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In our last post, we told you 5 things you need to know about FRP Grating. For those of you that are not familiar with Fibre Reinforced plastic/polymer grating, this article will give you a simplified summary and helpful background on FRP before you dive into reading this post.

For those of you that ARE familiar with FRP, read on and learn more about factors to consider when selecting your grating in addition to how FRP gratings are commonly categorised in the industry.

FACTORS TO CONSIDER WHEN SELECTING YOUR FRP GRATING
Choosing the right grating and correct resin for your application areas depends on two factors:

Environment Factors or Application area

Chemical exposure level

Temperature

Humidity factors

UV exposure

Desired Fire rating

Loading Requirements

Load Rating

Structural Support Span

THE TWO MOST BASIC METHODS OF CATEGORISING FRP
The two most basic methods of categorising FRP (Fibre Reinforced plastic/polymer) gratings are by:

Method of manufacturing/ production

Type of resin (thermosetting) used

There are other sub-categories within this broad classification that are based on application areas. These include:

Type of surface finish

Load rating requirements

Other special requirements such as UV exposure, Fire rating, Colour etc.

1. METHOD OF MANUFACTURING/PRODUCTION
Moulded FRP Gratings
Moulded FRP gratings are manufactured using the following process:

Laying or Weaving glass fibres

This step involves laying continuous glass fibres in the mould in vertical & horizontal directions. These are thoroughly wetted by the chosen resin (layer by layer).

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