How does an Electric Demolition Hammer Work?

What is a demolition hammer? 

A demolition hammer is a machine that is used to break or fracture hard materials such as masonry, brick walls, concrete, tiled flooring etc. An electric demolition hammer uses power from a wall outlet or from a battery source to generate impact energy. The energy is directed to a chisel which in turn delivers the impact to the material to be demolished.

How does it work?

The basic premise for most роwеr tools is to harness the rotary power generated by a motor for useful applications such as cutting, drilling or as in this case hammering. For the purpose of demolition, a high torque motor is used with a thick and heavy armature winding and a heavily wound stator or field coil. The motor drives a reducing gear mechanism connected to a rotary crank shaft at a 90° angle to its axis. 

A Piston attached to the end of the crank shaft oscillates inside a cylinder. The piston has rubber O-Rings to create an air-tight seal with the cylinder. 

At the other end of the cylinder is a Anvil / impactor that holds the demolition chisel. This anvil is allowed a few millimeters of movement and is lodged inside the cylinder and sealed with rubber O-rings.

Between the piston and anvil is a Ram. The ram is also sealed with rubber O-rings so as to create a pneumatic seal inside the cylinder. The ram is free to oscillate between the piston and the anvil. The seals help create an air cushion between the piston and the ram. This air cushion insulates the piston from any recoil from the ram.

A typical part diagram for a 5kg Demolition Hammer

At the anvil end of the cylinder, air release holes are provided so that the air between the ram and the anvil is expelled when the ram is pushed towards the anvil. The ram thus oscillates along with the movement of the piston and impacts the anvil repeatedly to create a hammering action on the chisel lodged inside the anvil. 

The rotary power of the motor has thus been harnessed for the purpose of demolition. Using this simple mechanism a demolition hammer can execute many different types of jobs such as chipping, grooving, demolition, breaking etc. 

Demolition hammers are typically used to break masonry materials, asphalt etc. each application requiring a different impact energy. Demolition hammers are hence available in 

1. different configurations such as L-shaped, In-Line etc depending on the application. In-Line ones are best suited for breaking the floor, whereas L-shape ones are best suited for wall applications.  
2. different weights - 2Kg, 5Kg, 10Kg, 16Kg, 30Kg etc having different impact energies

At Shree Venkateshwara Traders, we have a range of demolition hammers for wide variety of applications from some of the world's most reputed tool brands. 

We also take great pride and specialize in the repair and service of these machines. We are authorised dealers and service partners for DeWalt, Stanley, Black + Decker & Makita.

Home Painting Equipment 2025

Many decades ago, a brush was the standard application tool in the home painting industry. The 2000's brought about a revolution with paint rollers becoming the preferred choice for applicators. At that time there was a lot of apprehension and hesitation initially regarding the usage of rollers, such as, won't there be a lot of material wastage, how do we maintain the rollers, wont they be very expensive and so on. But as the applicators began to use rollers, they realised that the labour savings, speed of application and quality of finish far outweighed any disadvantages rollers had. With the mass acceptance of rollers, production of rollers ramped up many folds and drove down the prices of rollers sharply. 

At the present time, rollers are not only used to paint walls but also to paint doors, grills, windows etc. The roller is now the universally accepted method of application. 

Just like 20 years ago, there is another paint application revolution quietly brewing. It brings with it not only huge savings in labour but also unmatched finish. It is now the decade of the airless paint sprayers. Just as with rollers, this method of application is a paradigm shift in the home painting industry. 

Asian Paints IN23 Airless Paint Sprayer

The pertinent questions as still the same. What about material wastage? How do we maintain and clean the equipment? Is it worth the investment? Again, the answers are the same. The savings in labour costs are 4X. The finish is such that, once the customer has experienced it, there is no looking back. The customer will now expect such a finish, and every painting contractor will have to match the upgraded customer expectations. There is an advantage to the contractor as well. The painting contractor can achieve the finish of 2 coats of roller finish in a single coat of spray finish, thus halving the labour required. 

The machines themselves have also undergone many iterations in terms of pricing and the product market fit in the context of Indian homes. Machines that ware presented in the market initially had a high cost-barrier, but now machines are very affordable and easy to maintain. Most companies provide on-site service for the machines along with standard warranties.

