Step 3 of 3. This installment of 'How To Lay Carpet' is a step by step guide on how to join carpets. Stuart from Bunnings Warehouse demonstrates how to prepare the carpet, how to lay the tape under the join and how to make the final seam. He discusses the materials and tools you need and also highlights the benefits of both the cold tape method and the hot tape method. This easy to follow video will help you lay carpet to a professional standard.