. During Seasoning
  4. During Conversion
  5. Insects

Defects in Timber causes due to natural forces:

  1. Wind Cracks, shakes, twisted fibres, upsets, Rind galls, Burls, Water Stain, Chemical stain, Deadwood, knots, 

Defects in Timber occurs due to Fungi: 

  1. Dry rot, Wet rot, White rot, Brown rot, Blue stain, Heart rot, Sap Stain.

Defects in Timber occurs due to seasoning:

  1. Bow, Cup, Check, Split, Twist, Honeyclimbing, Case hardening, Collapse, Wrap, Radial Shakes.

Defects in Timber occurs due to conversion:

  1. Diagonal grain, torn grain, chip mark, wane

Defects in Timber causes due to insects:

  1. Termites, Beetles, Marine borers

 

Comments

Post a Comment

Popular posts from this blog

Different Types of Windows in Buildings | Types of Windows | Metal Windows

Image
There is always more to windows than to improve the usability and efficiency of your home. installing windows is the perfect way to increase your curb appeal. There are many types of windows that you use in the construction of your house. The main purpose of windows is to allow natural light into your rooms during the day and also let in air Types of Windows used in Buildings to keep the room fresh.  Types of Windows Used in Buildings: There are so many types of windows available based on their positions, materials, and functioning. Windows are classified as follows. Fixed Windows Sliding Windows Pivoted Windows Double-hung Windows Louvred Windows Casement Windows Metal Windows Corner Windows Fixed Windows are fixed to the wall without any closing are opening operation. In General, they are provided to transmit the light into the room. The fully glazed shutter attached to the window frame. The shutters provided are generally weatherproof. Sliding Windows: In this case window shutter
Read more

Complete Guide for UPVC Doors and Windows

Image
Windows and entryways make your home stylishly gorgeous. The arrangement of uPVC entryways and windows makes your home significantly more proficient and secure. As these entryways and windows truly do confront downpour, winds and temperatures, you really want to supplant your entryways and windows with cutting edge ones. In this blog, we'll examine a definitive manual for uPVC entryways and windows. What is uPVC? uPVC is Unplasticized Polyvinyl Chloride which is an engineered plastic polymer. The 'uPVC' polymers are sought after and a well known decision with regards to assembling entryways and windows. uPVC is exceptionally tough, top notch and modest in assembling. uPVC likewise accompanies different styles and plans which impeccably suits your home. Entryways and windows made by uPVC are only ideally suited for a home and building. uPVC Entryways and Windows Contingent upon the characteristics of entryways and windows, the added substances that are to be blended in with
Read more

What is Plastering | Types of Plastering and Types of Finishing

Image
Types of Plastering:- There are various kinds of mortars are accessible, for example, Lime Plaster Concrete Plaster Mud Plaster Stucco Plaster Lime Plaster:- The point when lime is utilized as a limiting material is called lime mortar. Lime mortar is a kind of mortar made out of hydrated lime, sand and water. Lime mortar is like lime mortar, the primary contrast depends on the use as opposed to the arrangement. Mortar for lime mortar is typically ready by blending sand and lime to equivalent extents, to further develop the strength little amount of concrete is added to it. Concrete Plaster mortar:- At the point when concrete is utilized as a limiting material, it is called concrete mortar. It is particularly appropriate for moist circumstances. Concrete mortar is typically applied in one coat. The thickness of the coat can be 12 - 15mm or 20mm relying on location conditions and the kind of building. 6mm thickness of putting of 1:3 or 1:4 Proportion is suggested for concrete putting of
Read more