We are just at the beginning of this revolution and are about to witness yet another advancement in the paint industry. At Shree Venkateshwara Traders, we are at the cutting edge and have a wide range of offerings for you at in the airless paint sprayers segment. Come visit our store today!

We are also present online @ paintnhardware.com

Colours for Indian Homes in 2025

 After all the effort and the grind, it is now finally time to decorate your home and add the finishing touches to it. The home must reflect your personality and ooze your style. Colour is a supremely powerful medium to convey this. Colours influence our lifestyles and our everyday routines. According to psychology, color is a powerful communication tool and can be used to signal action, influence mood, and even influence physiological reactions. Color can also affect our mood, alter our sleep schedule, change the way our food tastes and even influence our memories. 

As an effect, colours are the basis of visual appeal to any home. Colour in combination with other colours emphasize and reinforce a theme. Colour combinations are hence the foundation on which a lifestyle and themes can be built for a home. 

Colours should not only reflect your personality but also be appealing to others. Contemporary taste is influenced by many sources such as social media, mass media, personal experiences from travels and visiting new lands. Home decor and space design are hence heavily inspired and predisposed by international trends and fashions. 

Colour combinations can be categorised into interior and exterior. 

Interior walls can not only be adorned by solid colours, but there is a plethora of texture and patterns at the designer's disposal in the market today. Textures give the walls character and personality that can be both bespoke and a tribute to your personality. Textures as a medium are far more expressive than plain solid colours. A subtle texture on all the walls of a house brings them alive and a bold texture can be used on a feature wall to highlight a specific detail in the home.

Other options for interior walls are wallpapers that range from subtle textures to elaborate patterns. Wallpapers have also come a long way from just floral and damask patterns to exclusive designer motifs. Today, major designers and wallpaper manufacturers invest heavily into creating wallpapers for every season just as the apparel fashion industry does. Every season brings a new flavour and style that is as vibrant as you. 

Exterior walls are an opportunity for the homeowner to showcase himself without even inviting anyone into his home. The exterior walls are a huge canvas, and a little planning can give stunning results. In this space too, we not only have plain colours, but plenty of textures to play with. The choice of paint can be based on many factors such as finish, durability, water proofing and shade availability. 

A wide range of textures are available for exterior walls. From traditional scratch textures to more elaborate shaded textures to stone, concrete and granite finishes, exterior finishes are at the widest range in the history of the paint industry. 

At Shree Venkateshwara Traders, Bangalore, we endeavour to bring you the latest in the world of colours, textures, wallpapers and paints from a bouquet of brands, shade pallets and finishes. We bring you a wide range of paint formulae, and a host of colours & textures from major paint brands in the Indian market such as Asian Paints, MRF Vapocure Paints & ICA italian finishes.

We also have a wide portfolio of wallpapers from Asian Paints Nilaya Wallpapers.   

You can also visit our online store for the latest in the Indian paint market. 

How to Paint Laminates

While it is not recommended to paint on laminates, the following system could work.

Step 1. Sand your laminates with 320 grit water emery paper. Make sure you remove all gloss on the laminate. You can use the following product for sanding : Matador 991A Softflex Waterproof Emery Sheets - Buy Online in India (paintnhardware.com)

Step 2. After sanding and wiping off excess dust, apply MRF Universal Primer Grey on the laminate with the recommended system. Here is the link for universal primer grey : MRF Universal Primer - Buy Online in India (paintnhardware.com)

Step 3. Allow the primer to cure for 6-8 hours. Apply 2 coats Asian Paints Enamel with the recommended system over the primer. 

Link for Glossy Enamel : Asian Paints Apcolite Enamel for Wood and Metal - Buy Online (paintnhardware.com)

Link for Satin Enamel : Asian Paints Apcolite Satin Enamel for Wood and Metal - Buy Online (paintnhardware.com)

Kindly remember that the above is only experimental and it is always better to test a small patch before you begin your project, as every laminate could be different and could react differently to the paint. 

Why use synthetic hair paint brushes ?

Paint brushes can be made from Natural or Synthetic hair. Natural hair comes from animals such as squirrels, sable, hogs etc. Synthetic hair is made from filaments of polymers such as polyester or nylon. Natural hair harvesting leads to animal cruelty and killing of animals such as squirrels. With quality synthetic hair available, there is no reason for use of natural hair. Synthetic hair is more durable, easy to maintain and brushes made from synthetic hair can be manufactured in a variety of shapes and cuts. The synthetic hair can be processed chemically to change its properties such as stiffness, abrosption and finish to make it suitable for a variety of paints like water, acrylic, oil etc.

