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Category Archives: Resources

Ranking Roofing Materials

roofing materials

Replacing the roof is one of the largest investments you’ll make in your home so it’s worth some evaluation of the options. You’ll need to decide what is the right budget for you and consider the effect of the climate in your region for each type of building material. Overall, the decision about what type […]

Overview | Common Types Of Roofing Roll Forming Machines – 3 mins read

Types Of Roofing Roll Forming Machines

Go with Cunmac – Today is a great day! We will have some coffee or tea and discuss more on some common types of roofing roll forming machines to choose before making any invesment decision. What is the roll forming machine process? Rollforming a machine is a process of forming a sheet strip of metal pass […]

Trusses | Definitions, applications and types

truss roll forming machine

Trusses A truss is essentially a triangulated system of straight interconnected structural elements. The most common use of trusses is in buildings, where support to roofs, the floors and internal loading such as services and suspended ceilings, are readily provided. The main reasons for using trusses are: Long span Lightweight Reduced deflection (compared to plain […]

Metal profile cladding

standing seam

Introduction Metal profile sheets can be used as a form of external cladding, and are commonly used for agricultural, industrial, retail and leisure buildings. Sheets are manufactured in a range of corrugated and other profiles, such as trapezoidal, sinusoidal or half-round. The profiles are manufactured from sheets fed through banks of forming rollers. Modern manufacturing techniques allow metals to be pre-aged, coated with preservatives, or painted a wide range of hues and texture. Metal profile sheets can be installed vertically, horizontally or […]

What is a purlin? Difference between C purlin and Z purlin

Purlin machine

What is a purlin? A purlin (or historically purline, purloyne, purling, perling) is a longitudinal, horizontal, structural member in a roof. Purlin is a horizontal beam or bar used for structural support in structures, most often below the roof. Purlins are supported either by the building’s rafters or its walls. These are most commonly used […]

[Review] Difference between slitting machine and cut to length machine

Slitting and cutting to length machine,

You usually buy master or parent coild and you’d want to cut down on material costs and inventory. You can accomplish it by purchasing standard-size steel coils and slitting them to the precise dimensions you want by slitting machine or slitting and cutting to length machine. Mini slitting machine The master or parent roll is […]

Curved Metal Roofing | How to make a curved metal roof?

curving machine

Curved metal roofing panels offer an unbelievably unique approach to roofing solutions. Whether for commercial buildings or residential homes, radiused metal roofs create a distinct look. The panel’s flexibility and adaptability allow designers, architects, and homeowners to get creative when it comes to roofing. WHAT IS A CURVED ROOF? Many different techniques and materials have […]

Which kind of ridge capping to choose: Flat ridge or Tile ridge?

ridge cap roll forming machine

What is a ridge cap? Ridge cap is a particular shingle that was created to withstand the severe wind that blows across a roof’s ridge. A ridge cap is not only thicker than a standard shingle, but it is also pre-bent to avoid cracking when folded over the ridge. Ridge cap is made by capping/nok […]

How to Start Corrugated Roof Sheet Business in India

roof manufacturer

The metal roof sheets which are corrugated in waves and folds by rolling mills across their width and length, widely used as a wall or roof of factories, warehouse, cinema, garage, exhibition centres etc, have majorly been in demand because of the ridding contribution of construction sectors and real estate to India’s GDP These corrugated […]

Simple Tips on Caring for Your Standing Seam Metal Roof

Standing seam roofing

What is Standing Seam Metal Roofing? Standing seam metal roofing panels are a product family of metal roofing. In the purest form, they are panels with male and female legs that are engaged and installed with clips to the roofing substructure. As panel options have grown, however, it is common to see clipless panels included […]