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Quality of our T-shirts

Most people make the mistake by compare the quality of T-shirts by the weight of the material. The thickness of T-shirts usually gets measured according to the grams per square metre of the material, which is between 120 grams and 200 grams.

This is only an estimate, but a 145 gram T-shirt is not necessarily a better quality shirt than a 170 gram T-shirt.  T-shirts that gets categorized as a 145 gram per square metre preshrunk  and produced from 100% cotton material with interlock weaving appears neater and will keep its shape better as for example a 180 gram “ carded cotton” T-shirt.

Carded cotton usually is made of lower grade material and mass produced. The colour process of these lower quality shirts also differs and lower quality shirts tend to fade. However these lower quality shirts still remain very popular because of price sensitive clients and a large competitive market.


This is the most common and the oldest process in which T-shirts can be printed.  Positives must be prepared, silk screens must be manufactured and these silk screens then get set up. This is a lengthy and time consuming process and therefore more expensive on lower quantities, but cheaper on high volume printing. The minimum amount of shirts printed with this process is 50, if the print consists of 1 or 2 different colours in the design, 100 shirts if the design consists of 3 or more colours.

A big advantage of screen printing is that the ink penetrates in to the material and thereafter goes thru a heat process. This printing method lasts even longer than what the shirt itself will last.

T-Shirts can be supplied by us or by the customer.
Please note that dark coloured shirts are more expensive to print on than lighter and white shirts.

When requesting a quotation on screen printing we will require the following information from you to quote accurately.

- Whether the artwork will be provided in spot or fading colours.

- The amount of items that will be printed.

- The size of the design.

- Whether the artwork will be supplied in a print ready (editable vector format) to us.

- The amount of colours that the design consists of that will be printed.

If the artwork / layout are not provided to us in a vector (editable) format, our graphic design team can redesign the artwork at R250 to R500 per design. The finished design will then be handed back to you and can be used in the future for all you screen, litho or digital printing needs, even at different printing companies. 


the process

The heat transfer Process starts when you digitally print in full colour on a plastic like material that gets cut out in any shape and placed on a surface where it can be transferred with a heat press. With the heat transfer process, the transfer sheet is pressed with 180°C - 200°C, at a pressure of 1.6 bar against the surface where the transfer is done.

videoflex colours

Advantages of Using the Heat transfer or Videoflex process:

- The turnaround time is a lot faster, compared to other printing methods

- Images prints more cleary than other printing methods

- Any artwork can be used, where with the screen printing method, you are

videoflex heat press process

Videoflex, heat transfer method.

Numbers heat transfered onto shirt

limited to vector format only

- On low quantities, Videoflex is more cost effective than silkscreen printing

Disadvantages of Using the Heat transfer or Videoflex process:

- Not all types of meterial can be used to Videoflex, and in some cases people dislike the plastic like surface of the Videoflex.

- It is adivised not to tumble dry, wash in a washing machine or dry clean Heat transferred products. The best way to wash Heat transferred products is a cold hand wash. The colour also fades after a couple of washes.

- Artwork with outline detail and sharp edges will not be able to be heat transferred, but the artwork can be put in a white block, to be a solid artwork that can be pressed.

We have specials on Heat Transfer or Videoflex and other products from time to time, if you want to recieve notices on new specials, join our mailing list here

We can deliver your Videoflex or Heat Transfer products in Pretoria, Centurion, Midrand, Johannesburg, Fourways, Randburg and surrounding areas for R90 including vat.

Click here to request a quote for t-shirt printing or phone us on 012 346 6119/ 5308/ 5831

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Fax: (012) 346 5272 | Tel: (012) 346 6119 / 5308 / 5831
eMail: info@redblockmedia.co.za


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