Some manufacturers produce filaments specifically for making brushes having their own polymer formulae. The company Dupont manufatures bristles under the brands Tynex®, Orel®, Kulex®. These bristles have unique properties that have been built into the filaments such as abrasives to give better grip on the surface being painted, more stiffness where needed and hog hair replacement bristles for ecomonical brushes.These have revolutionized the painting industry where the quality of the paint was ever increasing, but the available brushes were not upto to the mark. But with the advent of synthetic bristles, brushes have also improved by leaps and bounds.

Brushes can now be manufactured keeping the needs of the professional painter in mind. Economical brushes for rough work, finish brushes for top class finishes and many more. Not only paint brushes, but artist brushes and makeup brushes have also benefitted from synthetic bristles. So, be kind to animals and use synthetic hair brushes.

This post is sponsered by Paint n Hardware.com

Why buy Asian Paints Advanced products ?

The Advanced range of paints from Asian Paints is a revolutionary advancement in paints. The advanced range of products add value to the already excellent 

Asian Paints range products.

The advanced products add features such as improved water repellency, washability, opacity and coverage, area coverage to the existing Asian paints products.

Let us look at what value the products bring to your money.

Apex Advanced

Waterproofing is a must for exterior walls and with Asian Paints Apex Advanced Weatherproof Emulsion you can do just that. It is a smooth water-based, modified acrylic, exterior wall finish with silicon additives and improved anti algal properties.

Value addition: Improved water repellency, improved anti-algal formula.

Tractor Emulsion Advanced

Tractor Emulsion Advanced comes with Superior Anti Fungal Shield and gives a smooth finish to the wall. It is a smart choice if you have been previously using distemper.

Value addition: Improved anti-algal formula, Smoother finish.

Apcolite Advanced Hi-gloss Enamel

Keep household stains at bay with Asian Paints Apcolite Advanced Hi-Gloss Enamel. The tough film it forms is highly resistant to household stains. The enamel offers high gloss and non-yellowing protection to the surface which ensures shades stay the same for a longer time.

Value addition: Higher gloss, non-yellowing, tougher film, low dirt pickup

Ace Advanced

Asian Paints Ace Advanced Exterior Emulsion is a water-based exterior wall finish with silicon additives and improved anti algal properties suitable for dry to moderately humid climatic conditions.

Value addition: Water Repellent, Anti-algal formula.

Apcolite Advanced Emulsion

Asian Paints Apcolite Advanced Emulsion is a heavy duty Emulsion that offers a rich matte finish which helps in hiding surface undulations. It ensures lower stain pick up & easy cleanability for different kinds of household stains. Apcolite Advanced Emulsion is designed to protect your walls against unwanted fungus that can cause considerable damage. The film is twice as strong to a regular emulsion which ensures a durable finish. This makes the paint resistance to wear and tear increasing the life of the paint. The tough film keeps your wall beautiful even after cleaning it multiple times.

Value Addition : Advanced stain guard, 2 times film strength, Burnish resistant

For a complete range of the Asian Paints Advanced products, visit our store : 

Shree Venkateshwara Traders

712, Modi Hospital Road, Mahalaxmipuram, Bangalore 560086

Paint tinting using automated machines

We provide paint colour mixing services of the highest quality using the latest in fluid dispensing technology. Automated machines dispense toners and pigments accurately. When coupled with a computer the machine can tint preset formulas stored on the hard drive of the computer or manually dispense customized formulas.

Our machines are capable of dispensing the following preset formulas:

Asian Paints Colour Spectra
Dulux Colour Guide
RAL
NCS
and Pantone


It is our top priority to provide accurate shade matching in any product, be it oil based or water based. With our paint mixing service, the shade you want is the shade you get !!

Drop by our store :

Shree Venkateshwara Traders

712, Modi Hospital Road, Mahalaxmipuram, Bangalore 560086

500m from the Rajajinagar Metro Station.

Click here for the Route from Rajajinagar Metro to Shree Venkateshwara Traders